Answer:
Explanation:
An increase in the number of decomposers ... Leaves fall from deciduous trees onto the forest floor. These leaves decay slowly and become part of the topsoil. Which change is most likely to have a positive impact on the nutrients available in the ... Which explains why the size of a population of rabbits might be decreasing.
The change that is MOST likely to have a positive impact on the nutrients available in the topsoil is an increase in the number of decomposers.
Decomposers are microorganisms that can break down organic molecules into smaller components.Decomposers include different groups of organisms such as, for example, bacteria and fungi.Decomposers play a fundamental role in the biogeochemical cycles and foods webs.In conclusion, the change that is MOST likely to have a positive impact on the nutrients available in the topsoil is an increase in the number of decomposers.
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The following diagram shows various positions of the moon in
its orbit around Earth. The image of the moon shows its phase as seen from Earth
In which position will one fourth of the illuminated side of the moon be visible from Earth?
A
B
C
D
(I'm indecisive about A and D, so I'm not sure which one is correct)
D.
If you have scratch paper and draw it out, it would greatly help you. A different way would be to visualize it in your head. Behind the Earth is Full moon, in front is new moon, above/below is half/gibbous. To the right of below is 3/4. To the left of below is 1/4. To the right of above is also 3/4. To the left of above is 1/4
hi!:) can you please complete this for me? i’m a little confused.:)
1. The sun
2. Chemical energy
3. Photosynthesis
4. Store
5. release
6. Cellular respiration?
Last one I'm not 100% sure.
Which of the following components of blood are removed during kidney filtration?
Answer:
The nephrons work through a two-step process: the glomerulus filters your blood, and the tubule returns needed substances to your blood and removes wastes.
All prokaryotes belong to one of two domains:_____
or_______
Bacteria or Archaea.
Describe the rules of probability and explain how they apply to genetics
1.) The Addition Rule: P(A or B) = P(A) + P(B) - P(A and B)
If A and B cannot occur together, then the third term is 0, and the rule reduces to P(A or B) = P(A) + P(B). For example, you can't flip a coin and have it come up both heads and tails on one toss.
2.) The Multiplication Rule: P(A and B) = P(A) * P(B|A) or P(B) * P(A|B)
If A and B are independent events, we can reduce the formula to P(A and B) = P(A) * P(B). The term independent refers to any event whose outcome is not affected by the outcome of another event. For instance, consider the second of two coin flips, which still has a .50 (50%) probability of landing heads, regardless of what came up on the first flip. What is the probability that, during the two coin flips, you come up with tails on the first flip and heads on the second flip.
Let's perform the calculations: P = P(tails) * P(heads) = (0.5) * (0.5) = 0.25
3.) The Complement Rule: P(not A) = 1 - P(A)
Do you see why the complement rule can also be thought of as the subtraction rule? This rule builds upon the mutually exclusive nature of P(A) and P(not A). These two events can never occur together, but one of them always has to occur. Therefore P(A) + P(not A) = 1. For example, if the weatherman says there is a 0.3 chance of rain tomorrow, let's see the chances of no rain.
P(no rain) = 1 - P(rain) = 1 - 0.3 = 0.7
The rules apply to genetics because they are used to reveal traits that are hidden in the genome by dominant alleles. Probability allows scientists and doctors to calculate the chance that offspring will inherit certain traits, including some genetic diseases.
Rules of probability -
Probability Rule One (For any event A, 0 ≤ P(A) ≤ 1)
Probability Rule Two (The sum of the probabilities of all possible outcomes is 1)
Probability Rule Three (The Complement Rule)
Probabilities Involving Multiple Events.
Probability Rule Four (Addition Rule for Disjoint Events)
Finding P(A and B) using Logic.
Explanation -
Probabilities predict the likelihood that certain events will occur such as the inheritance of a particular trait in an organism. ... It can also help to predict patterns of inheritance of traits and diseases in family lines.
Would really appreciate a brainliest! Hope this helps!
What cellular process releases ATP by breaking down glucose into lactate?
A. Glycolysis
B. Alcoholic fermentation
C. Aerobic respiration
D. Lactic acid fermentation
Lactic acid fermentation is the cellular process that releases ATP by breaking down glucose into lactate.
What is lactic acid fermentation?Lactic acid fermentation is a metabolic process by way in which glucose or different six-carbon sugars (additionally, disaccharides of six-carbon sugars, e.g. sucrose or lactose) are transformed into mobile energy and the metabolite lactate, that's lactic acid in solution.
What are the steps of lactic acid fermentation?Lactic acid fermentation has two steps: glycolysis and NADH regeneration. at some stage in glycolysis, one glucose molecule is converted to 2 pyruvate molecules, generating internet ATP and NADH.
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Why did DNA technology lead to more use of cladistics?
A. It proved that prokaryotes and eukaryotes are related.
B. It showed that humans are in the species sapiens.
C. It showed new evolutionary relationships between animals.
D. It proved that the Linnaean system was the most accurate.
DNA technology lead to more use of cladistics because it showed new evolutionary relationships between animals.
What is DNA?
The term DNA is the acronym that means deoxyribonucleic acid. This is the genetic material that is found in living things and have proven to be usefull in the search for evolutionary connections.
Hence, DNA technology lead to more use of cladistics because it showed new evolutionary relationships between animals.
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All fungi are ____.
Answer choices: Prokaryotic, Eukaryotic, Unicellular, Multicellular
Answer:
Eukaryotic
Explanation:
All fungi are eukaryotic due to their cells containing discrete membrane-bound organelles. The definition of a eukaryote, "A eukaryote is an organism whose cells contain a nucleus within a membrane. The genetic material and information of a eukaryote is contained within this nucleus."
Answer: eukaryotic
Explanation: because fungi live as either single-celled organisms or multicellular organisms.
And it can't be prokaryotic because bacteria is the only prokaryotic
Which of the following is NOT a condition required for populations to increase?
A
good medicine
B
constant sanitation
C
constant food
D
more meat in diet
Answer: D more meat
Explanation:
Which of the following would be the most appropriate model to
determine how pouring concrete over grassland to build a parking lot
will affect the surface water in a watershed?
Select one:
Go to a parking lot on a rainy day and observe the amount of water running off
the parking lot. Go to a grassy field in another city on the same day to observe
the amount of water running off the field. Compare the two observations.
Build two large water tables filled with soil. Plant grass in the soil in one water
table and cover the soil with small rocks in the other water table. Run water over
the surface of both water tables and observe water running off the the surface.
Compare the two observations,
Observe the amount of water flowing through a stream on a rainy day. Observe
the amount of water flowing through the same stream on a sunny day. Compare
the two observations.
Go to a grassy hillside and pour a bucket of water down the hillside. Observe
water running down the hillside. Cover the same spot with a plastic garbage bag
and pour another bucket of water over the bag. Observe water running over the
bag. Compare the two observations.
Answer:Go to a parking lot on a rainy day and observe the amount of water running off
the parking lot. Go to a grassy field in another city on the same day to observe
the amount of water running off the field. Compare the two observations.
Explanation:
Describe the function of each Cytoplasm Chloroplasts Cell wall Centrioles
Cytoplasm: It's responsible for the shape of a cell, as well as making sure organelles are where they're supposed to be. They control what comes in, and what comes out.
Chroloplasts: This organelle are included in plants. They control the function of photosynthesis.
Cell Wall: The protection of a plant cell. It forms a frame for the cell and provides support
Centrioles: Helps with cell division in animal cells.
I hope this helps <3
Good luck!
How can Charles act like a sociologist and be systematic in his study of how
people show emotions?
O A. By reading about a sad situation
O B. By studying the different ways that people react to emotional
situations
O C. By asking one person what makes her laugh
O D. By assuming that men do not cry because he has never seen his
father cry
Answer:
B-By studying the different ways that people react to emotional
Explanation:
Sociologists will study by observation.
By studying the different ways that people react to emotional situations
Why did the petri dish get warm when hydrogen peroxide and liver were combined?
Answer: The bubbles will form due to the liberation of oxygen gas and white spots will develop on the liver.
Explanation:
The liver is a vital organ, its function is to metabolize the toxins into less harmful metabolites, that are excreted out of the body.
The catalase is one of the enzymes that participate in the metabolic activities of the liver. In the given condition, when hydrogen peroxide and liver were combined. The catalase enzyme breaks down the hydrogen peroxide into water and oxygen. In this reaction, the oxygen gas is liberated, in the form of bubbles and this reaction produces white colored foam which later leaves white spots on the liver.
A student made this diagram after observing the organisms of a model ecosystem in a large terrarium which pair of organisms are both producers in the students model
The question is incomplete as it does not have the image (attached) and the options which are
A. Flies and marigolds
B. Pull bugs and flies
C. Crickets and grass
D. Grass and marigolds
Answer:
D. Grass and marigolds
Explanation:
In the given question, the organisms which can be considered producers are the marigold and grass as the producers are the autotrophic organisms.
The producers can produce the first energy molecule called glucose through the process of photosynthesis and from there the atmospheric elements enter the food chain.
The marigold and the grass are therefore considered producers and thus option-D is the correct answer.
Answer:
grass and marigolds
Explanation:
The equation shows a chemical reaction using 64 grams of calcium, 162 grams of zinc carbonate, and 152 grams of calcium carbonate
calcium + zinc carbonate -- calcium carbonate + zinc
According to the law of conservation of matter, how much zinc is present in the product?
a 64 grams
b 74 grams
c 88 grams
d 98 grams
According to the Law of Conservation of Matter, the total mass before and after a chemical reaction should be equal. In this case, this suggests there would be 226 grams of zinc in the product, which does not match any of the given answer choices.
Explanation:According to the Law of Conservation of Matter, the mass of the reactants (inputs to the reaction) should equal the mass of the products (outputs of the reaction) in a chemical reaction. In this case, the masses of calcium, zinc carbonate, and calcium carbonate add up to 378 grams.
In other words, 64 grams (Calcium) + 162 grams (Zinc Carbonate) + 152 grams (Calcium Carbonate) = 378 grams. This means the mass of the products should also be 378 grams.
The mass of calcium carbonate is known to be 152 grams. Therefore, by subtracting this from the total, we can determine the mass of zinc. 378 grams - 152 grams = 226 grams. So, the Law of Conservation of Matter suggests that there should be 226 grams of zinc in the product. However, since none of those options are available, we can suggest an error in the given options.
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consumer
multicelllar
no cell wall
cell membrane
small vacuoles
eukaryotic cells
This list of characteristics describes organisms in the ________ kingdom.
Which kingdom is completely composed of unicellular organisms that are prokaryotic?
Answer:
Eubacteria
Explanation:
Eubacteria is one of the three domains of life forms ( other two being Archaebacteria and Eukarya) that includes unicellular, prokaryotic organisms.
It means that the organisms are composed of single cell and are devoid of nucleus and membrane bound subcellular compartments ( cell organelles).
Answer:
Its animals
Explanation:
Which of the following statements about nuclear energy is true?
a. Nuclear energy cannot be contained nor controlled.
b. Nuclear energy is contained in nuclear bonds.
c. Nuclear energy is less efficient than other energy forms.
d. All of the above are true.
Please select the best answer from the choices provided
ОА
Answer:
The answer is b. Nuclear energy is contained in nuclear bonds.
Explanation:
As nuclear energy can be contained and controlled, it is more efficient and sometimes similar to other energy forms.
Nuclear energy is contained in nuclear bonds. Therefore, the correct statement is b.
Nuclear energy is the energy that is contained within the nucleus (core) of an atom. It is the energy that holds the protons and neutrons together in the atomic nucleus.This energy is released in nuclear reactions, such as nuclear fission (the splitting of atomic nuclei) or nuclear fusion (the merging of atomic nuclei). In nuclear fission, the energy is released when heavy atomic nuclei, such as uranium-235 or plutonium-239, split into smaller nuclei, along with the release of a significant amount of heat energy.The energy released from nuclear reactions is harnessed and used to generate electricity in nuclear power plants.Nuclear energy is highly efficient in terms of energy release. It is known for its high energy density, which means that a small amount of nuclear fuel can produce a large amount of energy.The other statements are not true:
a. Nuclear energy can be contained and controlled, as evidenced by the operation of nuclear power plants worldwide. Stringent safety measures and engineering controls are in place to ensure the safe and controlled use of nuclear energy.
c. Nuclear energy is not necessarily less efficient than other energy forms. In fact, nuclear energy is known for its high efficiency and low greenhouse gas emissions when compared to some other forms of energy generation, such as fossil fuels. However, there are safety and environmental considerations associated with nuclear energy that need to be managed carefully.
So, the correct answer is option b, as it accurately describes the nature of nuclear energy.
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On a cool and brisk day, if you take a deep breath in and then exhale, you'll see a "fog" that forms as a result of your exhaled breath.
Which of the following products of cellular respiration does that "fog" contain?
Choose 1 answer:
A)
Oxygen and water
B)
Carbon dioxide and water
C)
Oxygen and carbon dioxide
D)
Carbon dioxide and glucose
Answer:
Carbon dioxide and water
Explanation:
During inhalation, you are breathing in air, with a specific need for oxygen. In addition, the food you take in will be broken down to glucose.
During exhalation, you are breathing out waste products of cellular respiration.
The substances you take in are reactants of cellular respiration that are transformed to a usable product of energy for the cell called ATP.
During this transformation, other by-products form, such as carbon dioxide and water. These are taken out of the body during exhalation (heat is also released).
In the given case, the following products of cellular respiration do that "fog" contain - B) Carbon dioxide and water.
Breathing or physical respiration involves inhalation of air that contains oxygen and exhalation involves the release of the products of the cellular respiration.
Inhalation involves the intake of oxygen through the mouth or nose into the lungs.From the lungs oxygen is transported to all the cells of the body to carry out cellular respirationcellular respiration releases carbon dioxide and water that moves out to the atmosphere by exhalation with heat.The fog contains carbon dioxide and water.Thus, In the given case, the following products of cellular respiration do that "fog" contain - B) Carbon dioxide and water.
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A natural disaster destroyed a group of old buildings that contained toxic materials like lead paint Toxic materials contaminated the
soil and water sources near the destroyed buildings. Additionally, trees in a small area near the buildings were destroyed. Some of
the trees were over 75 years old and provided places for birds to build nests
What type of natural disaster most likely caused these problems?
A. hurricane
B. tornado
C. flood
D. volcanic eruption
Which of the following would best characterize an ecosystem? *
An individual living thing, such as an antelope
A group of different species that live together in one area
All organisms as well as the climate, soil, water, rocks and other nonliving things in an area
Answer:
It would be the last one: All organisms as well as the climate, soil. water, rocks, and other nonliving things
Explanation:
The first one is an organism
The second one is a population
And the last statement is a ecosystem
Hope this helped
What instrument is used to measure earthquake waves?
Answer:
飒飒
Explanation:
阿萨说
Read the video transcript from Dr X and the Quest for Food Safety. What most likely is the purpose of the rescue scene at
the beginning?
to teach viewers about cross contamination
to scare viewers about cross contamination
to make cross contamination funny to viewers
to make cross contamination exciting to viewers
100 POINTS
Answer:
A
Explanation:
She already got it I was just adding an anwser for someone if anybody didnt see her comment on the question.
GOOD LUCK ON THE TEST!!
Answer:
A.) to teach viewers about cross contamination
Explanation:
what four type of animals
Answer:
I don't really understand the question so here is a list of some types of animals
Explanation:
Mammals
Birds
Reptiles
Amphibians
Fishes
Insects
Crustaceans
Arachnids
Complete the punnett square using the cross Bb x Bb if Blue is dominant and red is recessive.....what color would heterozygous be? *Hint, think of what color blue and red make.
Answer:
Blue. Not purple because red is recessive and blue is dominant. there wouldnt be a new color!
Explanation:
B | b
|
BB | Bb
B |
|
_________________________
|
|
b Bb | bb
|
|
Answer:
It wouldn't make a mixture of both because its not codominant since one trait is dominant and another is recessive.
Explanation:
Which of the following hormones never enters the target cell? Hydrophilic hydrophobic hydrolytic or hydrocarbon
Answer:
Adrenaline, noradrenaline, and the peptide
Explanation:
Answer:
in target cells is testosterone able to initiate the phosphorylation are never found in the nucleus of a cell on both hydrophilic surfaces of the membrane, but not in the hydrophobic :D
Explanation:
Examine the diagram of the food web described in the passage. Using arrows, how would you label the direction of energy flow through this web?A:Starting at the edges and and flowing toward the shrimp. B: Starting at shrimp and flowing outward. C: Starting at the plankton and flowing upward.D: Starting at the birds and flowing downward
Answer:
c.
Explanation:
The food web starts as the plankton are eaten by worms and mollusks, which are eaten by shrimp, which are eaten by crabs and fish, and fish eat the shrimp, and birds eat the crabs, shrimp, and fish. I hope my answer helps.
Starting at the plankton and flowing upward. Therefore, option (C) is correct.
What is flow of energy in food web?A food web describes the transfer of energy and nutrients from one organism to another within an ecosystem. The flow of energy in a food web starts with producers, such as plants or algae, which convert energy from the sun into organic matter through photosynthesis. This organic matter is then consumed by herbivores, which are then consumed by carnivores or omnivores, and so on. Each level of the food web represents a trophic level, with energy and nutrients being passed up the chain as organisms consume one another.
As energy moves up the food web, some of it is lost through various processes such as respiration, heat loss, and waste production. This means that the amount of energy available at each trophic level decreases, resulting in a pyramid-shaped structure of the food web. The flow of energy through a food web is essential for maintaining the balance and stability of an ecosystem, as it determines the survival and population of different organisms within it.
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Which of the following statements best describes a
stem cell?
Stem cells can develop into other types of
cells.
Stem cells are used as backup for
reproduction,
Stem cells are responsible for creating
somatic cells.
Answer:
stem cells are used for backup reproduction.
Explanation:
because Stem cells provide new cells for the body as it grows, and replace specialised cells that are damaged or lost. They can divide over and over again to produce new cells. they can change into the other types of cell that make up the body.
The statement that best describes stem cell is- “Stem cells can develop into other types of cells”. Hence, option A is correct.
What are stem cells?Stem cells are the basic undifferentiated cells of the body that can be formed into any other type of cell as the requirement of the body. They can self-renew themselves indefinitely and give rise to differentiated cells of the body.
They are also called “master cells” or totipotent cells, as they have total potency to regenerate.
There are many sources of stem cells, such as:
Embryonic stem cells-These cells are extracted from the embryo when they are 3–5 days old in the blastocyst stage of embryonic development. They are pluripotent stem cells, which means they can form more stem cells or other types of cells.Adult stem cells-These cells are found in very small quantities in the adult tissues such as bone marrow, fat, brain tissue, blood vessels etc. In comparison to the embryonic stem cells, they have less ability to be give rise to other type of cell of the body. Perinatal stem cells-These cells are discovered by the researchers in the amniotic fluid as well as the umbilical cord and can give rise to many specialized cells of the body.Therefore, stem cells can be developed into other types of cells. Hence, option A is correct.
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Describe how the Ensatina salamanders spewed through California?
Answer:
As it expanded south, the population became split by the San Joaquin Valley in central California, forming two different groups. ... By the time the salamanders reached the southernmost part of California, the separation had caused the two groups to evolve enough differences that they had become reproductively isolated.
Explanation:
Chesapeake Bay Blue Crab Population
Page 2
What data from the two sources provide evidence that
Virginia's efforts to protect its watersheds have been
successful? Check all that apply.
The spawning-age female population increased in
2010.
Chesapeake Bay Blue Crab
Population
Millions of Crabs
The blue crab population plunged in 2013 and
2014.
The adult population of blue crabs greatly increased
after emergency-management measures were
implemented.
The number of adult female crabs has improved.
The number of spawning-age females remains
below the target level of 215 million and the
previous recent high attained in 2010.
Answer:
1,3,4
Explanation:
Answer:
2 and 3
Explanation:
Question 46 (1 point)
Respiratory acidosis is generally corrected by:
do not smokeloose weightavoid using sedating medicines use CPAPdevice if prescribed