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Nimfa-mama [501]
3 years ago
15

What does the circulatory system do??

Biology
2 answers:
jonny [76]3 years ago
8 0
answer: the circulatory system helps transfer oxygen and also delivers nutrient molecules
frez [133]3 years ago
8 0

 Moves blood around the body

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6 0
3 years ago
A plant scientist was hired by a greenhouse operator to devise a way to force iris plants to bloom in the short days of winter.
Ksju [112]

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Interrupt the long winter nights with a brief period of light.

Explanation:

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3 years ago
An insect's egg is fertilized internally.<br>true or false?​
NARA [144]

Answer:

False

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because internal fertilisation occurs in most bony fish, many reptiles, some cartilaginous fish, most amphibians, two mammals, and all birds. Reptiles and insects produce leathery eggs, while birds and turtles produce eggs with high concentrations of calcium carbonate in the shell, making them hard.

4 0
2 years ago
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