What do the cells of a Streptococcus bacterium and a dog have in common? A. chloroplasts

B. nucleus

C. mitochondria

D. ribosomes

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.