What is common among organisms from samples 1, 9, and 10?
What is common between the circulatory systems of organisms from samples 5, 6, and 7, but is different in organisms from sample 4?
What is common in the respiration systems of the organisms from samples 2 and 4?
What gas is taken in by the respiratory system of organisms from samples 1, 9, and 10? How is it used by these organisms?
According to the table, which organisms are producers (autotrophic)?
According to the table, which organisms are consumers (heterotrophic)?
Which organisms have true blood? Which have a blood-like substance?