Which of the following protists are correctly paired with their mode of
locomotion?
1. paramecium, cilia
2. amoebae, flagella
3. volvox, pseudopodia
4. euglenas, cilia

Isolated volcanic peaks on the ocean floor are

Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because

Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.