Which of the following best describes natural selection?

A. organisms vary in their physical traits, and some are inherited

B. Organisms compete for food and shelter

C. organisms best suited to their environments are most likely to survive and reproduce

D. Organisms produce more offspring than can survive

Answers

Answer 1
Answer: C

Explanation: according to Darwin, out of the vast no of individuals which compete for a place in the world, only those having advantageous variations survive and reproduce
Answer 2
C remember the key word is natural

Related Questions

how many chemical bond does carbon form

Answers

Answer:

carbon form four covalent bond

Explanation:

hope it's helpful

A person has parents with high cholesterol. How will this impact the person's risk of developing a blood disease?

A. The person will have a higher risk for atherosclerosis regardless of his current or past lifestyle choices

B. The person will not have a higher risk for atherosclerosis if he has a healthy diet and exercises often

C. The person will have a higher risk for chronically low blood pressure regardless of his current or past lifestyle choices

D. The person will not have a higher risk for chronically low blood pressure if he has a healthy diet and exercises often

Answers

As per the observation, the correct answer is C. The person will have a higher risk for chronically low blood pressure regardless of his current or past lifestyle choices as it will impact the person's risk of developing a blood disease.

Even in case your LDL cholesterol and blood stress ranges are best mildly elevated, while they're each found in your frame, they could have interaction with every different to extra fast harm your blood vessels and your coronary heart.

What is the relationship between blood level and cholesterol?

The hyperlink among excessive blood stress and excessive LDL cholesterol is going in each direction. When the frame cannot clean LDL cholesterol from the bloodstream, that extra LDL cholesterol can deposit alongside artery walls. When arteries emerge as stiff and slender from deposits, the coronary heart has to paintings extra time to pump blood via them.

Thus it is clear that cholesterol can affect the blood level that it can cause blood level.

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Answer:

A

Explanation:

A muscle cell has a solute concentration of 2% it is in a solution of 5% solute. What will happen
to the cell?

Answers

Answer:

But now you have two mixtures of different solute concentrations. In comparing two solutions of unequal solute concentration, the solution with the higher solute concentration is hypertonic, and the solution with the lower solute concentration is hypotonic

Explanation:

hope it helps :P

The cell will shrink as the solvent from low concentration solute will move towards the high concentration solute.

What is osmosis ?

Osmosis is the spontaneous net movement or diffusion of solvent molecules through a selectively permeable membrane from a region of high water potential to a region of low water potential, in the direction that tends to equalize the solute concentrations on the two sides.

Since the solute concentration in the muscle cell is just 2%, and the muscle cell is dipped in a solution that contains 5% solute, the solvent will flow from the muscle cell into the solution. This will result in the muscle cell becoming smaller until the concentration of solutes on both sides is equivalent.

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A fact is a statement or assertion of information that can be vairifired.

True
Or
False

Answers

It would be true because it can be verified

Answer:

Your answer to this question is true! I hope this helps!

which photoreceptor cells respond to very dim light?

Answers

the cells known as "Rods"

How many sugar molecules make up simple carbohydrates?

1 or 2
2 or 3
3 or 4
4 or 5

Answers

Answer:
One or two molecules can make up simple carbohydrates

Answer:

1 or 2 sugar molecules make up simple carbohydrates

which sensorimotor substage is focused on reflexes?

Answers

Answer:

According to Piaget, cognitive development includes six substages in the sensorimotor stage:

Stage 1 -  Reflexes (newborns between birth and one month) For example, infants exercise, improve, and organize the reflexes of sucking, looking, listening, and grasping.

Explanation:

which cortex has six layers of the cells and pyramidal neuron as a principal cell?

Answers

Answer:

The cerebral cortex consists of neurons, nerve fibers and neuroglia. The cerebral cortex (neocortex) consists of six layers (in human the primitive arrangement into three layers persists only in the olfactory cortex and the cortical part of the limbic system in the temporal lobe).

Explanation:

Hope this helps...

what three patterns of biodiversity did darwin observe

Answers

Answer:

Species vary globally, species vary locally, and species vary over time.

Explanation:

Darwin noticed three distinctive patterns of biological diversity.

Charles Darwin observed three patterns of biodiversity during his exploration on the voyage of the HMS Beagle and in his subsequent research:

Species Variation: Darwin noticed that within a particular species, there is a wide range of variation among individuals.

Geographical Distribution: Darwin observed that different regions of the world have distinct sets of plant and animal species.

Fossil Record: Darwin studied the fossil record and recognized that it contains evidence of extinct species that differ from those currently living.

Thus, these three patterns of biodiversity species variation, geographical distribution, and the fossil record were instrumental in shaping Darwin's theory of evolution by natural selection.

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what is the relationships between oxygen and photosynthesis

Answers

mark me brainiest if helped;

Photosynthesis is the process by which carbon dioxide and water are converted into oxygen and glucose. The plant consumes glucose as food and produces oxygen as a byproduct. Cellular respiration is the process by which oxygen and glucose are converted into water and carbon dioxide. Water and carbon dioxide are byproducts of the process, and ATP is the energy that is produced.

Choose the answer.
What does the abbreviation ad lib stand for in medical terminology?
a. activities of daily living
b. as desired
c. as directed
d. after dinner

Answers

Answer:

B

Explanation:

When a Physician writes orders as ad lib, this means that the patient that the order is written for can have as much as they desire of the specific item that the Physician specifies in the order.

Why is there a limit on the number of trophic levels that can exist within an ecosystem?

Answers

A large amount of energy is lost at each level, so there has to be a limit on the number of trophic levels.

If you crossed two plants from the F2 generation, what procedure would you follow to determine the genotypes of the next generation?

Answers

Answer:

You would use a test cross to determine the next generation

Explanation:

If you crossed two plants from the F2 generation, test cross procedure you should follow to determine the genotypes of the next generation.

What is a test cross?

Another important tool created by Gregor Mendel is the test cross. A test cross is a genetic experiment that involves crossing a homozygous recessive organism having a dominant phenotype with an unidentified genotype (and phenotype).

A test cross is a tool for investigating an organism's genetic makeup. The test cross was initially employed as an experimental mating test to identify the genotype's allele composition.

Therefore, to determine the genotypes, the test cross gets its name from the fact that it can tell whether a person has a homozygous dominant or heterozygous dominant trait.

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what happens to a cell during int
erphase

Answers

Answer asdf[iojdfa\ adf[oiASddajsd jsdfn

Which one should I click ?

Answers

Answer:

the third one

Explanation:

higher concentration means more of that substance in a certain volume

PLEASE HELP ASAP!!
How does the friction affect the total time a pendulum is in motion? And what could cause this friction in the real world?

Answers

Answer: Friction slows down the swing of the pendulum until it fully stops.

I'm not sure what to put for the next question

What is the correct order of the levels of organization in a living
thing, starting with the smallest level?

Answers

Well, if I’m not incorrect it should be, molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.

if a person wanted to learn more about the genetic material of plant and animal cells, where would they look?

Answers

Answer:

The cell organellles are visible in the electron microscope, but it is not possible to study the living cells in electron microscope. For study of genetic materials i.e., DNAs and RNAs is poosible through the help of electron microscope.  (ANSWER)

Explanation:

HELP PLS I NEED IT RN

You are given a compound that has a melting point of 560 C. You dissolve some of the compound in water and measure the pH of the resulting solution to be 11. You are told that the compound is either KCl, Ca(OH)₂, C₆H₁₂O₆, or H₂SO₄. Which of these compounds where you give? Explain.

Answers

Answer:

Ca(OH)² I think so..........

what 4 substances are recycled during photosynthesis and respiration?

Answers

Answer:

Carbon dioxide, Water, Oxygen and Glucose.

QUESTION: While some bacteria are pathogenic (disease-causing), others have beneficial effects on humans. Describe one way in which bacteria are helpful in our day-to-day lives, indicating how their presence is important.
ANSWER:



HELP ME PLEASEE
tell me what to write in the answer box

Answers

Answer:

See below (you have multiple answers to choose from)

Explanation:

-Bacteria helps degrade the food we eat

-They help trees grow

-They are also used in biotechnology applications to produce everything from food to energy to clean water.

- They are important in the recycling of nutrients in the environment

Answer:

One way in which bacteria are helpful in our day-to-day lives is the bacteria present in our stomachs which help us digest certain types of food and some chemical compounds inside of some food items. Without these bacteria, some compounds in food would not be able to be broken down and would in turn either poison or harm us in some way.

Explanation:

Where is the centromere located on the chromosome, and what is its role?
1. It is not exactly at the center, and it always makes the p-arm longer than the q-arm.
2. It is exactly at the center and it is responsible for making the q-arm longer than the p-arm.
3. It is not exactly at center, and it attaches to spindle fibers during cell division.
4. It is exactly at the center, and it attaches to spindle fibers during cell division.

Answers

Answer:

It is not exactly at the center, and it attaches to spindle fibers during cell division.

Explanation:

Did the test. Got it right.

Answer: The correct answer is C

Explanation:

I took the test

Which is NOT a homeostatic mechanism?
O fecal regulation
O water regulation
oxygen regulation
thermoregulation

Answers

Explanation:

To be precise, homeostasis is a process/phenomenon not a system. Homeostasis is actually the process of maintaining a stable internal environment despite changes in the external environment. There are mechanisms in organisms that regulate pH and this regulation is an example of homeostasis.

how many days can sperm live inside a woman’s body

Answers

Answer:

up to 5 days

Explanation:

this is the right answer

in alternation of generations, what is the diploid stage of a plant that follows fertilization called?

Answers

Answer:

sporophyte

Explanation:

What are the two ways to get air to rise?

Answers

Answer:

01. Heat it

02. Increase the density of the surrounding material

Explanation:

Have a great day, and spread some positivity!

Select the correct answer.
Which is an advantage of sexual reproduction over asexual reproduction?
A. increased number of organisms and decreased genetic variationdecreased genetic variation
B. doesn’t require an organism to find a mate
C. increased genetic variation
D. decreased genetic variation and decreased number of organism

Answers

i believe the answer is C

Answer:

C

Explanation:

the others look like the advantage of asexual reproduction

the cell wall of plants is composed of what material

Answers

Cellulose is the answer

Answer:

cellulose! :)

The pencil has a mass of 5.2g and a volume of 3cm^3. What is its density?(Show formula, work, and units)

Answers

Density is 5.2 / 3 g per cubic centimeter

what best describes the italo-byzantine style of the proto-renaissance

Answers

Explanation:

Italo-Byzantine is a style term in art history, mostly used for medieval paintings produced in Italy under heavy influence from Byzantine art. It initially covers religious paintings copying or imitating the standard Byzantine icon types, but painted by artists without a training in Byzantine techniques.

Italo-byzantine style of the Proto-Renaissance shows a period that took place or foundation of Italian Renaissance. What best describes are:

Art work or painting has it origin in byzantine art for without byzantine art it would not have existed.

It ranges from religious paintings copying or imitation of the standard Byzantine art.

The characteristic of the Italo-Byzantine style it has little representation of emotions.

limited range of gestures.

In Italo-Byzantine, there is a style term in

makes use of medieval paintings created in in Italy through learning or experience gotten from Byzantine art.

Conclusively, Italo-Byzantine is a style thag is influenced greatly by Byzantine art.

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