Scientists have found another horse fossil called mesohippus which had a shoulder height of 60cm and had 3 toes. make a hypothesis about when you think this fossil lived(measured in millions of years ago) and support your hypothesis with evidence.

Which of the following sex and generation combinations directly produces the pollen tube of angiosperms? a) male gametophyteb) female gametophytec) male sporophyted) female sporophyte

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air