Sketch the following organisms and label the anterior, posterior, dorsal, and ventral sides
A) Human
B) Cat
C) Clam
D) Grasshopper
E) Earthworm

Average annual precipitation and are the two major features that define the biomes on earth.

Why is excretion necessary to maintain homeostasis?

If the rna molecule in a human has the nucleotide sequence of guu, this would the amino acid valine would be needed to make the protein. how would this cha process was occurring in a mushroom?