describes natural selection?

Answers

Answer 1
Simply, natural selection is that the genetically strongest organisms will be the ones that are able to survive and reproduce, which eliminates weak characteristics, and keeps the strong ones. Survival of the fittest.

Related Questions

Predict what would happen to the wolf and elk populations if there was a drought that caused many of the plant species to dry up and/or die.

Answers

Answer:the elk would die because there would be no plants left and then the wolf would die to because there would be no more elk

Explanation:

If a drought were to cause many plant species to dry up and die, it would have indirect effects on the populations of wolves and elks, which are interconnected through a predator-prey relationship.

The drought leads to a scarcity of water, which affects plant growth. Many plant species, including grasses and shrubs that serve as food sources for elks, dry up and die due to the lack of water.

With the decline in plant food sources, the elk population would face food scarcity. The reduced availability of vegetation would result in limited feeding opportunities for elks, potentially leading to malnutrition and weakened individuals.

Therefore, it's important to note that the specific outcome may vary based on the severity and duration of the drought, the overall ecosystem resilience, and the presence of alternative food sources or migration possibilities for elk and wolf populations.

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Q: What is a controlled variable? Give an example

(BTW if u can let me know if the answer is from google so I can put it in my own words, if it's not also let me know! if you don't it's fine! , works either way!)

Answers

Answer:

A control variable is the variable in the experiment that does not change.

Explanation:

If you are testing how seeds grow in different types of water, and you add 1tbps of salt to one pot of water with the plant, and then added 2tbps to another pot of water with the plant. The control variable in this experiment would be the water with no salt because it was not altered.

FYI I did not pull from google. Good luck!

how does seafloor spreading occur
A. New materials are being added to the asthenosphere
B. Earthquake breaks apart the ocean floor
C. Sediments accumulate at the area of spreading
D. Molten materials beneath the earth crust rise to the surface

Answers

the answer is d due to divergent plate boundaries

Name 5 groups of vertebrates and give two examples of each

Answers

Answer:

fish - seahorse, clown fish

amphibians - frog, lizard

reptiles - alligator, cobra

birds - duck, falcon

mammals - human, cow

Explanation:

easiest way to remember is

franklin(fish) ate(amphibians) really(reptiles) big(birds) meals(mammals)

................................................................

and for the animals that fall under those categories

Sam(seahorse) found(frog) a(alligator) dirty(duck) house(human)

True or false: the landmass built up by the dropping of till by a glacier is called alluvial

Answers

Answer: False

Explanation:

Pleaseee hellpppppp!!!!

Answers

Answer:

C

Explanation:

hope this helped and yes im postitive

True or False:
Evolution acts on life and leads to adaptations in species.

Answers

True. In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection.

The gravitational force between two objects will become ___ as their mass increases

a greater
b closer
c heavier
d less

Answers

Answer: a

Explanation:

Answer:

A

Explanation:

Because when something is using gravitational force between objects it will be greater as the mass increases

List and explain 3 different types of mutations.

Answers

Answer:

base substitutions-causes sickle-cell disease

deletions- causes deletion syndrome, cystic fibrosis, Turner syndrome, and Williams syndrome

insertions-it can cause all amino acids in the chain after that point to be different. This results in an entirely different protein than the desired one.

Explanation:

What do the Mitochondria and
Chloroplast have that other organelles
don't have?

Answers

Answer:

DNA

Explanation:

Both organelles possess their own DNA and ribosomes.

One of water's unique properties is that it has strong surface tension. What do you predict would happen if water had weak surface tension?

Plants would not be able to transport water inside themselves.
Plants would not be able to draw water from the ground through their roots.
Water molecules would attract each other.
Water would only be able to dissolve nonpolar substances.

Answers

Answer:

One of water's unique properties is that it has strong surface tension. What do you predict would happen if water had weak surface tension?

1)Plants would not be able to transport water inside themselves.  

2)Plants would not be able to draw water from the ground through their roots.  

3)Water molecules would attract each other.  

4)Water would only be able to dissolve nonpolar substances.

Explanation:

Diamonds are pure ______ .​

Answers

Answer:

Carbon.

Explanation:

Diamonds are pure carbon like graphite, but diamonds are much stronger because they have a stronger molecular structure.

Examine the following list of questions.

1. Why are kids afraid of ghosts?
2. Should I feed the raccoons that visit my trash can?
3. How does mouse color affect mouse survival?
4. Does a mother duck love her babies?

Which statement correctly identifies the scientific question and describes why the question is scientific?

Answers

Answer:

I think it is 3

Explanation:

The other questions can be explained as an opinion but 3 can be studied and it can be experimented.

PLEASE HELP ME I DONT KNOW THE ANSWER!!!!!

Answers

Answer: I think the answer is ( d) because the two tails are together to get stuck in the membrane as the picture shows

Explanation:

What is the mass of the object on the triple beam balance?

Answers

Answer:

298

Explanation:

because

Answer: 167

Explanation:

Which of the following correctly shows flow of the energy in this environment ? NEED ASAP

Answers

Answer:

Last answer/option.

Which system is the digestive system least connected to?
A)Nervous
B) Integumentary
C) Circulatory
D) Excretory

Answers

The system that the digestive system is least connected to is the Integumentary which is option B.

In the body, food is broken down into simple, soluble and diffusible substances by mechanical and chemical means through the digestive system.

The alimentary tract of the digestive system is connected to the nervous system. This is because the autonomic nervous system supplies nerves to the alimentary tract and this leads to:

Either increase or decrease of muscular activity, especially peristalsis.Either increase or decrease of glandular secretion.

The circulatory system is connected to the digestive system through blood supply from the arteries and blood drainage through the veins.

The excretory system is connected to the digestive system. this true because  the food substances that have been eaten but cannot be digested and absorbed are excreted from the alimentary canal as faeces by by the process of defecation.

The Integumentary system in an external part of the body which is involves  protection of the body. it dosen't play any role in the digestive system and so its least connected to it.

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How often do spring and neap tides occur?
twice a day
twice a month
every 27.3 days
every 24 hours

Answers

Spring and Neap rides occur twice a month

Spring and neap tides occurs twice a month.

What is the difference between spring and neap tides?

A neap tide refers to a period of moderate tides when the sun and moon are at right angles to each other. A spring tide is a common historical term that has nothing to do with the season of spring.

In the period between the two spring tides, the moon faces the Earth at a right angle to the sun. When this happens, the pull of the sun and the moon are weak. This causes tides that are lower than usual. These tides are known as neap tides.

Spring tides have higher high tides and lower low tides whereas neap tides have lower high tides and higher low tides. Hence, the range (difference in water level between high and low tide) is much larger in a spring tide than in a low tide.

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Look at the protons below. Which could be it's function?

A. storing energy
B. insulating the body
C. forming muscle fiber
D. directing the growth of cells ​

Answers

Answer:

It is c

Explanation:

C forming muscle fiber

Answer: correct answer is c

Explanation:

how do you compare yourself now from before​

Answers

I was young, now I’m old

25+ POINTS!! | NEED HELP ASAP | PLEASE ASSIGNMENT IS DUE SOON


It is in the picture attached

Answers

the rock , because it only has 0.24 gravitational pull

How do I be happy lol

Answers

Answer:

By getting a life

Explanation:

what do you think is the active ingredient in lactaid

Answers

Answer:lactose

Explanation:

because i’m right

Stem cells can become any type of cell in the human body, making them ideal for many types of therapies. One area of possible use is in brain cell transplants that could help people with spinal cord injuries and neurodegenerative diseases such as Parkinson's disease. Even though there is great potential for helping people, what is one ethical issue that could arise from the use of stem cells?

Answers

Answer and Explanation:

Stem cell transplant in the brain is not clinically approved yet. The only scientific and ethical via to generate a treatment is through an approved clinical essay.  Clinical investigation in the stem cell transplant involves an important and long study of the risks and benefits relationship before the treatment begins. However, the transplant is an invasive method directed to the brain that might result in very serious neurological damage, which can not be predicted by the preclinical analysis. Some of the patients treated have shown positive effects, but some others have poorly responded to the treatment. Also, some long-term studies suggest that these transplants might still result in the evolution of the disease together with secondary effects. Also, the transplant might originate cancerous cells, tumors, inadequate cell migration, immune rejection, bleeding during  surgery, and post-surgical infection. Using stem cells for clinical use requires first an ensure that the treatment will result in a long-term improvement of motor function along with a  relief of drug resistance symptoms in animals.

But the bigger problem relies on the origin of these cells. They must be obtained from embryo destruction before it reaches the uterus. This is very controversial and many people are against it due to the fact that it might involve abortion. The murder of a future person.  

Answer:

it would be the procedure for trnsplatting the stem cell

Explanation:giving that it is a riskynoperation if not done with extreme cautions it could cause more damage than good

Which relationship occurs between prey and another organism? (3 points)
Commensalism
Mutualism
Parasitism
Predation

Answers

Answer:

Predation

Explanation:

Answer:

Predation

Explanation:

Predation is the interaction between two organisms in which one organism is harmed which is prey and other organism is benefited who is predator.

In predation, predator kills the prey and consumes it to get energy. Predators by killing their pray control the population of prey in nature and help the ecosystem to remain in a balanced position.

For example, lions hunt deer and eat them. Here lion is the predator and deer is the prey and lions control the overgrowth of deer in the wild by preying in deer. Therefore the correct answer is Predation.

Air is a mixture of freely moving molecules of different gases. peeling an onion releases molecules you can smell into the air. the onion molecules naturally spread out through the air a room by the process of

A. concentration
B. diffusion
C. reacting
D. flowing

Answers

Answer:

I think D but not for sure.

Answer:

its B. By diffusion

Explanation:

which of the following helps an endurance athlete store glycogen​

Answers

Answer:

Where's the following, is there suppose to be an attachment?

Explanation:

??????

I need to see more information to be able to help you.

Convert 6 x 10^8 out of scientific notation.

Answers

Answer:

600000000

Explanation:

How many number is on top of the 10 how many 0s

600 repeating. Hope that helps but it’s 8 ceros

This illustration represents what compound
carbon wide
B
carbon dioxide
carbon monoxide
D
monocarbon acide

Answers

Carbon dioxide because it is and I went over this

Answer:

carbon dioxide

Explanation:

This is a molecule of carbon dioxide. There is one carbon atom and two oxygen atoms. The prefix di- means two.

What are bulging of eyeballs?

Answers

Answer:

bulging nose

Explanation:

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