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Mamont248 [21]
2 years ago
14

When Charles Darwin considered wings of birds, he famously propose 1 ): Google. hhmi biointeractive great transition heime 17:28

the origins tetra pods" Darwin considered some of the unique structures found in modern animals, like the feathered as, he famously proposed that modern animals must have evolved from earlier forms that lacked those structures. He also predicted (Fill in the blank with one of the statements below.)
a. that it would be impossible to find fossil evidence for this idea because the fossil record is so incomplete.
b. that genetic evidence would show that all organisms share a common ancestor.
C. that fossils would be found with structures that are intermediate between early and modern forms.
d. that fossil evidence would instead show that all modern animals have always existed in their present form.
Biology
1 answer:
serg [7]2 years ago
7 0

When Charles Darwin considered wings of birds, apart from his famous proposal he also predicted that fossils will be found with structures that are intermediate between early and modern form.

Answer: Option C

<u>Explanation:</u>

Charles Darwin was basically referring to transitional Fossil while considering Wings of bird. So what are transitional fossil? They are the fossil remains of both the ancestral group and the descendant group.  

Since we don’t have enough record of the fossils, it is very difficult to know the accuracy of transitional fossil.  However, we do have some record of fossils from which we can gather enough evidence of how the fossils where earlier and how it evolved over a period of time.  

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If the area had experienced a wet season two years after the drought instead of a dry season,
fiasKO [112]

Answer:

It might become wet land over time. (It might also change migration)

Explanation:

4 0
2 years ago
What 3 molecules that aren't DNA helps us learn about evolution?
max2010maxim [7]
We know, DNA is the main molecule by which scientists can learn about evolution by comparing the DNA structure between two different organisms. 
But, in addition to DNA (which is most helpful & important) still, there are 3 molecules that can help us, They are:

1) RNA : - It is found in cytoplasm, as DNA transfers it's codes into RNA during Central dogma, it can help us in evolution studies.

2) Proteins: - Another helpful feature, into which RNA transforms in Central Dogma.

3) Pseudogenes: - It is also known as "Non-coding DNA" It is extra <span>DNA in a genome that do not get transcribed into RNA to synthesize proteins. They can also help us in Evolutionary studies.

Hope this helps!</span>
4 0
3 years ago
Part 1: crossing beak color and tail-feather length cross a yyll (heterozygous parent with dominant traits) with yyll (homozygou
Luba_88 [7]
Since you forgot to put capital letters i assume it's like this:

1)A <span>Cross between YyLl (heterozygous parent with dominant traits) and yyll (homozygous parent with recessive traits).

</span><span> 2)offspring YyLl: 400, Yyll: 100, yyLl: 100 and yyll: 400

</span>The recombinant offspring are allele combinations that are not directly inherited from the parents.
The parents combinations:<span>YyLl and yyll,
</span>The recombinant combinations: Yyll and yyLl
The other types are exacly like the parents so they are not recombinant.

answer: Yyll and yyLl


3 0
3 years ago
A genetic mutation causes a newt to have faster reflexes. After many generations, most of the newt population has the reflex mut
timurjin [86]

Answer:

C

Explanation:

Because the newts with this mutation have faster reflexes, they are able to evade predators much better than the normal newts. This increases their chances of survival hence are more likely to reach reproductive age than the normal newts. Therefore they have a higher probability of passing their genes to the next generations. With each generation, newts with the mutated gene will increase.

4 0
2 years ago
Sclerenchyma cells provide support to what type of plants?
lesya [120]
Any plant that have ceased elongation. Ex. Hemp and flax
7 0
3 years ago
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