What is the first letter in every genus name

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

Modern whales developed their traits through natural selection what occurs during the process of natural selection

Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean