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kow [346]
4 years ago
10

PLEASE HEP WITH ASTRONOMY HOMEWORK

Biology
1 answer:
expeople1 [14]4 years ago
8 0
The equator receives the most sun because of earth’s tilt. Since it’s in the center, it will get the most sun year round. This is also means the equator doesn’t have much seasonal changes, which is why it’s great for people who have seasonal depression.
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If an organism's haploid number is 12, its diploid number is
Blababa [14]

B - 24

Haploid cells have only one set of chromosomes while diploid cells have two

5 0
3 years ago
The inability of organisms to evolve anything that could be an advantage reflects _____.
sergey [27]

The inability of organisms to evolve anything that could be an advantage reflects "the limit of historical constraints".

<h3>What is the limit of historical constraints of evolution?</h3>

Although evolution is a powerful process that leads to

rapid changes in the characteristics of organisms, limits

to evolution arise from a lack of genetic variation, a

loss of well-adapted genotypes in populations due to

gene flow, trait interactions leading to trade-offs, and/

or the difficulty of evolving simultaneous changes in a

number of traits. This is the limit of historical constraints of evolution.

<h3>What are the factors that can cause an organism to evolve?</h3>

Four main factors lead to evolution:

(1) the potential for a species to diversify;

(2) heritable genetic variation among individuals within a species as a result of mutation and sexual reproduction;

(3) competition for scarce resources; and

(4) the spread of organisms that are better able to endure and procreate in the environment.

To learn  more about evolution visit:

brainly.com/question/12051929

#SPJ4

4 0
2 years ago
Gİ EXERCISE
patriot [66]

Answer:

1) To form a multicellular organism, a zygote must divide into 16 cells which produces ball structure called a morula. After that, morula is converted into a structure called blastula.

2) Adult stem cells are responsible for the maintenance of tissues and repair the damage tissues in the body. It is also called somatic stem tissue. It increase in number through cell division.

3 0
3 years ago
The function of chordae tendineae is:
Free_Kalibri [48]

Answer:

The correct answer will be option-E.

Explanation:

Chordae tendinae are the string-like structure in the heart which is composed of dense regular connective tissue called collagen and elastin proteins. They arise from the papillary muscles of the heart and branches out in the ventricle portion of the heart.

These play an important role in the closure of the AV valves to prevent the backward flow of the blood to the atria during ventricular contraction by holding cusps of the valve into the dome-shaped structure.

Thus, option-E is the correct answer.

3 0
3 years ago
In aerobic respiration, what is the direct source of energy that ATP synthase uses to synthesize ATP?
dexar [7]
A. electron gradient
6 0
3 years ago
Read 2 more answers
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