PRO: Quadrats work well for observing changes to whole populations over time, including distribution patterns, nesting and overall health. Some study techniques do not work with quadrats, however. For example, capture-recapture techniques that allow researchers to study individual animals do not work with quadrats because even slow-moving animals can move out of the study boundaries between sample periods.
CON: Despite the relative ease of designing quadrat studies, it is possible to introduce errors into a project. Quadrats that are too large, too small or spaced inappropriately often result in errors. For example, larger species require larger plots. Randomly spaced quadrats that are too small might miss too many individuals, resulting in under-representative estimates of population size.
Answer:
Pros and Cons of Quad-rats sampling are as follow:
Explanation:
It is a series of squares or Quad-rats, generally, use as a tool for the study of ecology and especially biodiversity, In these series of squares which are equal in size placed in the habitat of interest with the species which they recognized and then record its data.
Pros of Quad-rats:
Random placement is fast.Good for substrate and large species.Cons of Quad-rats:
can cause biased results.Difficult to assess the precision of estimate from one survey.Two genes coding for proteins involved in glycolysis reside on the same chromosome. Can these genes assort independently?
Answer:
Yes
Explanation:
The Gene's can assort independently
When the two genes coding for different proteins involved in glycolysis reside on the same chromosome, then these genes can assort independently if they are located far apart from each other on the chromosome.
Linkage occurs in a chromosome when two or more genes are linked together and are always inherited together in the same combination for more than two consecutive generations, whereas in case of recombination the genetic material of an organism is exchanged between different organisms which ultimately leads to the production of offspring with the combination of traits.
Mendel's Law of Independent Assortment states that during a dihybrid cross, an assortment of each of the pair of traits is independent of the other pair of traits. In other words, during gamete formation, one pair of trait or gene segregates from the another pair of traits or genes independently.
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AS MUCH INFORMATION ABOUT SMOKING AND PASSIVE SMOKING AS POSSIBLE WITH STATISTICS AND WHAT EFFECT IT HAS ON THE WORLD GLOBALLY
WILL BE GIVING BRAINLIEST
Answer:
there is a good and bad effect on the world, the positive reason being economically. smoking is a great money maker it was worth US$88 billion dollars in 2018. the negative reason is the pollution and what it does to the human body such as cancer
Explanation:
The center of the Milky Way most likely contains
A.
empty space.
B.
a red giant star.
C.
a globular cluster.
D.
a supermassive black hole.
Answer:
The center of the Milky Way most likely contains a supermassive black hole.
Explanation:
Because it is an eliptical galaxy, it has a little rotation to it but not enough to flatten out, thus the center would contain a supermassive black hole.
What body system controls other body systems
If you are asking what I think you are, the Nervous system is responsible for controlling our other body systems.
Answer:
There really isn't a general body system that controls all the other body systems because all the body systems work together to do a task. But, I think the nervous system would be the best answer.
PLEASE HELP ME WHY PEOPLE SMOKE?
Answer:
In my opinion, people smoke because they're "crazy" and need some "help."
They smoke maybe because the cigar is "good" or something...
Identify the phrase that best describes a transfer of energy between the hydrosphere and the atmosphere.
1)Ocean currents transport warm water from the equator to the poles and cold water from the poles to the tropics.
2)These currents help regulate air temperatures and, therefore, the global climate, counteracting the uneven distribution of solar radiation reaching Earth.
3)If there were no currents, the temperature near the equator would be extremely hot, and the temperature near the poles would be extremely cold.
4)These areas would not be suitable for living things to survive.
Answer:
2) These currents help regulate air temperatures and, therefore, the global climate, counteracting the uneven distribution of solar radiation reaching Earth
Explanation:
The ocean currents are part of the hydrosphere. They receive warmth from the sunlight. They warm up at the lower latitudes, and cool off at the higher latitudes. The ocean currents are in constant movement though, and they warm up the higher latitudes, and cool down the lower latitudes. The warming up and cooling off of the temperatures goes through the radiation of energy from the ocean currents. That radiation goes to the air masses, thus there is a transfer of energy from the hydrosphere tot he atmosphere. This transfer of energy between these two spheres helps to balance and modify the climate around the globe.
The phrase that best describes a transfer of energy between the hydrosphere and the atmosphere is:
1) Ocean currents transport warm water from the equator to the poles and cold water from the poles to the tropics.
Option 1) "Ocean currents transport warm water from the equator to the poles and cold water from the poles to the tropics." best describes a transfer of energy between the hydrosphere and the atmosphere. Ocean currents play a crucial role in redistributing heat energy around the globe. Warm currents carry heat from the equator towards the poles, while cold currents transport cold water from the poles towards the tropics. This movement of water helps regulate air temperatures, influencing the climate on both regional and global scales. By transferring heat energy between the hydrosphere and the atmosphere, ocean currents play a significant role in shaping weather patterns and maintaining the Earth's overall climate balance.
A series of steps that guide scientist to investigate questions about a natural world
Answer:
Scientific method
Explanation:
The scientific method is a systematic process used by scientists to explore observations, formulate hypotheses, and conduct experiments to investigate questions about the natural world. This method includes steps such as observation, hypothesis formation, experimentation, and analysis of results. It is adaptable and applicable to many fields of study.
A series of steps that guide scientists to investigate questions about the natural world is known as the scientific method. This process is integral to the way scientists explore observations, develop hypotheses, and conduct experiments. It typically begins with an observation that leads to a question. Following this, scientists engage in background research to frame a hypothesis, which is then rigorously tested through experimentation. After data collection, the results are analyzed, leading to conclusions that can either support or refute the hypothesis. Importantly, the scientific method is adaptable and can be applied beyond traditional scientific disciplines, embodying a standardized approach to problem-solving and inquiry.
If the bath was set to 80 °c, what do you think would happen to the rate of photosynthesis?
The rate of photosynthesis would decrease due to a change in the shape of certain enzymes that are adapted to temperatures much lower than that. The plant could also be damaged in the process and become unstable.
Photosynthesis is an example of
Some types of lichens have been used to make ______
A. Poison-tipped arrows
B. Natural dyes
C. Certain foods
D. All of the above
Answer:
D. All of the above
Explanation:
Some types of lichens have been used to make All of the above.
Answer:
(D). All of the above.
Explanation:
Lichens represent symbiotic association between algae (that provide food for fungi) and fungi (that provide protection and shelter to the algae).
Some lichens can be used to make poisons due to their high toxic content. For example, Letharia (wolf lichen) is used to kill wolves.
Some Lichens are used to produce natural dye. For example, cudbear lichen is used to make red dye.
Some lichens, such as Iceland moos and reindeer lichens can be also used as a food source in various regions.
Thus, the correct answer is option (D).
If a certain organism is a secondary consumer, what best explains its position in the food web?
X, because organism X feeds on producers
Y, because organism Y feeds on producers
X, because organism X feeds on a carnivore
Y, because organism Y feeds on a herbivore
Answer:
Y because organism y feed on herbivores
Explanation:it means y is carnivores or omnivores
Answer:
The Correct Answer is D
Y, because organism Y feeds on a herbivore
Explanation:
Zooplankton-eating fish are ________.primary consumersproducerssecondary consumersherbivoresdetritivores
Answer:primary consumer
Explanation:
Which of these word formulas for cellular respiration is correct?
A) Oxygen + Sugar → Energy + Carbon dioxide + Water
B) Carbon + Sugar → Energy + Carbon dioxide + Water
C) Nitrogen + Sugar → Energy + Carbon dioxide + Water
D) Hydrogen + Sugar → Energy + Carbon dioxide + Water
Which way do the nitrogenous bases in DNA pair up? A. A and G; T and C B. A and C; T and G C. A and T; G and C D. A and A; T and T; G and G; C and C
Use the drop-down menus to complete the statements.
Meiosis involves cell divisions.
Answer:
Meiosis involves two cell divisions
Explanation:
Mitosis and meiosis are two kinds of cell divisions and one of the main differences between the two is that meiosis goes through 2 nuclear divisions.
Meiosis has Meiosis I and Meiosis II division. In Meiosis I, the number of chromosomes in the daughter cells are only half of the parent cells. This is why it is called a reduction division, because the chromosomes will be reduced by half. In Meiosis II, the daughter cells will have the same number of chromosomes as the parent cells, which in this case is the daughter cells of meiosis I.
Some photosynthetic organisms contain chloroplasts that lack photosystem II, yet are able to survive. The best way to detect the lack of photosystem II in these organisms would be to test for liberation of O2 in the light. to determine if they have thylakoids in the chloroplasts. to test for CO2 fixation in the dark. to the action spectrum for photosynthesis.
Answer:
Just completing challenges Sorry
Explanation:
which of the following determines the specificity of a DNA probe?
A. type of radiation
B. level of enzymatic activity
C. number of neutrons
D. complementary base pairing
Answer:
Complementary base pairing
Explanation:
DNA probes are the single stranded stretches of nucleotides that are complementary to the original strand. DNA probes are used in various molecular technologies like polymerase chain reaction and DNA finger printing.
DNA probes can only hybridize with the specific complementary base pairs. Hence, complementary base pairing determines the specificity of DNA probe.
Thus, the correct answer is option (D).
All organisms need energy to live ATP is the fuel that powers all the activities of cells. Which statement best describes how ferns, people, and flatworms obtain energy?
Ferns and flatworms absorb food from their surroundings, while people must digest food found in their surroundings.
Ferns produce glucose that can be broken down by cellular respiration, while flatworms and people digest foods containing glucose for use in cellular respiration.
Producers such as ferns do not require a source of energy, while flatworms and humans must consume food for energy.
Ferns produce ATP during photosynthesis, while flatworms and people produce ATP during digestion.
Answer:
Ferns produce glucose that can be broken down by cellular respiration, while flatworms and people digest foods containing glucose for use in cellular respiration.
Explanation:
Ferns, humans & flatworms all require cellular respiration to live. This energy-productive process occurs in the cell cytoplasm and mitochondria. However, for cellular respiration to occur, it has to work on an energy-rich substrate. In cells, this substrate is usually glucose. Ferns are autotrophs hence can make glucose by photosynthesis because they have chlorophyll molecules. However, flatworm and humans are heterotrophs meaning they have to consume other organic compounds to get this glucose.
Answer:
i believe that the answer to your question would be (Ferns produce glucose that can be broken down by cellular respiration, while flatworms and people digest foods containing glucose for use in cellular respiration.)
Let me know if i got it right :)
How many pairs of chromosomes are there in each human body cell?
Answer:
23 pairs
Explanation:
There are 23 pairs of chromosomes in each human body cell.
which of the following describes a maritime tropical airmass?
A. cool, humid air masses from over the icy cold waters of the north pacific.
B. warm, humid air masses from over the waters of the Gulf of Mexico.
C. hot, dry air masses form mostly in summer over the dry areas of southwest and northern Mexico.
D. large air masses form over the Canada to bring very cold weather with low humidity.
plz help
B. warm, humid air masses from over the waters of the Gulf of Mexico.
One function of the poly-A tail on eukaryotic mRNA sequences is to help the mRNA be transported from the nucleus to the cytoplasm. Prokaryotic mRNA also has a poly-A tail. Choose the best explanation of the prokaryotic poly-A tail.
A. Prokaryotic poly-A tails have the same functions as eukaryotic poly-A tails, because this process is highly conserved throughout different species.
B. Prokaryotic poly-A tails are composed of a different molecular structure compared with eukaryotic poly-A tails.
C. Prokaryotic poly-A tails have other functions, because prokaryotes don't have nuclei.
D. Prokaryotic poly-A tails aren't important, because prokaryotes don't have nuclei.
Answer:
C. Prokaryotic poly-A tails have other functions, because prokaryotes don't have nuclei.
Explanation:
In eukaryotes, the poly-A tails help in import of mRNA from cytosol to nucleus with the help of proteins named as importins and then export of mRNA from nucleus to cytosol with the help of proteins named as exportins. In prokaryotes they serve the function of mRNA degradation instead. In prokaryotes, mRNA doesn't need to be imported and exported because they do not have a well defined double membranous organelle named as nucleus. All of their genetic material lies in the cytosol in the form of nucleoid.
In eukaryotes, poly-A tails serve many other functions apart from export and import like it imparts stability to mRNA, facilitates degradation of mRNA and increases translation efficiency by helping in circularization.
Which statement about the difference between autotrophs and heterotrophs is true? A. Autotrophs transform radiant energy into chemical energy, but heterotrophs can't. B. Autotrophs take in only oxygen, but heterotrophs take in both oxygen and carbon dioxide. C. Autotrophs have two different electron transport systems, but heterotrophs have none. D. Autotrophs don't have a Calvin cycle, but heterotrophs do.
Answer:
I think the answer I A
Explanation:
Autotrophs, like plants, get energy from the sun and turn that into food
The main difference between autotrophs and heterotrophs is that autotrophs can convert radiant energy into chemical energy, but heterotrophs can't. Therefore, option A is correct.
What are autotrophs and heterotrophs?Autotrophs and heterotrophs are two different types of organisms classified based on their ability to obtain energy and nutrients.
Autotrophs are also known as producers. They are organisms that can produce their own food using energy from the sun, water, and carbon dioxide through the process of photosynthesis. Examples of autotrophs include plants, algae, and some bacteria.
Heterotrophs are also known as consumers. They are organisms that cannot produce their own food and must obtain energy and nutrients by consuming other organisms or organic matter. Examples of heterotrophs include animals, fungi, and some bacteria. Thus, option A is correct.
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Are a type of lipid that consists of fatty acids combined with alcohols or other
Final answer:
Lipids are a diverse group of organic molecules including triglycerides, which consist of glycerol bonded to three fatty acids. Triglycerides are the main component of body fat and can contain either saturated or unsaturated fatty acids. Other lipid types include phospholipids and steroids, all vital to organism function.
Explanation:
Lipids are a diverse group of organic compounds that are insoluble in water but soluble in organic solvents. They play vital roles in living organisms and include substances like fats, oils, waxes, and steroids. One common type of lipid is the triglyceride, which is formed when a glycerol molecule combines with three fatty acid molecules. Glycerol is a sugar alcohol, a simple, sweet-tasting, non-toxic compound that is colorless and odorless.
Triglycerides are the primary constituent of body fat in humans and animals, and can also be found in plant-derived fats. They are important for storing energy and providing insulation. Triglycerides come in many varieties but can be broadly categorized into two types based on the fatty acids they contain: those with saturated fatty acids and those with unsaturated fatty acids. The unsaturated ones are commonly found in plant products and are associated with health benefits.
Other types of lipids include phospholipids and steroids, each of which has unique functions in the body. Phospholipids are essential components of cell membranes, while steroids, like cholesterol, serve as precursors to important hormones and have structural roles in cells.
Which of the following is not true of air masses? (Do not delete my question earth science is not an option for a subject!!)
A.) An air mass cannot transfer energy from one area to another
B.) A large mass of air takes on the temperature and humidity characteristics of the land or water under it
C.) And Air mass redistributes energy by moving from place to place
Answer:
A.) An air mass cannot transfer energy from one area to another
Explanation:
The air masses are constantly on the move. They can be warm and moist, or cold and dry, as well as hot and dry, all depending on the place above which they have formed. The air masses that form over warm, large bodies of water and warm and moist. The air masses that form over cold regions are cold and dry, and the air masses that form deeper into the continent in hot regions, are hot and dry. Because the air masses are constantly on the move, they manage to transfer their energy from one area to another, resulting in change of weather conditions as the energy is transferred.
The statement that an air mass cannot transfer energy from one area to another is not true. Air masses can and do transfer energy in ways such as conduction or radiation. The other choices accurately describe the properties of air masses.
Explanation:The following statement is not true of air masses: A.) An air mass cannot transfer energy from one area to another.
Air masses have the ability to transfer energy from one area to another in two ways: Via radiation or conduction. For instance, warm air masses can move and transfer heat to cooler areas, thus transferring energy.
Moreover, options B and C: A large mass of air takes on the temperature and humidity characteristics of the land or water under it and an Air mass redistributes energy by moving from place to place respectively, are both true descriptions of the properties of air masses.
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The secretions of the pituitary gland are most directly regulated by the
Answer:
Reticular formation.
**15 POINTS **
explain how Heredity and family medical history can play a role in an individual's personal health. *include examples in your explanation*
Explanation:
When a family member transfers a function from one generation to another through genes, this is called hereditary. Genetic factors may be involved in hypertension, heart disease, and other related diseases. Throughout circumstance, people with a family history of cardiovascular disease may have the same background or there may be other potential factors that may increase your/their risk. A combination of unhealthy lifestyles, such as heredity, smoking and nutrition, can increase the risk of heart disease,as well as the habit of Unhealthy food.
Heredity and family medical history can play a role in an individual's personal health through the transfer of traits from the parents to the offspring.
Heredity refers to the processes by which characteristics are transmitted from parents to their children. It should be noted that when parents transfer a function from one generation to another through genes, this is called hereditary.
There are some diseases that are heredity such as hypertension, sickle cell anemia, etc. In such a case, children from such a family will likely be hypertensive too.
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Which allele is expressed in the first-generation offspring of parents that have two different traits?
A. the segregated allele
B. the true-breeding allele
C. the recessive allele
D. the dominant allele
D. the dominant allele
when it comes to their function in a cell what are ribosomes sometimes referred to?
A.protein factory
B.brain
C.janitor
Ribosomes referred to protein factory. So, the correct option is (A).
What are Ribosomes?Ribosomes are defined as macromolecular machines which is found within all cells carrying out biological protein synthesis. These link amino acids together in the order specified by the codons of messenger RNA molecules to form a polypeptide chain.
It consists of two major components:
1. The Small ribosomal subunits
2. The Large ribosomal subunits.
These are organelles that help in protein synthesis where proteins are needed for many cell activities such as damage repair and other chemical processes.
Thus, ribosomes referred to protein factory. So, the correct option is (A).
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The physical characteristics of an organism are its a. genetics b. heredity c. phenotype d. genotype
The physical characteristics of an organism are known as its phenotype, which is determined by its genotype and the interaction with its environment. Genetics is the study of these features, while heredity refers to the passing on of these genetic traits. The physical characteristics of an organism are its c
Explanation:The physical characteristics of an organism are its c. phenotype. The term 'phenotype' refers to the observable physical properties of an organism. These could include traits like color, shape, size, and behavior, among others. These characteristics are determined by the interaction of an organism's genotype, which is the set of genes it carries, and the environment. Genetics is the study of genes, genetic variation, and heredity in organisms. Heredity is the passing of genetic traits from parents to offspring. However, it is not the physical characteristics, but the genetic information passed on.
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Why are producers so important to an ecosystem
Answer:
because without producers, there is no ecosystem, they are basically the foundation of the economy