The bottom number of your target heart rate range tells you a. the minimum heart rate for cardiovascular exercise b. the maximum heart rate for cardiovascular exercise c. the mid range rate for cardiovascular exercise d. your heart rate at rest

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime

How does a gymnosperm prevent itself from pollinating the same tree

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.