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Free_Kalibri [48]
3 years ago
15

What are the 3 types of scientific models

Biology
1 answer:
Rus_ich [418]3 years ago
4 0
Visual, mathematical, and computer models.
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Anybody know how to do this?​
liq [111]

Answer:

Sorry

Explanation:

Sorry I don’t understand to so I can’t help you

4 0
3 years ago
How many chambers does the heart contain?<br> a. 3<br> b. 4<br> c. 5<br> d. 6
madam [21]


The best answer is b.  4

The human heart has  four chambers - two atria and two ventricles.

1. Right atrium -  receives oxygen-poor blood from the body and pumps it to the right ventricle.

2. Right ventricle -  pumps oxygen-poor blood to the heart.

3. Left atrium - receive oxygen - rich blood from the  lungs.

4. Left ventricle - pumps oxygen rich blood to the body.

The heart is a muscular organ. It is about the size of a closed fist. It is located in the thoracic cavity. It is protected by the rib cage and is the major organ of the circulatory system.



8 0
3 years ago
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An action potential will not occur unless the membrane potential at the ____________ (the initial segement of the axon) reaches
Artemon [7]
An action potential will not occur unless the membrane potential AT THE VOLTAGE GATED SODIUM CHANNEL reaches a level called THRESHOLD.
An action potential refers to the change in the electrical potential which occurs as a result of the passage of impulses along the membrane of muscle cells or nerve cells. An action potential occurs when there is depolarization of the cell membrane to the threshold stage.
7 0
3 years ago
Which of the following must occur in order for an ecosystem to continue to exist?
STatiana [176]

Answer:

A, the populations of producers and decomposers should be stable

Explanation:

The other three do not fit, only reasonable one is A

8 0
3 years ago
Explain how an ecosystem works within its environment.  Please
joja [24]
An ecosystem is the biotic and abiotic factors which are responsible for the survival of an animal
8 0
3 years ago
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