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Ilya [14]
3 years ago
9

A change in an organism's surroundings that causes it to react is called

Biology
2 answers:
Damm [24]3 years ago
7 0
<span>A change in a organism's surroundings that causes the organism to react is called a stimulus</span>
marysya [2.9K]3 years ago
7 0
A stimulus is the change in an organism's surroundings that causes it to react (quickly).

Some examples of stimulus are:
<em />When you touch a boiling pot, <em>you pull your hand quickly</em>.
When an object is falling or thrown towards you, <em>you close your eyes</em> and sometimes <em>you move a side</em>.
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Among coelomates, which of these develops by spiral cleavage and the mouth forms before the anus
nekit [7.7K]

Answer:

Protosomes

Explanation:

Protosome is a multicellular organism whose mouth grows before the anus from a primary embryonic opening which includesphyla mollusk, arthropod or annelid. Protosomes are developed by  spiral cleavage during embryo development.

Protosome animals have bilateral symmetry and three germ layers. Some of the examples of protostomes are snails and slugs (mollusk), earthworms (annelids), and spiders, lobsters, barnacles (arthropods).

Hence, the correct answer is Protosomes .

8 0
3 years ago
Hematopoietic stem cells are _____ cells that develop into _____ cells.
Agata [3.3K]

Answer:

undifferentiated; blood

Explanation:

Hematopoietic stem cells are undifferentiated cells that develop into blood cells.

4 0
2 years ago
The drop in carbon dioxide in your blood that occurs when you hyperventilate is called hypocapnia. It signals a breakdown in the
daser333 [38]

Answer:

Blood cells

Explanation:

Hypocapnia refers to a situation whereby carbon dioxide is at a reduced level in the blood. This phenomenon is usually caused by deep/rapid breathing known as hyperventilation.

It signals a breakdown in the exchange of gases inside your blood cells where the stuff your body doesn’t want is swapped out for the stuff it desperately needs.

8 0
3 years ago
Placing a rat in a cage where electrical shocks over which the rat has no control are occasionally administered through the floo
V125BC [204]
Hello,

Placing a rat in a cage where electrical shocks over which the rat has no control are occasionally administered through the floor is a way to create  →  <span>learned helplessness 

Good luck :)</span>
6 0
3 years ago
When the continents are_, they receive less sunlight
likoan [24]
When the continents are at the Earths poles, they receive less sunlight.
4 0
2 years ago
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