Answer:
smaller single celled organisms have a high surface area to volume ratio cause surface area to the volume ratio smaller as the cell grows larger. if a sell grow beyond the limit not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume
Answer:
D because all the other statements are true
The answer is ATP Hope this helps and if you can mark as brainliest that would be great! :)
Answer:
Macrophages working slowly , makes bacterial infections difficult to defeat.
How old is the cat?
Cats like play hunting so if they cat has toys try doing that
Maybe the cat has to use the bathroom put it near its litter box
Maybe the cat is in pain make sure everything is ok on the cat
Maybe the cat wants cuddles and pets try that
Hope i helped