What most determines the types of plants and animals that inhabit a land-based biome?

choose exactly two answers that are correct.

a.
the air pressure

b.
the level of nitrogen in the air

c.
the amount of precipitation

d.
the temperature

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.