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Dmitriy789 [7]
3 years ago
8

Did T. Rex have hair?

Biology
2 answers:
Aloiza [94]3 years ago
8 0

Answer:

No, they did not have hair

Mazyrski [523]3 years ago
5 0

Answer:

rex was covered in a coat of downy feathers

Explanation:

Some mammals did have hair but T. Rex mostly had feathers

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The most apparent difference between modern humans and Australopithecus africanus is that Australopithecus africanus
lara [203]

Answer:

The correct answer is option d.

Explanation:

An extinct species of australopithecine, that is, Australopithecus africanus was the first species to be illustrated. It was of gracile or slender build and was considered to have been the direct ancestor of modern humans. Like modern man, the A. africanus did stood upright and walked upright, and were having free hands to use. However, they were smaller in height and lighter in weight in comparison to modern man.

3 0
2 years ago
Why is cellular respiration important? Multiple Choice It produces oxygen gas, which is essential to cell functions. It breaks d
trapecia [35]

Answer: (c) It generates ATP, which cells can use to do work.

(d) It generates chemical gradients, which have potential energy.

Explanation:

The overall process of Cellular respiration is the aerobic break down of organic compounds (food) with the release of CO2, water and energy in form of ATP which drives most cellular work.

Organic compound + oxygen --------> carbon dioxide + water + energy (ATP + heat)

In cellular respiration during the break down of food in glycolysis and the citric acid cycle, chemical energy (NADH and FADH) are extracted from each cellular process and transported to the electron transport chain built in the inner mitochondrial membrane. The chemical energy harvested from food is transformed into a proton-motive force, a gradient of H+ across the membrane. When this H+ election fall from their gradient via ATP synthase, Chemiosmosis couples this proton motive force to phosphorylate ADP to form ATP.

5 0
3 years ago
A fruit fly has diploid cells with 8 chromosomes. Explain how many chromosomes are in its haploid gametes
Y_Kistochka [10]

Answer:

4

Explanation:

Diploid means 2n

Haploid means n

Here we have 2n=8 (because fruit fly has diploid cells with 8 chromosomes) to get to n which is haploid divide by 2, you get n=4

8 0
3 years ago
Write a CER
Mkey [24]

Answer:

I don't know the ans then also,pls mark me as brainliest

Explanation:

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