Q: From where have the earliest ocean plants thought to have evolved? Choices: - green pepinia ancestor - simple coral ancestor - simple alga ancestor - green alga ancestor A:
green alga ancestor

(Question)
Q: How many sets of chromosomes does each somatic cell have? Choices: - one - four - six - two A:
(Answer)
two

Ques: Q: What is the smallest aromatic hydrocarbon? Choices: - furan - sulfide - phosphate - benzene A:
Ans: benzene

(Q).
Q: What do you call the hard case that surrounds the soft parts of some animals? Choices: - muscles - shell - membrane - exoskeleton A:
(A).
exoskeleton

Ques:Q: What is the water that falls from the sky called? Choices: - evaporation - condensation - moisture - precipitation A:

Ans:precipitation

Ques:Q: What disease can too little calcium cause? Choices: - anemia - arthritis - psoriasis - osteoporosis A:

Ans:
osteoporosis