Ugh this is due soon so help?

Thanks <3

Asquare kilometer of forest has 200 deer. what is the term that is used to describe this number?

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees

Which group of protists would be most likely to have cilia as adults and why? (1 point)the sporozoan protists would since they have to spread their spores around.the heterotrophic protists would since they use them to gather food.the parasitic protists would since they need to find other organisms to attack.the autotrophic protists would since they must move to find light.