Why are biologists still debating the classification of protozoans?
a. biologists never agree on anything
b. there are estimated to be over 50,000 different species
c. protozoans can be heterotrophic or autotrophic
d. protozoans can be unicellular or multicellular

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

List five ways we are indebted to phytoplankton

Explain the cellular functions that occur when antibiotics attack a bacteria cell. a. antibiotics target the cell wall, cell membrane, and the processes of protein and nucleic acids production in bacteria to rupture the cell. b. antibiotics create dormant resistant endospores to preserve the genetic material and rupture the cell. c. antibiotics target the cell wall and form a bridge-like connection to form conjugation. d. antibiotics use binary fission to grow twice its size, replications its dna, and split into two cells.