On the Galápagos Islands, Darwin observed tortoises with domed and saddle-shaped shells. How did Darwin’s observations of these tortoises help him form the theory of evolution by natural selection?

Answers

Answer 1
Helped to confirm that environmental changes cannot affect the characteristics of a species.

Related Questions

A student reads that deer mice that migrated to the hills of Nebraska originally had dark colored
coats. Over many years, due to a mutation, the coat color of the mice changed to a lighter color to
blend in easily with the sand. Which argument summarizes the mutation in deer mice?
a) It is a harmful mutation as it caused a change in the original coat color of mice.
b) It is a beneficial mutation as it helped the mice survive in their new surroundings.
C) It is a neutral mutation as the change in coat color did not affect any body functions in the
mice, and only helped the survival of the deer mice living in Nebraska.
d) It is a neutral mutation as only the deer mice living in Nebraska were affected, and all other
populations were unaffected.

Answers

B sorry if it's wronge tbh don't trust me but go with what you think it is

The argument which summarizes the mutation in deer mice is  It is a beneficial mutation as it helped the mice survive in their new surroundings.

What is mutation?

A mutation is a change to an organism's DNA sequence. Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations. Somatic mutations (which happen in body cells) cannot be passed on to offspring, whereas germline mutations (which happen in eggs and sperm) can.

Our cells are constantly undergoing mutations, yet very few of these have any negative effects on our health. Compared to what we typically see in science fiction movies, this is completely different.

A mutation is never so advantageous in real life that it makes someone a superhero or does anything strange like give them wings.

Therefore, The argument which summarizes the mutation in deer mice is  It is a beneficial mutation as it helped the mice survive in their new surroundings.

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In What phase of meiosis does Chromosomal reduction occur?

Answers

anaphase. in anaphase centromers break down and homologous chromosomes separate

Identify three ways in which water is stored.

Answers

Really hope this helps have a great day now, okay?

What do the rabbit, fungus, and tree have in common?

Answers

Answer: The rabbit, fungus, and trees have in common are all multicellular organisms.

Explanation:

The rabbit,fungus and trees have several common features among themselves body organisation(unicellular or multicellular), ecological role etc,

What are the common features of rabbit,fungus and trees?

Since all of them are living organism,the common features are as follows:-

All of them have same body organisation ( multicellular).Same mode of fertilization ( anisogamous)All need oxygen for respiration.All shows cellular metabolism.All of them have consciousness.All of them shows cell division by meiosis or mitosis.All of them show growth and reproduction.

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Asexually reproducing organisms produce offspring that are genetically identical to each other and to the parents. What type of cell division are the offspring a product of?

Answers

Respuesta:

Es  mitotic

Explanation:

Pues la mitosis es un proceso de división celular ligado a la reproducción asexual, en la que únicamente es necesario un individuo para generar descendecia.

Which statement below best describes the role of DNA?
A. It serves as the memory molecule in brain cells
B. It's the main supplier of energy for cells
C. It is used to store energy in the body
D. It carries the information for building proteins

Answers

Answer:

D , option is correct answer hope it helps

Explanation:

d is the correct answer, hope this helps you


PLEASE HELP ASAP WILL RANK BRAINLIEST!!!!

Answers

Answer:

C

Explanation:

The rise in the lines mean that the enzymes still work properly at different rates, but the peaks represent the temperatures and ph they work best at

1. A mixture is a blend of two or more substances that have NOT
A. combined chemically
B. dissolved
C. been mixed together


Please answer as soon as possible !!

Answers

Answer:

A. combined chemically

Explanation:

What would happen to a cell if there was no proteins that went through the membrane?

Answers

Well the cell can die. If the proteins didn’t go through the membrane the nucleus won’t get their nutrients and die.
Sorry if that is wrong

(Don't answer unless u want a ant in ur hair) Why do we need school?

Answers

Answer:who knows

Explanation:

Answer:

So that we can learn and get a job which gives us money then with that money we can see each other and I can get all the cuddles I want lol I’m never gonna let you hang out with your friends mwahahaha >:3

Explanation:

4. How do enzymes affect the speed of a chemical reaction?

Answers

Answer:

Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.

Explanation:

Does anyone have the answers to this lab, PLEASE HELP

Answers

bxjsksvfr dhbebe ehe edie s

What’s order does these go in?

Answers

I dont remember. Please provide more information.

Bottom right eagle on the left side of it frog, then a grass hoper on to of the frog and snake on the other box beside it on the box to the right of the snake a rabbit then lettuce and grass on top

how are bony fish different than the standard fish you may see at the aquarium or market Describe some key characteristics.

Answers

Answer:

At aquarium are usualy Cartilaginous fishes.

Explanation:

Cartilaginous fish have cartilage skeletons, while bonefish have a skeleton that mainly consists of bone.

Bonefish:

Their endoskeleton is completely bone.They have the previous opening of the tipThey can be freshwater or sea fish

Cartilaginous fish:

They are predominantly cartilated in their endoskeletonTheir exoskeleton is placoid (very small denticles coated with lots of sharp enamel)The mouth of these fish is located in the middle

Every part of your DNA codes for proteins.
1. True
2. False

Answers

The portion of the genome that codes for a protein or an RNA is referred to as a gene. Those genes that code for proteins are composed of tri-nucleotide units called codons, each coding for a single amino acid. False

Its FALSEEEEEEEEEEEE!!!!!

feel the heat activity a molecular view

Answers

what exactly is your question?

HELP!! WILL GIVE BRAINLY
Heterozygous for pod shape.
A. SS
B. Ss
C. ss

Answers

Answer:
Ss
Explanation:
A heterozygote has the DOMINANT (S) and RECESSIVE (s) traits both present

can some one helppppppppppppp

Answers

i’m pretty sure it’s the first one because it talks about the structure of its cell and explains how this helps it carry out its function

Answer:

inda

Explanation:

Which represents solar energy?

Answers

Answer:

A I guess... :D

The ice cubes represents the solar energy.

What is Solar energy?

Solar energy is the radiant heat and light from the Sun that is captured by a variety of technologies, including solar architecture, solar thermal energy (including solar water heating), and solar power to produce electricity.

It is a crucial source of renewable energy, and depending on how solar energy is captured, distributed, or transformed into solar power, its technologies are often classified as passive solar or active solar. Utilizing photovoltaic systems, concentrated solar electricity.

A building's orientation toward the Sun, the use of materials with favorable thermal mass or light-dispersing qualities, and the creation of naturally ventilated rooms are all examples of passive solar approaches.

Therefore, The ice cubes represents the solar energy.

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Why is DNA locked in the nucleus of the cell ?

Answers

Answer:

Inside the nucleus lies the blueprint that dictates everything a cell will do and all of the products it will make. This information is stored within DNA. The nucleus sends “commands” to the cell via molecular messengers that translate the information from DNA.

Explanation:

An organism has a haploid number of 36. What is the organism's diploid
number

Answers

Answer:

Image result for What is the organism's diploid number

Diploid is a cell or organism that has paired chromosomes, one from each parent. In humans, cells other than human sex cells, are diploid and have 23 pairs of chromosomes. so it 23

Explanation:i look it up


5. Which of the following is not an organic molecule? *
A.glucose
B.sugar
C.starch
D.carbon dioxide

Answers

Answer:

Carbon Dioxide

Explanation:

I think. I am pretty sure.

Which of these best describes the smooth muscle?

a. muscles that control movements inside your body

b. muscles that provide force to move your bones

c. Tissue in the heart

d. Strong connective tissue that attaches muscle to bone

e. muscles that you cannot control

f. muscles that appear banded

g. muscles under your conscious control ​

Answers

Answer:

Options A , C , E

Hope it helps!!

Smooth muscle is one of the three types of muscles involved in controlling the movements inside your body organs and is involuntary. Thus, options a and e are correct.  

What are smooth muscles?

Smooth muscles are the non-striated muscle that lacks sarcomeres and striations and thus lacks bands. They are found through the internal body structures and have a variety of functions.

The smooth muscles can be found in the walls of the liver, intestines, pancreas, urinary tract, uterus, etc. but not in the heart. They also have a spindle shape that contains only one nucleus in it.

They are not under the control of the organisms and rather are controlled by the nervous system, skeletal system, chemicals, and hormones.

Therefore, the smooth muscles are involuntary muscles that control the internal structure. Options a and e are correct.

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What does the theory of evolution contribute to conservation biology?

A) It helps scientists understand how populations and species are related, and this knowledge can be used to help these populations and species survive.

B) It helps scientists understand how populations and species are related, and this knowledge can be used to capture and breed the fittest organisms in these populations and species.

C) It helps scientists understand how populations and species react to changes in their environment, and this knowledge can be used to help these populations and species survive.

D) It helps scientists understand how populations and species react to changes in their environment, and this knowledge can be used to capture and breed the fittest organisms in these populations and species.

Answers

i’m pretty sure it’s d but it could be c

The answers to The History Of Evolutionary Theory quiz.

1. A. natural selection, migration, and mutation

2. C. the production of pesticide-resistant potatoes.

3. A. It is based on the idea that all life is related.

4. B. It explained how evolution works.

5. B. They can be passed on to offspring.

6. C. the genetic variations that are best suited for their environment

7. D. the best explanation for a set of data and observations

8. C. a change in a population's gene pool

9. C. It helps scientists understand how populations and species react to changes in their environment, and this knowledge can be used to help these populations and species survive.

10. C. When exposed to antibiotics, most bacteria in a population die, but some survive and live to reproduce.

Edge 2021

NEED HELP ASAP
Which of these organism's cells would perform photosynthesis?
S. aureus bacteria
European beech tree
a monitor lizard

Answers

Answer:

aureus bacteria

Explanation:

6. How could a dichotomous be helpful to you if you
were lost in the wilderness?

Answers

help you not eat poisonous plants :)

Explain what you would have to do to the date on your watch if you were tocross over the International Date Line from east to west.
a. Change it to the next day
b. Move it back 1 day
c. Change it to the next year
d. Move it back 1 year

Answers

Answer:

(b)

Explanation:

Which of the following is the correct
chemical formula for glucose?
и
A. C 2 H ₂012
B. CeH1206
C. C12H06
D. C.H.012
и

Answers

Answer:

C6H12O6

Explanation:

This is glucoses formula

Which chemical is a compound ?
A. Hydrogen
B. Helium
C. Nitrogen
D. Hydrochloric acid

Answers

Answer:

It is D

Explanation:

All A,B, and C are a element so D.

The answer is D, Hydrochloric acid.


-Hydrogen (H), a colourless, odourless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements.
- Helium is a chemical element with symbol He and atomic number 2.
-Nitrogen is an element, not a compound. It is found in nature as nitrogen gas, also called dinitrogen, with the chemical formula N2 , and makes up 78% of the atmosphere.

Negative feedback:If oxygen levels are low,then respiration should
A. Increase
B. Decrease​

Answers

Answer:

increase..................

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