What mechanism did Darwin propose to explain the origin of new species?

Answers

Answer 1
Hi!


The nationalism that Darwin proposed for evolution is natural selection!

Related Questions

which macromolecule group is rice apart of?

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The carbohydrate in rice is starch.

Starch is the most common form of carbohydrate in foods.

Starch is made up of long chains of glucose called amylose and amylopectin.

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Give an overall summary of how the cell membrane works. Give at least 3 ideas in your summary.

Answers

Answer:

There are phospholipids. They have 2 tails one who is afraid of water and one that loves waters. The ones who love water stay on the outside. They tightly group together in order to keep water out. On top of the phospholipids are glycoproteins, they mark what is good and what is bad. They allow the nutrient to come in and the waste to keep out (other known as the cell marker). There is also cholesterol that keeps enough space between the tightly packed phospholipids so nutrients can actually get through!!!
If possible please give Brainliest! Have a great day!!! (DO NOT STEAL THIS IS MY ORIGINAL IDEAS (to people who copy and paste))

Explanation:

Answer: The cell membrane is a biological membrane that separates the interior of all cells from the outside environment and protects the cell from its environment. The cell membrane consists of a lipid bilayer, made up of two layers of phospholipids with cholesterols interspersed between them, maintaining appropriate membrane fluidity at various temperatures. The membrane also contains membrane proteins, including integral proteins that span the membrane and serve as membrane transporters, and peripheral proteins that loosely attach to the outer side of the cell membrane, acting as enzymes to facilitate interaction with the cell's environment.

Explanation:

What causes seafloor spreading? A) magma from convection currents B) gas leaks C) tsunamis D) hurricanes

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The answer is A. Heat from the mantle's convection currents makes the crust more plastic and less dense.

Magma from convection currents causes seafloor spreading. So, the correct option is A.

What is Seafloor spreading?

Seafloor spreading or seafloor spread is defined as the process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moved away from the ridge.

It occurs on the Midocene ridge and produces basalt, the rock that forms the oceanic crust where the Mid-Atlantic Ridge and the East Pacific Rise are examples of Midocene ridges. Mid-ocean ridges rise to a distinctive peak 2,700 m below sea level.

Heat from the mantle's convection currents makes the crust more plastic and less dense causing the seafloor spreading.

Thus, Magma from convection currents causes seafloor spreading. So, the correct option is A.

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which macromolecule group is beans apart of?

Answers

Answer:

proteins

Explanation:

Beans are also included in the protein food group because they supply a significant amount of amino acids.

Poor hygiene has the most direct effect on which body system?.

Answers

Answer:

immune system

An immune system of a humans body is something that affects the processes of the human body. It is how there is some form of resistance in the human body. When some things get compromised in regard to health, hygiene and activities, that leads to resistance issues in the human body.

Can someone please help me with this ASAP. I only have 4 minutes to answer.

Answers

Letter 1: Q3
Letter 2: Q1
Letter 3: Q4
Letter 4: Q2

So I’m guessing you just remove the Q?

3142

I’m not sure if this is what you’re supposed to do but I think this is

Discuss one way how gender roles within a relationship could negatively affect an individuals self-esteem

Answers

Answer:

Rules and rugeletion for old people ok thanks

Many tree frog populations are threatened due to habitat loss. In an effort to promote conservation, tree frogs may be bred in captivity. A zoo acquired male and female tree frogs from two different populations. In the zoo, the tree frogs were able to successfully mate within their own population, but breeding attempts between the two populations were unsuccessful.

Based on this information, which statement correctly describes the relationship between the two populations of tree frogs?

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Answer:

They are in the same genus but different species.

Thanks!

Which describes the primary function of the nervous system in keeping the body in homeostasis?

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Answer: The nervous system acts like a highway that transmits information to and from the brain. It communicates what parts of the body might need or not need certain things so that they can be sent to their respective destinations.

Translation transcription nucleus endoplasmic reticulum.

Answers

Answer:

Is this a question?

Explanation:

This is just a bunch of biology words together. If you have a question I can help!

NEED HELP ASAP
Which one of these is a difference between mitosis and meiosis?



Mitosis ends with 4 haploid cells and meiosis ends with 2 diploid cells.


Meiosis only goes through phases one time and mitosis goes through two phases.


Mitosis is when cells exchange genetic material and meiosis is when no genetic material is exchanged.


In mitosis, the number of chromosomes stays the same and in meiosis, the number of chromosomes is halved.

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Answer:

In mitosis, the number of chromosomes stays the same and in meiosis, the number of chromosomes is halved.

Explanation:

How many different cells are in a carrot

Answers

Answer:

Here's how many different  cells are in a carrot!

Explanation:

A carrot is a diploid species, and has nine relatively short, uniform-length chromosomes. (hope this helps!)

_____ is done when an object moves through a distance because of a _____ acting upon the object.

Answers

Answer:

Work

Work is done when an object moves through a distance because of a force acting upon the object. 2. When calculating work, you should use the formula: work = force X distance.

Explanation:

Select the correct answer. What causes the lines to look bent when viewed through the glass of water? A. Transmission B. Refraction C. Reflection D. Absorption E. Absence of color.

Answers

Answer:

refraction

Explanation:

because light travels differently when in water and the image is thus altered

Answer:

B. Refraction

Explanation:

light moves through water differently so thats why when you look through a glass it would be more blurry and more distorted

Beginning with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?.

Answers

Starting with a fertilized egg(zygote), a series of five cell divisions would produce an embryo with 32 cells arranged in the layers.

What process is illustrated by the equation shown above?​

Answers

Answer:

Photosynthesis

Explanation:

Photosynthesis is the process in which plants use carbon dioxide and water to make their food(the sugar), and in the process the also make oxygen that they don't need so they release it back into the atmosphere.

Do echinoderms and vertebrates both have endoskeletons? explain.

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Answer:

Echinoderms have a calcium carbonate endoskeleton, and vertebrates have a bony endoskeleton made of calcium phosphate. have bones mostly made of calcium phosphate.

Explanation:therefore, echinoderms do not have true endoskeletons.

whos the 35 president

Answers

John F. Kennedy was the 35th president

Answer:

John F. Kennedy

Explanation:

John F. Kennedy was the 35th President if the United States.


I hope it helps, have a wonderful day!

Sandra~

Which heart chamber lacks a group of pacemaker cells?.

Answers

The left atrium lacks a group of pace maker cells.

The hormone in males that induces the spermatogonium to begin cell division is.

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The hormone in males that induces the spermatogonium to begin cell division is called the follicle stimulating hormone

Chromosomes that occur in pairs and code for the same traits are called _____________ chromosomes; these do not include the __________________ chromosomes which code for gender.

Answers

Answer:

homologous and s.x

Explanation:

bc it is lol

Is it a or b? i needed 20 character ignore this

Answers

Answer:

B

Explanation:

It tells you on how to spot a diamond

All the following readily pass through the plasma membrane's phospholipid bilayer except not

water
co2 gas
o2 gas
k+

Answers

All the following readily pass through the plasma membrane's phospholipid bilayer except not

Answer:

o2 gas

K+ will not readily pass through the plasma membrane's phospholipid bilayer and is denoted as option D.

What is Phospholipid bilayer?

This is referred to a polar membrane which comprises of two layers of lipid in its structure.

Charged particles such as ions won't readily pass through the plasma membrane's phospholipid bilayer because it is repelled by the hydrophobic tails.

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Where does respiration and photosynthesis take place in the cell.

Answers

Answer:

respiration  - mitochondria, photosynthesis - chloroplasts

Explanation:

Cellular respiration takes place in the mitochondria

Chloroplasts contain a green pigment called chlorophyll which absorb sunlight for photosynthesisi

Some species blend in to their environments
through what

Answers

Answer:

Camouflage, also called cryptic coloration, is a defense or tactic that organisms use to disguise their appearance, usually to blend in with their surroundings. Organisms use camouflage to mask their location, identity, and movement. This allows prey to avoid predators, and for predators to sneak up on prey.

What would the parent plant and seeds run out of if the seeds a plant made only fell right around the plant? (Select all that apply.)
sunlight
water
soil
nutrients

Answers

It would be soul and sunlight cause it sounds more better and it makes more since to me cause or water

Answer :: nutrients , water and soil

Explanation: I went back to the story

How can transgenic organisms help to
achieve social, economic, or environmental
goals? Give one example of a transgenic
organism designed to meet one of these
goals.

Answers

The production of transgenic livestock has the opportunity to significantly improve human health, enhance nutrition, protect the environment, increase animal welfare, and decrease livestock disease. Food crops like soy and corn that have been genetically modified for pest and herbicide resistance.

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A transfer cell has knobby growths extending into the cell that facilitate movement of minerals from its.

Answers

Answer:

A transfer cell has knobby growths extending into the cell that facilitate movement of minerals from its

a. cytoplasm into its vacuole.

b. cytoplasm into its cell wall...

✓ B A transfer cell has knobby growths extending into the cell that facilitate movement of minerals from its [cytoplasm into its cell wall.]

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Explanation:

How many amino acids exist?
A.20
b. 10
C. 5
d. 100

Answers

Answer:

A.20

Explanation:

Hope this helped!! <3

Natural selection requires that individuals in a population are

Answers

Answer:

Diverse

Explanation:

Natural selection can better occur when individuals are more naturally diverse.

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The angle of ABC is how many degrees Which of the following was NOT a cause of Communism failinga. Workers gained the right to vote c. Nationalism b. Too much industry to be controlled d. Workers could buy more Fill in the BLANK:On the Industrial revolution What causes dark circles around the eyes in adults. Marcella states that the product of 11.759.69 and 24.205 is approximately 290,000. Whichmethod should be used to check her answerA. round the numbers to 11,000 and 20, then multiplyB. round the numbers to 12,000 and 20, then multiplyC. round the numbers to 11,000 and 24, then multiplyD. round the numbers to 12,000 and 24, then multiply How many triangles can be formed with segments measuring 9.125 ft, 15.378 ft, and 24.503 ft?noneonemore than one Which statement describes the narrative voice of this paragraph? the paragraph has a first-person narrator offering thoughts and feelings. The paragraph has a second-person narrator addressing the reader. The paragraph has a third-person narrator sharing observations. The paragraph has an omniscient narrator with knowledge of the future. wo neighboring homeowners, , 2, simultaneously choose how many hours to spend maintaining a beautiful lawn. The average benefit per hour is pretty pls help me! pls god bless who ever answers 9. The equations below represent the total amount charged, y, by two different plumbers as a function of the number of hours worked, XPlumber A: y = 20x + 60Plumber B: y = 40xThe graphs of these functions cross at the point (3, 120). What does the point (3,120) signify? 0.15(w+2)=0.3+0.2w I need help 3a(2 + a) when a=5Answer????? What caused Maggie's injuries?A. She was accidently shot.B. She was run over by a car.C. She was burned in a house fire.D. She fell from the roof. Which language has greater influence on Middle English?. A fully shaded model represents 100%. Which model is shaded to represent 4/5 PLSSS NEED THIS NOW How were African American congressmen during Reconstruction treateddifferently from other congressmen? I need the answers? Pls help! The greek word hypnos in the term sedative hypnotics refers to the ability of these drugs to induce __________. what is the lateral surface area area of a cuboid Would the coupling of the processes shown below be found in a eukaryotic cell? explain why or why not. A diagram of transcription and translation in a eukaryotic cell. Four rna polymerases located one after another in short distances transcribe a strand of dna in the direction from left to right. A polyribosome, comprised of several ribosomes, is attached to every rna polymerase. Each ribosome is located on the mrna strand like beads and translates mrna into polypeptides. The 5 prime end of mrna does not contain any ribosomes and is the first to appear during transcription. Drag the terms on the left to the appropriate blanks on the right to complete the sentence. What are some risk factors for mental illness? Select all correct answers. Question 5 options: having a family member with depression or anxiety experiencing a traumatic event going to a school with clear expectations being able to solve problems on one's own.