Malaria, which causes symptoms such as headache, dizziness and diarrhea is caused by a(n) a. animal-like protist. b. plant-like protist. c. fungus-like protist. d. bacterium.

Although animals share many common characteristics, there is also a great amount of diversity found in animals. which animals are ectothermic, obtain dissolved oxygen in water through gills, have scales, have fins, and live in water?

Blood cells bring oxygen to cells and take carbon dioxide away. true or false

American college students invented football by combining what two sports?