Answer #10
will give brainliest to first response.

We don't know what species are needed for survival.

basically he is stating that biodiversity is important because animals depend on other animals as a food source. so when their diet dies off, they will also die or adapt to their environment to prey on a diff food source.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

can i get the brainliest pls

explanation:

im not in connections yet but i might can you some questions. what grade are you in?