A student wants to determine whether or not the flower is pollinated by an animal, such as an insect or bird. Which property of the flower would be most useful for making this inference?
To infer if a flower is pollinated by animals, examine characteristics like brightly colored petals, presence of nectar, specific scents, and shapes tailored for animal feeding traits; ultraviolet patterns for bees and tubular shapes for birds are indicative.
Explanation:To determine whether a flower is pollinated by an animal, such as an insect or bird, the most useful property to examine would be the flower's physical characteristics that are adapted to attract these pollinators. Brightly colored petals, the presence of nectar, particular scents, and specific shapes that cater to the pollinators' feeding mechanisms are key features. For example, flowers pollinated by bees may have ultraviolet reflectance patterns and are brightly colored in shades that bees can see, such as blue and yellow. Bird-pollinated flowers may exhibit large, bright red petals and have a long tube-like shape to accommodate the birds' feeding habits.
To infer if a flower is animal-pollinated, look for bright colors, sweet nectar, and a strong scent, which are adaptations to attract insects or birds for cross-pollination.
To determine whether a flower is pollinated by an animal such as an insect or bird, one should observe the flower's physical characteristics that are adapted to attract pollinators. The most useful property of the flower for making this inference would be the presence of bright colors, sweet nectar, and sometimes a strong scent. These features are developed by flowering plants to signal and provide rewards to potential animal pollinators, thus facilitating the process of cross-pollination which increases genetic diversity. For example, flowers that are tailored to be pollinated by bees might be brightly colored (excluding red which bees can't see) and have a tubular shape, while those pollinated by birds might be large and red with a long funnel shape.
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What type of rock is likely to form where continental plates collide?
A. Extrusive
B. Igneous
C. Metamorphic
D. Sedimentary
Answer:
Metamorphic (c)
Explanation: I actually took this test and got it all right the answer is NOT igneous.
Does anyone know the answers to this packet {step-scopes}??
which part do u need?
Which planet does NOT have a moon orbiting it? A) earth B) jupiter C) mercury D) saturn
C. Mercury is the answer. Mercury and Venus are the only two planets in our solar system that don't have moons
Answer:
The Correct Answer is C.
"Mercury"
Explanation:
Mercury does not have any moon even Mercury also does not have any ring. Mercury is the modest planet in our solar system. It is slightly larger than our Earth's moon. It also the closest planet to the sun. Mercury has barely any atmosphere of its own so Mercury easily can be hit by an asteroid or meteoroid. No moons are orbiting Mercury and Mercury has no ring either.
a(n)------ kills insects. The suffix -cide comes from the latin word caedere, which means "to strike, kill"
helllllllllo what exactly are u looking for
The correct answer to the question is a. insecticide.
The suffix -cide in the word insecticide comes from the Latin word caedere, which means to strike, kill.
The word insecticide is composed of insect, referring to the target organisms, and -cide, indicating that it is a substance that kills insects. Therefore, an insecticide is a chemical agent used to kill insects. The other options provided do not fit the definition given in the question, as they pertain to different contexts or do not correctly combine with the suffix -cide to indicate the killing of insects.
Summarize where carbon is found on Earth and how much of it is in the human body
Carbon is the basic building block to most cells in the body.
It helps with cellular respiration where your body releases energy stored in glucose and the glucose compound is full of carbon, hydrogen, and oxygen.
Carbon makes up 18% of the human body.
Sugars in the body like glucose hold carbon elements.
Final answer:
Carbon on Earth is predominantly found in its crust and mantle, oceans as bicarbonate ions, and in living and dead organic matter, through the Carbon Cycle. In the human body, carbon makes up about 20% by weight, central to macromolecules and life processes, even though it is relatively rare on Earth.
Explanation:
Where Carbon Is Found on Earth
Carbon is a fundamental element that circulates through the land, ocean, and atmosphere, which is collectively known as the Carbon Cycle. On Earth, most carbon is stored in the crust and mantle, with a significant amount also found in the oceans as bicarbonate ions. Through the process of photosynthesis, plants and algae play a crucial role in converting atmospheric carbon dioxide into organic matter. Aside from its role in living organisms, carbon is also found in carbonate rocks, coal, petroleum, natural gas, and dead organic matter.
Carbon in the Human Body
Carbon is one of the most abundant elements in the human body, making up approximately 20% by weight. It is crucial for the structure of macromolecules and plays an essential role in life processes. Despite being relatively rare on Earth's surface, the human body is efficient at concentrating carbon through the consumption of food, where it assimilates carbon and other elements necessary for survival.
please help me!
1. what is the function of platelets in blood?
A. carrying oxygen
B. clot blood
C. makes antibodies
D. dissolves components of blood
2. who realized that fingerprints were unique to individuals?
A. Juan Vucetich
B. William Herschel
C. Johann Mayer
D. Jan Purkyne
1. Platelets are tiny blood cells that help your body form clots to stop bleeding. So B. Clot blood is the answer
help please stuck on number
4 down
16 down
3 across
4 down is a mutation
16 down is Proteomics
3 across is amino acid (no space)
the answer would be 4 down
Which of these is a reason why understanding animal behavior is important? It enables you to predict responses. It allows you to be exempt from danger. It ensures that you follow humane laws. It makes animals more prepared to obey you.
It enables you to predict responses, I think.
Understanding animal behavior aids in predicting their responses, safeguards humans from potential threats, aids in abiding by animal rights laws, and helps domesticate animals. Historically, this understanding facilitated better hunting strategies and ensured the humane treatment of animals. The ability to recognize innate (genetic) and learned (environmental) behaviors allows us to understand how animal respond to stimuli.
Explanation:Understanding animal behavior is crucial for several reasons. Primarily, it ensures a harmonious coexistence between humans and animals. For instance, if we understand their behavior, we can predict their responses, potentially exempt us from danger, aid in following humane laws, and foster obedience in domestic animals.
Historically, humans have created deep bonds with animals, like dogs, out of necessity for survival. This relationship required the understanding of their behaviors and migratory patterns. Therefore, the understanding forged better hunting strategies, avoidance of potential threats, and ensured humane treatment.
Our ability to differentiate between innate (genetically driven, independent of environmental influences) and learned behaviors (result of environmental conditioning) is critical. Grasping these behaviors allows us to comprehend the actions of animals in response to certain stimuli. For example, knowing that touching a hot stove would result in pain, is an instance of learned behavior in humans. The same behaviors are observable in animals too.
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Explain how a forensic biologist would analyze a tiny sample of DNA found at a crime scene.
Forensic biologists analyze tiny DNA samples using PCR and STR loci analysis, comparing it with criminal DNA databases.
Forensic biologists analyze tiny samples of DNA found at crime scenes through a process involving DNA isolation, sequencing, and analysis. They primarily use polymerase chain reaction (PCR) amplification of short tandem repeat (STR) loci and electrophoresis to determine the length of the PCR-amplified fragment.
One of the main focuses is on mitochondrial DNA sequencing for forensics and comparing the DNA with a database of DNA profiles of known criminals. Forensic biologists play a crucial role in presenting their findings in court hearings, primarily working in crime labs of government agencies.
which of these is a trace fossil A.dinosaur egg B.insect in amber C.dinosaur footprint D. wooly mammoth tusk
C. dinosaur footprint (because a trace fossil is the trace of an animal instead of the animal itself).
Answer: Dinosaur footprint
Explanation:
The trace fossil can be defined as the geological records of the biological activity. They are fossils but only their imprints can be seen they are not the living forms preserved.
The best known fossils are the dinosaur trackways. It can be defined as the impression which is made by the organism on the substrate.
The remains of the organic matter preserved in order to study about the organism. These traces shows the behavior of the organism and helps in studying about it.
ON A SEPARATE SHEET OF PAPER, DRAW A V-T GRAPH THAT REPRESENTS AN OBJECT MOVING AT A CONSTANT SPEED OF 60 MPH FOR A PERIOD OF 10 HOURS. ON THIS GRAPH THE LINE YOU DREW TO REPRESENT constant speed is. A. Perfectly vertical B. Perfectly Horizontal C. Diagonal D. Curved
To represent an object moving at a constant speed of 60 mph for 10 hours on a V-T graph, you would draw a perfectly horizontal line.
In a velocity-time (V-T) graph, the horizontal axis represents time (in this case, hours), and the vertical axis represents velocity (in this case, speed in miles per hour, MPH).
When an object is moving at a constant speed, it means that it covers the same amount of distance in the same amount of time consistently. In this scenario, the object is moving at a constant speed of 60 MPH for 10 hours.
The key characteristic of constant speed on a V-T graph is that the velocity remains the same throughout the entire duration of the motion. This is represented by a perfectly horizontal line. The line extends along the velocity axis at the level of 60 MPH, indicating that at any given moment during the 10-hour period, the object's speed remains 60 MPH.
There is no change in velocity (acceleration) over time when an object is moving at a constant speed, hence the horizontal line on the graph. This is a fundamental concept in physics, and it's visually represented on the V-T graph by a straight, horizontal line.
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help please stuck on 2, 4, 5 on crossword
2 deoxycibose
4 mutation
5 dnafingerprint
if the parents are Bb and BB what percentage of the offspring will be gray?
a.) 0%
b.) 25%
c.) 50%
d.) 75%
Without additional information on the phenotypic expression of the 'B' and 'b' alleles, it is impossible to determine the percentage of gray offspring for the genotypes Bb and BB.
Explanation:Percentage of Offspring with a Certain GenotypeTo determine the percentage of offspring that will be gray from parents with genotypes Bb and BB, we can use a Punnett square. The genotype 'B' represents a dominant allele, and the genotype 'b' represents a recessive allele. Since we are not given what the 'B' or 'b' represent in terms of color (gray, black, white, etc.), it's not possible to answer the question about the percentage of gray offspring without additional information. However, the question on Brainly asked for the percentage of offspring that would be gray, and without any knowledge of the phenotypic expression of the genotypes 'B' and 'bb', we cannot determine this from the provided information.
In a typical Punnett square assuming complete dominance, if one parent is heterozygous (Bb) and the other is homozygous dominant (BB), all offspring will appear phenotypically like the dominant parent. This is because they will all have at least one 'B' allele. But without knowing which color 'B' and 'b' stand for, it's impossible to assign colors such as gray to these genotypes.
When someone is homozygous recessive for the sickle cell allele, what protein is misshapen?
A.) melanin
B.) factor VIII
C.) hemoglobin
D.) mucous-producing
C hemoglobin is the correct answer.
What is menopause, when does it normally occur, and what causes it?
What is menopause?
Menopause is a condition in which the ovaries cutdown in producing hormones and eggs.
When does it normally occur?
It occurs when females stop having periods for over a year, usually females over the age of 45 get menopause, which is a normal part of aging for older females.
What causes menopause?
Women produce eggs every month, when they stop producing eggs and periods stop, then they start developing menopause.
Menopause is, when does it normally occur, and the causes it Menopause is the end of the menstrual cycle naturally.
Further explanationMenopause or physiological cessation of menstrual cycles associated with the elderly level of women. A woman who experiences natural menopause at all can not know whether a certain menstrual period is really the last menstrual period until one year has passed. Menopause is sometimes referred to as a life change.
At the age of forty, some hormonal changes associated with menopause symptoms begin to occur, which usually occurs when women enter the age of 45 to 55 years.
The cause is Hormone Change
ovarian degeneration becomes inactive due to a lack of formation of reproductive hormones such as estrogen. Due to the drastic decrease in the hormone estrogen, it cannot inhibit the production of LH and FSH so that the value becomes high and remains quite long.
A woman is said to experience menopause when menstruation has stopped for 12 months. Menopause is preceded by the appearance of various changes during the perimenopause, called menopausal symptoms. These hormonal changes also affect bone mineralization. Estrogen influences bone mineralization by activating osteoclasts. thus, decreasing estrogen levels in menopausal women will reduce bone density.
The symptoms that arise are
a. Vertigo
b. dry skin
c. memory loss
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DetailsClass: College.
Subject: Biology.
Keywords: Menopause, Hormone , Woman
Which event signals the brain to breathe?
A respiratory control center at the base of your brain controls your breathing. This center sends ongoing signals down your spine and to the muscles involved in breathing. These signals ensure your breathing muscles contract and relax regularly.
The actual event (not which part of brain) that signals the need to breathe is carbon dioxide concentration in blood. when CO2 conc is high in blood, the brain will tell the body to breathe.
In an ecosystem, there are many factors that affect how many organisms can survive there. Which of the following is one of those factors?
A.
color of flowering plants
B.
number of times humans have seen the area
C.
availability of water
D.
age of mammal species
I think C) availability of water is your best answer because alot of organisms count on water as a major resource because they need it to survive so a lack or a gain in the amount of water will majorly effect an ecosystem.
Answer:
availability of water because animals need water to survive
Explanation:
The moth species Biston betularia has two color morphs, or variants. One has a speckled white and black color, while the other is all black. In the early 1800s in England, the distribution was 10,000 speckled morphs to 1 black morph. That distribution changed dramatically between 1900 and 1950. By 1950, the distribution of the speckled morph had declined to less than 3% of the population and the black morph distribution increased to 97%. Which statement most likely explains this change?
A. A predator of the moth underwent steep decline, which reduced selective pressures on the moth.
B. A chance mutation occurred in one black individual, which gave an advantage to the black morph's ability to survive.
C. The changes are due to normal random fluctuations that might be observed in any population over time.
D. Changes in the environment changed each morph's ability to evade predation in different ways.
I think this one might be D. I used the process of elimination for this.
A: If the predator began to die out, then both morphs would have grown in population.
B: Changes in mutation usually happen over a greater period of time than just 50 years.
That leaves C and D. I know nothing of the normal random fluctuations, so I can't say for sure that this is right. Therefore, my mind views D as the right answer.
While mutation occurs over a great span of time, a change in environment can happen faster, and often kills off some species since they don't have the tools for survival.
What is the difference between weather and climate? Give examples of each. -Why is the science of meteorology important to the everyday, average citizen? Talk about a time when meteorology impacted your plans for the weekend. -How do dew point and relative humidity work? -What are three specific thunderstorm (or hurricane, or tornado, etc) safety rules that everyone should know? - Explain how hurricanes form and where they get their energy. -What is the greenhouse effect? Why is it important to maintaining life on earth?
The first question's answer is...
"Whereas weather refers to short-term changes in the atmosphere, climate describes what the weather is like over a long period of time in a specific area. ... Looking at Climate Normals can help us describe whether the summers are hot and humid and whether the winters are cold and snowy at a particular place."
Medication that relieves pain but also slows respiration _____
The answer is; opioids
These painkillers relieve pain by competing with neurotransmitters in binding neurotransmitter receptors in the synapse. However, they don’t induce an impulse hence block the receptors from neurotransmitters. This working principle, however, is also problematic because it causes slow breathing because the drugs calm nerve activity even that which controls your breathing.
A student would like to determine how heating a liquid changes its volume. The student hypothesizes that the liquid will increase in volume. The following list shows the steps taken by the student in order to test the hypothesis.
Select the liquid to test.
Place the liquid in a sealed container.
Use a Bunsen burner to heat the liquid by 10°C.
Measure the volume of the liquid.
Record the results.
What is wrong with how the student conducted the investigation?
A.
The student should have increased the temperature of the liquid by more than 10ºC.
B.
The volume of the liquid should be measured before it is heated.
C.
The length of time it took for the liquid to be heated should be measured.
D.
The hypothesis was not valid because it is impossible for liquids to change in volume.
Answer:
B. The volume of the liquid should be measured before it is heated.
Explanation:
A student made serious mistake that he did not measure the volume of the liquid before heating.
The scientific experimentation along with care and attention need a proper protocol which a scientist needs to follow to get the results.
The initial hypothesis of the student shows that he wants to know the change in volume, so it is inevitable to calculate the initial volume to know the difference after the completion of experiment.
All other options seem less appropriate than Option B, therefore B is the right answer.
I hope it help!
The light independent reactions could not take place without the high-energy products produced in the light dependent reactions. These high-energy products are ___________ and _____________.
NADPH
Carbon dioxide
PGA
ATP
PGAL
RuBP
The given blanks can be filled with NADPH and ATP.
The dark reactions or light-independent reactions of photosynthesis refers to the chemical reactions, which transforms carbon dioxide and other constituents into glucose. These reactions take place in the stroma, that is, the fluid occupied region of a chloroplast external to the thylakoid membranes. These reactions use the products of light-dependent reactions, that is, NADPH and ATP to do further processes.
A gymnastics student lands awkwardly and hurts her ankle. after mri scan, it was revealed that she has a torn cartilage. the health care worker states it may take up to 3 to 4 months for this injury to heal. the basic physiologic reason behind the prolonged recovery is due to the fact that cartilage is/has primarily:
Cartilage is avascular, which is the basic physiological reason behind the prolonged recovery of the injury.
Cartilage is avascular tissue, which is a contrasting feature of bone tissue. Both the cartilage and bone comprises cells, which discharge an extracellular matrix that produces the composition of the tissue. Cartilage is more flexible in comparison to the bone, however, it also possesses substantial tensile strength.
The repairing of cartilage is mainly a gradual procedure and may in fact not take place in some of the situations. In comparison to cartilage, the extracellular matrix of bone is mineralized, forming a hard tissue that possesses the tendency of giving support for the body and safeguarding for its essential compositions.
Which of the following do not have cell walls: plants, animals, bacteria, or fungi?
Animals do not have cell walls.
The choice animals doesn't have cell walls. I hope i helped!
What is one benefit of a nonrenewable resource, such as natural gas?
Generates large amounts of electricity
Less expensive over time
Produces pollution
Will run out eventually
Answer:
Generates large amounts of electricity
Explanation:
One of the few benefits of nonrenewable resources is that they can generate large amounts of power. One plant using natural gas to generate electricity can power up homes and building for thousands of miles. This in spite of the wasted energy in the whole process of transforming them to pure energy, around 60% of the energy is wasted.
As they are scarce, they become more difficult to find over time, to access them a lot of resources must be used. This means that over time they become more expensive. It all depends on therank of time you want to calculate costs.
A 55-year old man is referred to your clinic. he has been sedentary all of his life, is gaining weight and wishes to get into better physical shape. he has never had any chest pain or shortness of breath when walking or climbing a flight of stairs. before recommending a vigorous exercise routine for this patient, you order what test?
In the given case, the client is recommended for ETT, that is, an Exercise Treadmill Test.
Various patients have underlying CAD, that is, coronary artery disease, however, it remains asymptomatic. Thus, prior to starting any new kind of intense activities after years of a sedentary lifestyle, it is suggested that the person should go for ETT to rule out any kind of underlying CAD.
An ETT records the heart's electrical activity on an ECG and takes the readings of blood pressure while one walks on a treadmill. It is usually done to check for any kind of heart disease, or to find of the treatment for heart ailment is efficient.
Which of the following is an example of the interaction between the circulatory and respiratory organ systems in a human
if your on study island the answer is The heart of a running man beats faster than the heart of a resting man.
Which of the following is usually the least disruptive (least serious) type of mutation if it occurs within a gene?
A.) trinucleotide repeat
B.) nucleotide insertion
C.) single nucleotide substitution
D.) nucleotide deletion
Hi Greenrune13.
Answer: B. Nucleotide insertion
Explanation: Nucleotide insertion is the following is usually the least disruptive at least serious types of mutation if it occurs within a gene.
I hope this helps you!
Have a nice day! :)
:D
-Charlie
Thank you! :)
:D
which process is the first step of making a protein from DNA instructions?
a)transcription
b)termination
c)translation
d)transfer
The first step of protein synthesis is called transcription. The DNA transcription to mRNA is actually the first step of the protein synthesis. During the transcription step the instructions encoded in the DNA of the genes are transcribed into the nucleotide sequence code of a ribonucleic acid (RNA)....
so your answer is Option (A)
Final answer:
The first step of making a protein from DNA instructions is transcription (option a), where the genetic code of DNA is copied into mRNA. This step is critical for transferring genetic code into a form that can be used to synthesize proteins.
Explanation:
The First Step of Protein Synthesis
The first step of making a protein from DNA instructions is known as transcription. This process involves the transcription of the genetic information in double-stranded deoxyribonucleic acid (DNA) into the single-stranded messenger molecule ribonucleic acid (RNA). It occurs in the nucleus of a cell and involves the creation of messenger RNA (mRNA) from the DNA template. After transcription, mRNA leaves the nucleus and is used in the next phase of protein synthesis, translation, where the mRNA is decoded to synthesize a protein.
Transcription is the critical first step that sets the stage for protein synthesis by allowing the genetic code carried in DNA to be transferred into a form that can be read and used to assemble proteins. Without this essential conversion from DNA to RNA, the process of reading the genetic instructions and constructing proteins cannot begin.