23. which of the following is a seed-producing plant?

a. protozoans
b. mushroom
c. lichen on rocks
d. moss with sporophyte stalk
e. maple tree

Vessels draining the myocardium of the heart, open primarily ,into which chamber?

Which of the following happened during the precambrian era? the first prokaryotic cells the first eukaryotic cells development of photosynthesis all of the above

Name the organism that belongs to the kingdom protista.