D: Where two continental plates are colliding, creating a convergent boundary. One plate slips under the other because of convection currents in the mantle.
The keystone species is the one at the bottom of the pyramid, if we look at it like a pyramid. If the grass dies, then the deer cannot get food and die, and the predator cannot eat and dies, and the whole ecosystem can fall apart.
Can you put the terms as well, please
Answer:
(i)
x= nucleus
y= chloroplasts
z= vacuole
(ii)
1) an animal cell does not contain a vacuole but a plant cell does
2) a plant cell contains chloroplasts but an animal cell does not
The conductor is similar to the nucleus of the cell. Like how the conductor controls the train, the nucleus controls and regulates cell activity.
