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ValentinkaMS [17]
3 years ago
10

What are the three characteristics of all vertebrates

Biology
1 answer:
Rudiy273 years ago
6 0
Notchochord, morphology, chordates
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The outer boundary of most cells is called​
Gre4nikov [31]

Answer:

Cell membrane

Explanation:

The cell membrane is a flexible and permeable skin surrounding a cell.

8 0
3 years ago
What do you think are the biggest advantages & disadvantages regarding the kind of technology we have access to in the early
ziro4ka [17]

Answer:

  • <u>one </u><u>among </u><u>the </u><u>biggest</u><u> </u><u>advantage</u><u> </u><u>of </u><u>technology</u><u> </u><u>is </u><u>increasing</u><u> </u><u>and </u><u>improvement</u><u> </u><u>of </u><u>living</u><u> </u><u>standard</u><u> </u><u>of </u><u>people</u>
  • <u>and </u><u>the </u><u>biggest</u><u> </u><u>disadvantage</u><u> </u><u>of </u><u>technology</u><u> </u><u>is </u><u>unemployment</u><u> </u><u>because</u><u> </u><u>machines </u><u>replaced</u><u> </u><u>human </u><u>labor</u>
5 0
2 years ago
Which describes the 23 pairs of human chromosomes?
Zigmanuir [339]

Answer:

option B

Explanation:

there are 22 pair of autosome and 2 pair of sex chromosome

3 0
3 years ago
Which hormone causes the re-growth of the endometrial lining of the uterus?
ioda

Answer:

The answer is Estrogen.

Explanation:

The hormone that causes the new growth of the endometrial lining of the uterus is ESTROGEN. During the first days of menstruation, estrogen levels are low; In the middle of the follicular phase the follicle that is going to ovulate has already been selected, is when estrogen levels begin to rise. It is considered as an index of the fertile period of the menstrual cycle. Glandular proliferation occurs at the endometrial level (Proliferative phase).

3 0
3 years ago
What are the 5 postulates to Natural Selection?
Sveta_85 [38]

Answer:

- Individuals are variable.

- Some variations are passed down.

- More offspring are produced than can survive;

- Survival and reproduction are not random.

- The history of earth is long.

Explanation:

8 0
3 years ago
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