How does natural selection provide a mechanism for evolution to occur?​

Answers

Answer 1

Answer:

Explanation: If resources are limited in nature than only the organisms that adapt to their surroundings will survive- Darwin's studies proved these theories.


Related Questions

you get brainliest if you answer right

Answers

Answer:

Br, Zn, Sc, Ca, K

Explanation:

ez

do all DNA from organisms look the same?

Answers

Answer:

no they do not

Explanation:

Why am I so saddened

Answers

Answer:

stress

Explanation:

u are studying some things that are keeping u sad

and if u don't open up ur gonna suffer from anxiety

Answer:

Try meditation it helps

Explanation:

School makes everyone sad dw.

what is the difference between sexual and asexual reproduction for plants and animals?​

Answers

Answer:

That is the main difference between sexual and asexual reproduction. Sexual reproduction just means combining genetic material from two parents. Asexual reproduction produces offspring genetically identical to the one parent.


Phylum Mollusca has organisms with tubed feet.

Answers

Answer:

The phylum of mollusks includes more than 50000 known species, found in freshwater ... Echinoderms have a water vascular system originally used to collect and ... by expanding or contracting their rows of tube feet in a particular sequence.

Explanation:

true

Of the alternate energy sources you have learned about, which one do you think is the most likely to become a part of our country's future. Why do you feel this way?

Answers

It’s energy of genetics your welcome lol

Answer:

probably water wheels

Explanation:

Is baking soda organic or inorganic explain why?

Answers

Answer:

Inorganic

Explanation:

Baking soda can be found as a naturally occurring compound, but is more frequently manufactured from other naturally derived materials, like trona ore. Baking soda can be produced by the reaction of carbon dioxide and soda ash, a naturally occurring mineral. To my knowledge there is not an “organic” baking soda.

A human liver cell has a different size and shape from a human muscle cell. What is the best explanation for these differences?
A. The cells perform different functions.
OB. One of the cells is used to reproduce more cells while the other is not.
OC. One type of cell develops into the other type of cell.
OD. One of the cells must have come from another species.

Answers

Answer:

A

Explanation:

A human liver cell would have a different size and shape from a human muscle cell because they perform different functions in the body.

The shape a cell would assume and its size depends on the function the cell performs. The functions of the liver in the body of humans differ greatly from the functions of muscles. While the former helps in detoxification, deamination, digestion, etc., the latter helps in support, movement, etc.

The correct option is A.

A human liver cell has a different size and shape from a human muscle cell because the cells perform different functions.

CELL:

Cell is the basic and fundamental unit of life. It is the simplest level of organization of an organism.

Cells contain organelles that help them perform specific functions. Organs are made up of numerous cells.

Similar cells perform similar functions while dissimilar cells perform dissimilar functions.

Therefore, a human liver cell has a different size and shape from a human muscle cell because the cells perform different functions.

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How the nervous and endocrine systems maintain homeostasis?

Answers

Answer:

Hope this helps :D

Explanation:

Homeostasis is the process of how you have a controlled body temperature.

The nervous system detects that your body temperature is falling (or rising) so the endocrine system send the chemical messengers (hormones) to bring the body temperature back to normal.

what is the benefit of the pigments in photosynthesis​

Answers

Answer:

Because they interact with light to absorb only certain wavelengths, pigments are useful to plants and other autotrophs --organisms which make their own food using photosynthesis. In plants, algae, and cyanobacteria, pigments are the means by which the energy of sunlight is captured for photosynthesis.

Explanation:

Answer:

energy

Explanation:

Because they interact with light to absorb only certain wavelengths, pigments are useful to plants and other autotrophs --organisms which make their own food using photosynthesis. In plants, algae, and cyanobacteria, pigments are the means by which the energy of sunlight is captured for photosynthesis.

I need help pls hook me up

Answers

Answer:

B. Madreporite

Explanation:

Describe how energy flows through an energy pyramid? Write your answer in the space provided below.

Answers

Answer:

Depending on the food pyramid, on the side there may be something that says decomposers. These eat from all of the sections of the pyramid.

Energy flows from the bottom to the top, and then to the side with the decomposer.

The exchange of carbon dioxide and oxygen during Photosynthesis and cellular respiration worldwide helps to keep atmospheric oxygen and carbon dioxide at what level

Answers

Answer:

Stable levels....

Explanation:

The exchange of carbon dioxide and oxygen during photosynthesis (Figure below) and cellular respiration worldwide helps to keep atmospheric oxygen and carbon dioxide at stable levels. Cellular respiration and photosynthesis are direct opposite reactions.

hope it helps you

pls mark me as branliest

Which of the following is not a technological way of improving air quality?
a.
using electrostatic precipitators
b.
installing solar panels
c.
composting
d.
building wind turbines

Answers

Answer:

c.

composting

Explanation:

Composting is not a technological way of improving air quality (Option C).

What is air quality?

Air quality refers to the absence of pollutant substances (e.g. monoxide carbon) in the air.

Air quality is fundamental for maintaining overall health and increasing the quality of life.

Air quality can be measured by using different devices or indicators (for example, by measuring the amount of carbon monoxide and nitrogen oxides).

In conclusion, composting is not a technological way of improving air quality (Option C).

Learn more about air quality here:

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What seismic hazard is a form of structural failure?

Answers

Pancaking - shaking that causes a building's supporting walls to collapse and the upper floors to fall one on top of the other like a stack of pancakes.

Answer:Pancaking - shaking that causes a building's supporting walls to collapse and the upper floors to fall one on top of the other like a stack of pancakes.

Explanation:

What is a trait called when it is controlled by more than one gene? O A. Adaptive O B. Disruptive O C. Polygenic O D. Flowing​

Answers

Answer:

The answer is C. Polygenic


Which of the following is not a factor that affects biodiversity?
a - land area
b- climate
c- diversity of niches
d- cancer fighting drugs

Answers

Answer:

B. duhhhh

Explanation:

Help me with this. Please.

Answers

Answer:

25%

Explanation:

Answer:

There is a 50% chance on getting a dominant trait

Explanation:

If the sun is so massive, why does the Earth have a greater pull on the moon than
the sun does?

Answers

Answer:

Even though the sun is much more massive and therefore has stronger overall gravity than the moon, the moon is closer to the earth so that its gravitational gradient is stronger than that of the sun

A 100 kg box is initially at rest on a level surface. One 10 N force acts on the box , directed toward the right. A second 10 N force acts simultaneously on the box , directed toward the left , as shown.

Answers

The box would stay at rest where it lies since the same amount of force is pulling it in opposite directions :)

Since 10 N forces are acting from both sides, these are balanced forces and the box will not move because balanced forces are acting on it. So the correct option is D.

What are balanced forces?

Forces that are equal in magnitude and opposing in direction are said to be balanced forces. Equilibrium is seen as a condition of balanced forces. There is no shift in direction when the forces are in balance.

Balanced combined forces have always been equal to zero. These are vectors for merging. Balance forces cannot alter an object's momentum or direction.

An item is kept traveling at a constant speed by a balanced force. In it, Newton's First Law of Motion is explained. A good illustration of a balanced force is a book on the table. The normal force (support force) of the table balances out the weight of the book. The two forces are exactly equal and opposed to one another.

While forces that are balanced can keep an item at rest or move at a steady speed, unequal forces can cause things to accelerate.

Therefore the correct option is D.

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Finding fossils in an area can help us learn what about that location?
a
OOOO
Which places in the region receive the most sunlight
The effect of the climate on the formation of soil
How modern plants and animals interact there
The kinds of organisms that lived there fong ago

Answers

Answer: D. The kinds of organisms that lived there long ago.

Explanation: Finding fossils in an area can help us learn about the kinds of organisms that lived there long ago. The fossil leave traces behind about what type of animal lived there and who the animal was.

Cells reproduce by splitting in half a process called cell division what do you cells need between divisions to make sure that they don’t get smaller and smaller

Answers

A cell must grow and the DNA must be copied so there is a full set of DNA to pass on to the daughter cells

Explain how a person could be born with an XX karyotype but develop male sex characteristics. Be specific.

Answers

Answer:

SRY-positive 46,XX testicular disorder of sex development.

Explanation:

If a fetus is conceived from a sperm cell with an X chromosome bearing the SRY gene, it will develop as a male despite not having a Y chromosome.

all you need is in the photo ​

Answers

Answer:

There are seven essential processes in common: movement, respiration, sensitivity, growth, reproduction, excretion and nutrition or MRS GREN.

but i think the answer is D

Explanation:

PLEASE HELP. What is the half life of the element in the picture?

Answers

I think you have it right but im not 100% sure

Help plz! To identify a species, you must first do what?

Answers

Answer:

look at the animal and or fossil and relate it to others

Explanation:

Answer:

To identify the species you must first need to find following things -

I) whether the organisms is unicellular or multicellular

ii) Mode of nutrition

iii) Place where it lives

if) Body structure.

Studying which of the following would provide the best evidence that two organisms share a common ancestor?
A: Amino acid sequence
B: Dietary preferences
C: Habitat requirements
D: Social group interactions​

Answers

Answer:

A

Explanation:

Studying amino acid sequences would provide the best evidence that two organisms share a common ancestor.

Amino acid sequence is a series of bases with different letters usually four(A T C G or U)  this letter contains information of an individual when translated.

The amino acid sequence of 2 or more individuals can be compare to each other through the process called Blasting using a tool called Blast

Blast generates alignments or similarities between a amino acid or protein sequence.

For organisms that are phylogenetically close i.e related by an ancestor, there will be similarities between their DNA sequences when compared. The amino acid sequence of an individual contains the information of the individual and it is unique for each individual.

Hence, amino acids sequence provides the best evidence of organisms sharing a common ancestor.

for further details on amino acid sequence kindly check https://brainly.com/question/14366221

 

The union of a sperm and an egg during the life cycle of a jellyfish is best described as
a
b
ОООО
sexual reproduction
genetic inheritance.
asexual reproduction,
genetic engineering,
d

Answers

Answer:

Sexual reproduction and asexual reproduction

Explanation:

this is because the jellyfish takes on two different body forms that is medusa and polyps. polyps produce asexually by budding while medusa pawn eggs and sperm to produce sexually

Sexual reproduction and asexual reproduction

The diagram below shows different layers of sedimentary rocks.

Based on the diagram, which of these inferences is most likely correct?

A Layer B is older than Layer G

B Layer F is older than Layer D

C Layer A and Layer B were formed at the same time

D Layer D and Layer C were formed at the same time

Answers

B layer f is older than later D

Answer:

B. Layer F is older than Layer D

Explanation:

What is the purpose of a crime scene barrier?

Answers

Answer:

The purpose of a crime scene barrier is to keep the public well back from any crime scene

Explanation:

1. the crime scene area or location is secured, and: a. yellow barrier tape is used to create an outer perimeter and if necessary, a staging or mobilization area when determined appropriate.

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