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3 years ago

Describe the benefits of physical activity for three different body systems

1 answer:

6 0

Respiratory systemas your activity level increases your lungs begin to work more efficiently, pulling in larger amounts of air and increasing the amount of oxygen delivered to your bodycardiovascular system<span>regular physical activity strengthens the hear muscle so that it pumps blood more efficiently.
</span>musculoskeletal system<span>physical activity strengthens muscles and bones, reducing your risk of developing fragile bones as you age.</span>

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What implications need to be considered when creating environmental policies?

butalik [34]

Answer:

Is the benefit worth the cost?

Explanation:

Environmental policies application has to lead to some economic cost.

When coming up with this policies, the effect that this policies shall have towards environmental protection shall be considered.

The cost and economic effect that this policies shall cause should also be looked at.

If a policy causes insignificant change towards environmental protection and at the same time the costs are too high, then the policy should be dropped.

If a policy has got significant impact and costs less, the it should be taken.

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3 years ago

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Cells produce ATP both aerobically and anaerobically. One process is an integral part of aerobic respiration that produces the m

zaharov [31]

Cellular Respiration I think

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3 years ago

In cats, black fur color is caused by an X-linked allele; the other allele at this locus causes orange color. The heterozygote i

allochka39001 [22]

Answer:

A) tortoiseshell female; black male

Explanation:

Females have two X chromosomes and males have an X and a Y chromosome.

<u>The possible genotypes and phenotypes are</u>:

XᵒXᵒ: black female
XᵒY: black male
XᴼXᴼ: orange female
XᴼY: orange male
XᵒXᴼ: tortoiseshell female

<u>Cross of a black female and an orange male</u>

The female only produces Xᵒ gametes. The male produces Xᴼ and Y.

The possible offspring therefore is: XᵒXᴼ (tortoiseshell females) and XᵒY (black males). The answer is A.

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3 years ago

If I have a forest composed of 481 species of trees, each with a known abundances, how many events are there in the sample space

Art [367]

There are two events,
A: the selection belongs to the specific species, or
A' : the selection does not belong to the specific species.

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3 years ago

Which of the following can typically decrease genetic variation?

lapo4ka [179]

QUESTION:Which of the following can typically decrease genetic variation?

toxins

predator-prey relationships

competition

new habitat

disasters

increased food supply

ANSWER:

1. toxins

2.predator- prey relationships

3.competition

4.new habitats

5. disasters

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2 years ago