Answer:
#2 is B #3 is
Explanation:
Plant cells have cell walls around them, and animal cells don't have cell walls. The cell walls give plant cells their boxy shapes. That's nice for plants, because it gives them the ability to grow up and out, where they can get lots of sunlight for making their food.
The nucleus maintains the integrity of genes and controls the activities of the cell by regulating gene expression- the nucleus is, therefore, the control center of the cell.
The answer would be Asexual Reproduction. This form only requires one organism, they germinate and birth their offspring, without the need of a Female or Male, speeding up the reproduction process
Good luck :)
Answer:
1st is correct
Explanation:
At its simplest, a dog's digestive system is a long tunnel that runs from their mouth to the anus. Food goes in at the mouth and travels through this tube and at various stages is broken down and either absorbed into the body or excreted as waste at the anus.
mostly collagen and some calcium phosphate
the nitrogen cycle involves decompisition. and the waste from the animals is then turned into nitrogen.
