Which geologic principle is the reason the top stratum in a section of rock is the youngest?

1. What do bone marrow and the epidermis have in common? They are both sites of new cell formation. They both contain structures that assist the body in cooling down if overheating occurs. They both contain or are associated with sensory neurons.

Speciation that results from the formation of a geographic feature that isolates some members of a population from other members is an example of: a. allopatric speciation b. directed speciation c. stabilizing speciation d. sympatric speciation

Why can mutations in bacteria be a bad thing

After suffering an eye injury during a lacrosse match, gregg is forced to wear an eye patch. in addition to problems with depth perception, gregg's ophthalmologist tells him that his blind spot will be more evident.

Bedouin culture dictates that male guests aren't invited into the bedouin home. why?

A wolf pack hunts, kills, and feeds on a moose. In this interaction, the moose is a A. host. B. prey. C. mutualist. D. predator.

Which traits does DNA contain code for? inherited traits dominant traits recessive traits or personality traits

In fishes, pharyngeal pouches may develop into

What are the genotype so of a homozygous tall (tt) and a heterozygous tall (tt) ?

How many years would it take the Atlantic Ocean to grow 500 centimeters