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Tanzania [10]
3 years ago
11

Why does a pregnant woman need more energy than a woman who isn't pregnant

Biology
1 answer:
Alekssandra [29.7K]3 years ago
4 0
To help the baby develop.
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True or false evolution occurs when there is a change in the gene pool of a population
disa [49]

Answer:

False

Explanation:

It might mean:

1. There was a population bottleneck such as a mass death event

2. Antigenic drift - changes in prevalence of some gene types due to random chance

4 0
3 years ago
In a positive-feedback system where hormone a alters the amount of protein x,
ozzi
An increase in A produces and increase in X

This is a positive feed back mechanism. This mechanism enhance or amplify changes. This tends to alter the balance away from equilibrium because one hormone will increase the release of the other hormone. An example of this is the child birth. During labor, oxytocin is released to increase the uterine contraction the release of oxytoocin will be induced by the contractions of uterus. This will go on until the child was born. Just remember positive feedback enhance the original stimulus.
6 0
3 years ago
Which of the following describes porifera?
andrew11 [14]
Both C and D is correct !

but the most appropriate will be D !
5 0
3 years ago
According to myplate, how many servings from the grain group should a moderately active female who needs 2,000 calories daily co
maxonik [38]
<span>A moderately active female who requires 2,000 calories a day is advised to consume six servings from the grains food group. This is as stated by MyPlate, the current nutrition guide reported by the food circle “USDA Center for Nutrition Policy and Promotion”.</span>
7 0
4 years ago
What is the answer to this question?
SIZIF [17.4K]
It should be 4. As we can see the relative reactivity of enzymes increase in skins a which has a basic rnvironment. Correct me if I’m wrong please. Thanks
4 0
3 years ago
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