We know viruses are not alive because a. they cannot make proteins
b. they are not cellular
c. they cannot use energy
d. all of the above

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kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse