The phylum with endoderm, mesoderm, and ectoderm is
a. cnidaria.
b. porifera.
c. platyhelminthes.
d. all of the above.

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?

What kinds of foods are high in lipids?