Which example illustrates darwins main contribution to the theory of evolution ?

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Answer 1

Answer: I don't see an example here but his main idea of the Theory of Evolution was natural selection, otherwise known as Survival of the Fittest.

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A population of 1,000 birds exists on a small Pacific island. Some of the birds are yellow, a characteristic determined by a recessive allele. The others are green, a characteristic determined by a dominant allele. A hurricane on the island kills most of the birds from this population. Only 10 remain, and those birds all have yellow feathers. Which of the following statements is true?

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Answer:

Option B

Explanation:

Please see the attachment

What did Charles Darwin mean when he stated that some organisms were 'more fit' than other organisms?A) some organisms were heavier and stronger
B) some organisms were more likely to reproduce
C) not all organisms had the same natural life span
D) not all organisms were equally suited to gathering food

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When Charles Darwin stated that some organisms were 'more fit' than other organisms, he meant that some organisms were more likely to reproduce. He meant that some organisms are more likely to pass on more desirable and useful traits to offspring than other organisms. The correct answer is letter "B."

Answer:

Explanation:

Prior to 1850, the melanic form of the peppered moth in Europe was:______.

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very rare !!! hope this helps

Rare hope this helps !

what happens during implantation? &The embryo is developed enough to be called a fetus at the end of which stage?

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by the Time the zygote reaches the uterus, the dividing ball of cells has separated into two sections.The inner group of cells will become the embryo. The outer group will become the cells that nourish and protect it.
2. The embryonic period

What is the difference between the cardiovascular system and the respiratory system.

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The cardiovascular system focuses more on pumping blood all throughout the parts of the body which mean the heart, capillaries, veins, and arteries are all involved in this. The Respiratory System is all about the gas exchange that is happening in your body which involves the lungs, oral and nasal cavities.

Why is cartilage important

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cartilage is important because it severs, several functions, including providing a framework upon which bone deposition can begin and supplying smooth surfaces for the movement of articulating bones.