Water plants—> crayfish—> raccoon—> alligator Orchid—> mosquito—> frog—> alligator
Describe three ways in which alligators get matter in this ecosystem (only one source can be through food)

What is the name of the two satelites on mars

When analyzing tree rings, what do scientists assume a thin ring indicates?

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.