2.) unlike photosynthesis, cellular respiration occurs in
a. animal cells only
b. plant cells only
c. prokaryotic cells only
d. all eukaryotic cells

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

According to this food web which of the following would be considered primary consumers