Answer:
Chromosomes condense before mitosis to allow them the ability to move smoothly, without becoming entangled and breaking. (So, they are conveniently packaged for cell division, in which the chromosomes must move to both poles of the cell.)
Explanation:Otherwise it would be a mess as they get tightly packed
These are the regions of the earth that are occupied by living organisms.
Hope this helps you!!^_^
Answer:
Yes ,corals depend on the zooxanthellae (algae) that grow inside of them for oxygen and other things, and since these algae needs sunlight to survive, corals also need sunlight to survive.
The ribsome is where translation happens.
Breeding or more precisely artificial breeding is done in both plants and animals. Plants and animals with superior qualities are chosen and allowed to interbreed to produce superior quality breed. The major benefit is to meet the demands of increasing population i.e., with the help of selective breeding techniques we can increase the yield of milk from cows or the agricultural yield can be enhanced. We can introduce pest and insect resistance traits in plants. Superior breed of chickens can be made which produce large size eggs.