on to land Flashcards
1
Q
when did dinosaurs first appear
A
dinosaurs first appeared in the fossil record approximately 250-300 mya.
2
Q
what is a food chain
A
a food chain is the sequence of who eats whom in a biological community to obtain nutrition
3
Q
what is a network of many food chains
A
a food web
4
Q
give an example of a binomial name
A
tyrannosaurus rex
