Question

What is created from mitosis in animals?

A.
egg and sperm cells

B.
gametes that are identical

C.
four identical nuclei

D.
two identical nuclei

Answer 1

it's B

Answer 2

In plants, cellulose is a rigid tube that allows plants to maintain their form.

Which similar structure and support system is found in insects?

A.
cytoskeleton

B.
endoskeleton

C.
exoskeleton

D.
musculoskeleton

Answer 3

Exoskeleton is a similar structure and support system is found in insects

Answer 4

How do the muscles in the human body help with movement?

A.
They squeeze the bones.

B.
The tendons on the muscles help pull the bones.

C.
The ligaments on the muscles push the bones apart.

D.
They help the bones bend.

Answer 5

They pull on bones through tendons.

Answer 6

Which animal has tracheae but no lungs for respiration?

A.
cardinal

B.
toad

C.
grasshopper

D.
tuna

Answer 7

I think C. grasshopper because they don't have lungs they have spiracles, but I could be wrong.

Answer 8

tuna is a fish. fish have gills and grasshoppers don't have lungs they have spiracles just as Masoneiix said

Answer 9

From which structures do oxygen immediately enter the blood system ?

A.
nostrils

B.
bronchi

C.
alveoli

D.
veins

Answer 10

the one before is grasshoppers. 100% sure

Answer 11

the last question is C

Answer 12

The hydra has an incomplete digestive system.

How does the hydra remove undigested food?

A.
It pulls food out with its tentacles.

B.
It diffuses food through its outer layer.

C.
It expels food by using a special opening for that purpose.

D.
It pushes out food through an opening, which is also used to bring in food.

Answer 13

the hydra remove undigested food as it pushes out food through an opening, which is also used to bring in food

Answer 14

... for the first one it should have been D....