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Vlada [557]
4 years ago
8

24 Notocords is restricted to tregona) Hemichordatesc) Cephalochordatesd)ALL Chordates​

Biology
1 answer:
victus00 [196]4 years ago
4 0
All chordates. a notochord is present at some point in all chordates but sometimes is lost or becomes another structure, like vertebrae

Also idk what “Tregon” so hopefully that didn’t stray from my answer being right
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Which statement best compares the moon and Earth? Group of answer choices
Anna007 [38]

Answer:

To be honest, it's optional so hope these answers will work for ya!

Explanation:

*Earth has atmosphere and life while the moon doesn't

*Earth has weather and seasonal changes

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Earth: wind, water, ice, and heat

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*Landscape:

Earth: of course we all know... -._-.

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<em>HOPE THIS STILL WORKS! ˋ( ° ▽、° ) </em>

8 0
3 years ago
Some animals shiver as a natural, involuntary response to their environment. Shivering generates heat. This is an example of whi
anyanavicka [17]

Answer: The answer is C!!! :D maintaining homeostasis by regulating the body's temp!

Explanation:

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Homeostasis refers to the maintenance of a relatively constant body environment. The normal range of operation of the body system is known as the setpoint.

When the setpoint temperature for some animals is breached, a negative feedback mechanism is used to return it to the setpoint. Shivering to generate heat is a response to a cold environment when the body's temperature is about to drop below the setpoint.

The oppositeis sweating. Sweating causes cooling and comes in response to when the setpoint temperature is exceeded.

Hopes this helps happy early Christmas!!!! :D

8 0
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