Chromista . A. send their energy out in pulses like a heartbeat
B. are found only in the Mediterranean Ocean
C. can be found in the desert
D. are found in very watery environments

Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.