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Mila [183]
4 years ago
12

Why are vestigial structures not removed by natural selection ?

Biology
1 answer:
d1i1m1o1n [39]4 years ago
4 0

Answer:

because natural selection only acts on traits that impact reproductive success.

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Below is a listing of nephron components and associated structures: 1. descending limb of loop of Henle 2. Bowman's capsule 3. c
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Answer:

2. Bowman's capsule

6. proximal tubule

1. descending limb of loop of Henle

4. ascending limb of loop of Henle

5. distal tubule

3. collecting tubule

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There are two main components of a nephron-  

a) Renal Tubule

b) Renal Corpuscle

Renal Tubule –  

The renal tubule emerges from the glomerulus and consists of three sub parts  

a) Proximal Convoluted Tubule (PCT)

b) Henle’s Loop – has descending and an ascending limb

c) Distal Convoluted Tubule (DCT) – last part of nephron

Renal Corpuscle- consists of a glomerulus surrounded by a Bowman’s capsule

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2. Bowman's capsule

6. proximal tubule

1. descending limb of loop of Henle

4. ascending limb of loop of Henle

5. distal tubule

3. collecting tubule

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