First one is digestive system
second one is lion fish
i dont know the third one. im sorry
Any flowering plant of the class Dicotyledones having two embryonic seed leaves, flower parts in fours or fives, and net-veined leaves: includes most broad-leaved flowering trees and plants.
A good topic idea that could be used can be about ecosystems. Such as how geographic area, plants, animals, weather and landscape make up the types of organisms in that specific ecosystem.