Why did crocodiles survive the k/t extinction?

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

9. the history of life on earth is recorded in