If a cell did not have these parts, it might have difficulty moving around.
a. cilia and flagella
b. ribosomes and nucleus
c. cilia and cytoskeleton
d. mitochondria and cytoplasm

What major structure can be used to tell apart the embryos of acoelomates pseudocoelomates and coelomates?

Which situation would most likely result in evolution? question 2 options: an alligator has no alleles for scales. a large population loses a few individuals. a single individual joins a large population. a predator prefers one phenotype to another.

What are charcteristics of lithosphere?