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Degger [83]
3 years ago
8

What three human systems interact when you are exercising?

Biology
1 answer:
ale4655 [162]3 years ago
4 0

Answer: The respiratory system, the circulatory system, and the muscular system

Hope this helps :)

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Are physical characteristics of an organism not genetically passed down?
Tomtit [17]
That is false. Physical characteristics of an organism are genetically passed down.

—Evidence—

A characteristic that an organism can pass on to its offspring through its genes.

The set of information that controls a trait; a segment of DNA on a chromosone that codes for a specific trait.

Heredity is the biological process responsible for passing on physical traits from one generation to another.
6 0
3 years ago
What produces egg and sperms cells during the life cycle of a plant
tatyana61 [14]
Gametophyte

The cells from the male and female that combine to form a zygote are called gametes. The main job of the gametophyte is gamete production. Gametes are haploid reproductive cells. Gametes are produced in the sex organs on the haploid gametophyte by mitosis or cellular division without reduction of chromosomes sets. There are two sex organs; archegonium<span> which is found in the female sex organ producing egg cell and </span>antheridium<span> which is found in the male sex organ producing sperm cells.</span>
7 0
3 years ago
Explain why the plant with the mutated psaB gene was dying
erik [133]

As given in the graph, mutation in this gene causes a decline in the production of glucose as it obstruct the process of photosynthesis.

<h3>What is psaB gene?</h3>

P700, the primary electron donor of photosystem I (PSI), as well as the electron acceptors A0, A1, and FX, are bound by PsaA and PsaB.

As given in the graph, mutation in this gene causes a decline in the production of glucose as it obstruct the process of photosynthesis.

Thus, the plant with the mutated psaB gene was dying.

For more details regarding plant mutation, visit:

brainly.com/question/8582748

#SPJ1

4 0
2 years ago
Why are fuel cells better for the environment than fossil<br> fuels?
boyakko [2]

Answer:

option a

Explanation:

because When hydrogen is used to power a fuel cell, the only byproducts are water and heat—no pollutants or greenhouse gases are produced.

5 0
2 years ago
A cell well divide and make two cells that are exactly the same.<br><br> True or False
hichkok12 [17]
False it isn't possible for that to happen and make an exact same copies
6 0
3 years ago
Read 2 more answers
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