Mentioning the eyes of the flatworm and the chambered nautilus as examples of "intermediate" stages in eye evolution does NOT imply that the human eye evolved from the precise kind of eyes now found in those living forms. Why do you think that these examples are mentioned in the video?

German cockroaches, bulging eyes, bu, are recessive to normal eyes, bu , and curved wings, cv, are recessive to straight wings, cv . both traits are encoded by autosomal genes that are linked. a cockroach has genotype bu bu cv cv, and the genes are in repulsion. which set of genes will be found in the most common gametes produced by this cockroach?

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

Are the earth's ocean floor and continents the same age geologically? why or why not?