Question

identifying central idea - instruction - level d
why can leeches drink a lot? add the key detail to the chart
key detail
a leech is a small animal that sticks to peoples skin and drinks their blood
key detail
?
main idea
leeches have three jaws and hundreds of tiny, sharp teeth
leeches have the ability to keep drinking when they are full
leeches have stuff in their spit that keeps blood flowing

Explanation:

Leeches can drink a lot due to physiological adaptations. Having three jaws and hundreds of tiny, sharp teeth helps them access blood easily. Their ability to keep drinking when full and substances in their spit that keep blood flowing also contribute to their large - volume blood - drinking capacity.

Answer:

Leeches have three jaws and hundreds of tiny, sharp teeth; Leeches have the ability to keep drinking when they are full; Leeches have stuff in their spit that keeps blood flowing.