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Firdavs [7]
3 years ago
13

Why do scientists consider vestigial structures (like a human appendix) evidence for evolution?

Biology
1 answer:
qaws [65]3 years ago
4 0

Answer:

vestigial structures are considered evidence because scientists believe they are structures that were once used by a species ancestors but are not longer needed. these structures do not impair the organism in any way, so there is no need for evolution to get rid of them. for example, the human appendix is considered a vestigial structure.

Explanation:

:D

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After a landslide, only bare rock is
Volgvan

Answer:

B

Explanation:

After a landslide, only bare rock is

left. What type of succession is this?

A. final

B. primary

C. aquatic

its b

3 0
3 years ago
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How might mendel's conclusions have differed if he had studied two traits determined by alleles carried on the same chromosome?
tekilochka [14]
He w<span>ould not have seen segregation of alleles and so would not have Mendel's Law of Segregation.
A dihybrid cross would give in the F2 a ratio of 3:1 instead of 9:3:3:1.(assuming no crossing over) </span>
7 0
3 years ago
If the body temperature of a person is recorded as 37 degrees Celsius, what is the persons body temperature in k? Round your ans
maw [93]

Answer:

The right answer to this question is: 310k

Explanation:

There's a very good formula that can help us to find this answer, but first, we need to know the temperature scale  in Celsius and Kelvin, there's an image below that will help us gather information.

The formula is quite simple, check it below:

C/5  = K-273/5

putting the values we already have in the formula it would be like this:

37/5 = K-273/5

Cutting out the fives, we can have the final result

37= K-273

37+273 = K

K= 310.

7 0
3 years ago
1. What type of response will a red blood cell have when placed in a hypertonic solution?
GalinKa [24]
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When the red blood cell is put into it, since the cell has a higher water potential than the solution, water molecules will flow from the cell back into the water due to osmosis.

Osmosis is always where water molecules flow from a region of higher water potential to lower, through a semi permeable membrane (Whcih is the red blood cell membrane in this case.)

Since water flowed out of the cell, the cell lose water and shrinks.

Hypotonic solution is where the solution that has a higher water potential than the cell cytoplasm.

So when the red blood cell is put in that solution, the water will flow from the solution into the cell this time, by osmosis.

The red blood cell will then gain so much water that the cell membrane cannot hold all and therefore burst.
7 0
3 years ago
A tamping iron is used for?
mixer [17]

Answer:

An iron rod used for beating down the earthy substance in tamping for blasting.

6 0
3 years ago
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