Q: Plants, fungi, bacteria and archaea cells all have what feature that keeps them rigid that animal cells do not have? Choices: - cytoplasm - cell membrane - plastids - cell walls A:
cell walls

(Question)
Q: Most tunicates live a sessile existence in shallow ocean waters and are suspension feeders. the primary foods of tunicates are plankton and this? Choices: - bacteria - crustaceans - debris - detritus A:
(Answer)
detritus

Ques: Q: A binary molecular compound is made up of two of what? Choices: - compounds - cells - wafers - elements A:
Ans: elements

(Q).
Q: In a food chain, only about 10 percent of what passes to the next level? Choices: - mineral - vitamins - hydrogen - energy A:
(A).
energy

Ques:Q: Which kind of irrigation uses much less water than other methods? Choices: - constant - mist - solar - drip A:

Ans:drip

Q: What are the structural and functional units of the nervous system, which transmit nerve impulses to other cells? Choices: - axions - ions - electrons - neurons A:
neurons