How are organisms classified? (circle all that apply) a) Based on genetic study
b) By anatomical features
c) To reflect theoretical evolutionary relationships
d) According to color
e) Based on where they live

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system

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

Me with biology endocrine system crossword also image left i need with hw