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NISA [10]
3 years ago
13

Why are sponges considered as parazoa ​

Biology
1 answer:
ser-zykov [4K]3 years ago
7 0

Answer:

Sponge parazoans are unique invertebrate animals characterized by porous bodies. This interesting feature allows a sponge to filter food and nutrients from water as it passes through its pores.

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Shana is a competitive athlete who weighs 135 lb. she would like to plan a nutritionally adequate diet that provides enough carb
prisoha [69]
The correct answer is d.

Carbohydrates are a very important part of an athlete's diet, since they provide the necessary energy for competition and endurance, but also help in the process of muscle gain.

The amount of carbohydrates that Shana should consume depend heavily on the intensity of her exercise activities. For a moderate level of exercise, which equals to 1 hour of exercise daily, a person should consume 5-7 g/kg of body weight. For a high level of exercise (1-3 hours of daily exercise), a person should consume 6-10 g/kg.

Guessing that Shana will perform a high level of exercise and based on her weight (135 lb or 61.2 kg), Shana should consume 366 to 610 g of carbohydrates daily.
6 0
3 years ago
State the role of meiosis in humans
Harlamova29_29 [7]
Meiosis is the process by which sperm cells and egg cells are produced. In the male, meiosis takes place after puberty.
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3 years ago
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Consider the differential equation dy/dx = (y - y^2)/x.
Vika [28.1K]
We need to show that y = x/(x + c) is a solution of dy/dx = (y - y^2)/x. Then, 

<span>dy/dx = ((x + c) * 1 - x * 1)/(x + c)^2 </span>
<span>= (x + c - x)/(x + c)^2 </span>
<span>= c/(x + c)^2 </span>

<span>and </span>

<span>(y - y^2)/x = (x/(x + c) - x^2/(x + c)^2)/x </span>
<span>= (x(x + c) - x^2)/(x(x + c)^2) </span>
<span>= (x^2 + cx - x^2)/(x(x + c)^2) </span>
<span>= cx/(x(x + c)^2) </span>
<span>= c/(x + c)^2 </span>

<span>which proves the equality. </span>
7 0
3 years ago
A _ sample is taken from the entire population without a person choosing each person
Sergeeva-Olga [200]

Answer:

each person chooses one

Explanation:

each family for example will go on to choose one another

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3 years ago
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That looks about right to me
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