PLEASE HELP!!!
Which is an effect of environmental factors on natural selection?
A: the size of cattle increasing as a result of breeding practices
B: the shape of birds bills changing to adapt to the type of food available
C: the size of pinecones increasing to help keep squirrels from eating them
D: the markings of a non-venomous snake changing to look like those of a venomous snake

Answers

Answer 1

Answer:

Umm I would think c

Explanation:


Related Questions

Amplify 1.5 force and motion lesson. I NEED HELP!

Answers

Answer:what does that paper mean

Explanation:are u actually in college or is that a job application

Cold air is denser than warm air and therefore has higher what?
1.Air pressure
2.Amount of water vapor
3.Mass
4.Volume
.

Answers

The answer would be 3...mass!

help me pleaaaasseee!!!?? explain how locusts affects crop production and how it can be prevented...​

Answers

I think this will help

Explanation:

good luck. :)

What planet was calculated to exist before it was actually seen?

Answers

Answer:

The planet NEPTUNE  was mathematically predicted before it was directly observed.

Neptune dnenebebebebebebe e

A pea plant that has round seeds has the genotype Rr. It is crossed with a pea plant that has wrinkled seeds and the genotype rr. What is the probability that the offspring will have wrinkled seeds?

Answers

its a 50% chance that the seed will be wrinkled.

Polysaccharides are made of?

a. One glucose molecule
b. Many glucose molecules
c. Many fatty acids
d. DNA

Answers

Answer:

b. Many glucose molecules

Explanation:

poly means many

D definetly
Hopefully this helps you
May God bless you

A strand of DNA consists of 35% adenine. What is the percentage of guanine in that same molecule
of DNA?

Answers

Answer:

Explanation:

We know that the sample is 35% adenine, which tells us that it is also 35% thymine. We know that cytosine and guanine pair together and will be present in equal amounts, so we can divide this final total by 2 to find our answer. The sample is 35% adenine, 35% thymine, 15% guanine, and 15% cytosine.

Answer:

25%

Explanation:

Hope this is helpful!!

A long time ago, farmers discovered that if they grow the same
crops on a field, then after a few years, the crops grow more slowly. Why does
this happen?​

Answers

Answer:

Because they don't have fertilizer.

Explanation:

Well, if this was a long time ago, then farmers did not have fertilizer. So, there are bacteria on the roots of plants that convert nitrogen into a usable form. It's very important for growing, and when farmers harvest the crop, not much of the nitrogen is returned to the land, so it is not as fertile. Fertilizer is largely consisted of nitrogen, so that is why farmers use fertilizers today. But "a long time ago," farmers did not have fertilizer.

Which blood cell is most abundant?

Answers

Red blood cells (also called erythrocytes
hi! red blood cells are the most abundant. they account for up to 40 to 45 percent of the volume in the blood!

hope this helps!:)

I’m not sure if I’m anywhere close to right on this, can someone simply review it and give me feedback? Please! Giving all my points

Answers

Answer:

Your 100% Correct Im an advanced scientist in highschool!

Well Done! Also Im new so sorry if you done trust.

Explanation:

TRUE OR FALSE: Phospholipids that are a part of the nuclear envelope (membrane around the nucleus) can easily move from one part of the cell to another, and may ultimately become part of the cell membrane, the ER, a vesicle membrane, etc. In fact, any phospholipid may be called a "cellular tourist" because it is able to move about to virtually any part of a cell and can even become a part of a cell in a different region of the body! (EXPLAIN WHY)​

Answers

Answer:

False, because phospholipids are a type of lipids and the nuclear envelope contains nucleic acids.

Explanation:

Hope this helps.

It is true that phospholipids that are a part of the nuclear envelope (membrane around the nucleus) can easily move from one part of the cell to another, and may ultimately become part of the cell membrane, the ER, a vesicle membrane, etc.

What is nuclear envelope made of?

The nuclear envelope is made up of two concentric lipid bilayer membranes separated by a 20-40 nm intermembranous space.

In many places, the outer membrane is joined to the rough endoplasmic reticulum. The outer membrane of the nuclear envelope, like the rough ER, is dotted with ribosomes.

The nuclear envelope is made up of two membranes: an outer and an inner phospholipid bilayer. The lumen of the rough endoplasmic reticulum is connected to the thin space between the two layers (RER).

Nuclear pores, which are small channels that run across the nuclear envelope, allow substances to enter and exit the nucleus.

Each pore is lined by a group of proteins known as the nuclear pore complex, which regulates which molecules can enter and exit.

Thus, the given statement is true.

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ALOT OF POINTS! PLEASE HELP I BEG OF YOU!! NO RANDOM ANSWERS PLEASE!!!
1. Give two similarities between each of the skulls that might lead to the conclusion that these are all related species.

Answers

Answer:

here!

Explanation:

the eyes and the beak shape on the skulls are similar throughout all of the species and that circle in between their teeth which may be a gap is consistent throughout the skulls.

Describe What
happens to a planarian when
it is cut into two pieces?

Answers

Planaria can be cut into pieces, and each piece can regenerate into a complete organism. Cells at the location of the wound site proliferate to form a blastema that will differentiate into new tissues and regenerate the missing parts of the piece of the cut planaria.
mark brainlist please

Please help I forgot to study!!!

Answers

pH is a measure of how acidic/basic water is. The range goes from 0 to 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water.

are protein molecules made by ribosomes in the cell

Answers

Answer: yes they are

Explanation:

Answer:

Yes that would be Correct.

Explanation:

The diagram shows the process of osmosis in a beaker model. Only the water molecules could pass through the membrane by osmosis because water molecules________.


a) contain more hydrogen atoms than the other molecules

b) have more energy than protein molecules

c) can pass through the selectively permeable membrane

d) are more numerous than the protein molecules

Answers

Answer:

i think it is C correct me if am wrong


20 POINTS!! easy question! pls help it's biology 1!

Answers

It is the third option

Answer:

C.

please give brainliest

The energy stored in food molecules in living cells is gradually released in a series of linked chemical reactions called a ____________.

Answers

Respiration - The cellular process of releasing energy from food through a series of enzyme-controlled reactions is called respiration . Some of the energy released is used to produce ATP.

The amount of the earth's surface covered by oceans is approximately what ?
A: 1/4
B: 1/3
C: 1/2
D:3/4
E: 4/5
pleaseeee hurry ​

Answers

Answer:

3/4

Explanation:

I would have to say this because earth is covered in about 71% of water and 3/4 is closest to that. :)

The zebra mussel is an invasive species. Which statement is most likely true if the zebra mussel is introduced to a new environment without predators?

A. Zebra mussels will disrupt the community and cause native species to decline as they eat all the food.
B. Zebra mussels will not cause a significant change in the community.
C. Zebra mussels will become part of the climax community.
D. Zebra mussels will become the keystone species.

Answers

Answer:

A.

Explanation:

when given that a species is invasive you can read through the answers and determine which description sounds invasive

Which two statements describe what happens to the nucleus of an atom
during a fission reaction?
A. A small amount of the energy in the nucleus is converted to
mass.
B. Nuclei with small masses combine to form nuclei with larger
masses.
C. Large nuclei break apart into two or more smaller nuclei.
D. Each nucleus formed has fewer protons than the original nucleus
had.
Answer is c and d

Answers

Answer:

Answer is c and d

Explanation:

A negative feedback loop is a reaction that causes a decrease in function. Often, it causes the output of a system to be lessened; so, the feedback tends to stabilize the system. This can be referred to as homeostasis, as in biology, or equilibrium, as in mechanics.

What is baseline imbalance?

This is simply known as a form of art that pertains to systematic error when producing an intervention groups in any clinical trial. In this type of imbalance, the groups differ in baseline traits due to the fact that  the participants were selected or assigned.

There are different ways to balance a load. Why is the figure considered to be an example of a negative feedback system as opposed to a positive feedback system is that The figure shows the correction of an imbalance back to a baseline.

Therefore, A negative feedback loop is a reaction that causes a decrease in function. Often, it causes the output of a system to be lessened; so, the feedback tends to stabilize the system. This can be referred to as homeostasis, as in biology, or equilibrium, as in mechanics.

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The following methods: budding, binary fission, regeneration, and cloning are all ___ reproduction.

A. meiosis
B. Mitosis
C. Variation

Answers

Answer:

Your answer is B) Mitosis.

if an object has a mass of 580g what does it weigh

Answers

Always convert first to kg

So 580 g is 0.58 kg

Now it depends on which planet you are on, to what gravity the planet has. Lets go with Earth so 10N

0.58 x 10= 5.8

Ans) 5.8 N/kg

Evolution is the process by which populations of organisms change over time. How could natural selection lead to evolution?

Answers

Answer:

happy Teddy day I love Teddy

When lions prey on a herd of antelopes, some antelopes are killed and some escape and live to reproduce. Which of the following statements best describes this situation?

A. Natural selection is a random process.

B. Individuals with the best adaptations survive long enough to have offspring.

C. Species remain unchanged throughout time.

D. Individuals pass along acquired characteristics to the next generation.

Answers

Answer:

B.

Explanation:

What is the social function of exposition text?

Answers

Answer:

Exposition is a text that elaborates the writer‘s idea about the phenomenon surrounding. Its social function is to persuade the reader that the idea is important matter.

Explanation:

The area of the cell that is associated with the production of ribosomes is the:
1. nucleolus
2. nucleus
3. nuclear pores

Answers

Answer:

Nucleolus

Explanation:

This is a more technical answer. The Nucleolus is located inside the nucleus and this is the location where the ribosomes are produced. They then leave through the nuclear pores to be sent out into the cell.

The area of the cell that is linked with production of ribosomes is nucleolus. The correct option is 1.

What is nucleolus?

The nucleolus is a circular shape within the nucleus of cells that produces and assembles the cell's ribosomes. Ribosomal RNA genes are also transcribed in the nucleolus.

The nucleolus has the most visible realm in the nucleus of a eukaryotic cell, and its basic task is ribosomal RNA (rRNA) melding and ribosome biogenesis.

The nucleolus, as the site of ribosome biogenesis, is critical to cell metabolic activity.

It is made up of ribosomal DNA (rDNA), which is found in tandem arrays in nucleolus event coordinator regions.

The nucleolus synthesizes ribosomal subunits from proteins and ribosomal RNA, or rRNA.

It then starts sending the subunits to the rest of the cell, where they join together to form complete ribosomes.

Thus, the correct option is 1.

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6. What is the function of the vacuole in a cell?
A.)transports proteins to other locations in the cell
B.) breaks down food and releases energy
C.) stores water, waste products, and food
D.)manufactures proteins

Answers

Answer:

c, vacuoles are storage spaces

Answer:

[tex]vacuole \: in \: a \: cell \: stores \: water, \\ \: waste \: products ,\: and \: food.[/tex]

5.. Which compound is formed as a common product of the process of
photosynthesis? *
A.DNA
B.sugar
C.chlorophyll
D.carbon dioxide

Answers

Answer:

B.Sugar ( Glucose)

Explanation:

I hope this helps!

A compound that is formed as a common product of the process of photosynthesis is sugar (glucose).

What do you mean by Photosynthesis?

Photosynthesis may be defined as a process through which plants utilize carbon dioxide and convert it into glucose in the presence of sunlight.

The reactants of photosynthesis are carbon dioxide and water, while the products are glucose and oxygen.

The reaction of photosynthesis is given below:

[tex]6CO_2 + 12H_2O[/tex] → [tex]C_6H_1_2O_6 + 6O_2 + 6H_2O[/tex]

Therefore, a compound that is formed as a common product of the process of photosynthesis is sugar (glucose).

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The animal-like parasite plasmodium causes the disease

Answers

Answer:

Malaria is the answer

Explanation:

The animal-like parasite plasmodium causes diseases like malaria.

What is malaria?

A parasite that frequently infects a particular species of mosquito that feeds on people can result in a serious and occasionally fatal disease known as malaria.

An obligatory parasite of insects and vertebrates, Plasmodium is a genus of unicellular eukaryotes. The parasite Plasmodium, which causes malaria, is spread via the bite of an infected mosquito.

Malaria often causes severe disease, including high fevers, shivering chills, and flu-like symptoms. Through the bites of female Anopheles mosquitoes carrying the parasites that cause malaria, people can contract this potentially fatal illness. It can be avoided and treated.

Therefore, malaria is brought on by the parasite plasmodium, which resembles an animal.

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