The basic structural unit of the nervous system is the

A. axon.

B. neuron.

C. red blood cell.

D. white blood cell.

A bee pollinating a flower or a plover cleaning the teeth of a crocodile are examples

Which structures are found only in prokaryotic cells

All organisms on earth require a source of energy to live. ATP is the fuel that powers all the activities of cells on earth. Which statement Best describes how ferns, people and flatworms obtain energy?

That you are scientist studying DNA

What does the first law of thermodynamics state?

How does mccandless compared with the other wanderers?

If an individual inherits two of the same alleles, either both recessive or both dominant for a particular trait, the inherited genotype is what

What aspects of abundance do population density and population size measure, respectively?

What's an example of a multicellular producer

Are microorganisms alive and do microorganisms affect humans