Viruses are considered non-living organisms because:
a. they contain dna
c. they contain rna
b. they cannot reproduce outside a living cell
d. they cause disease

Need will mark ! which features are created by groundwater erosion and deposition? check all that apply. a. stalagmitesb. sinkholesc. rillsd. stalactites e. gullies f. rivers

2. if someone had the list of traits you provided in question 1, do you think he or she would be able to find you in a group of 1000 people? why or why not? if not, what other information encoded in your genes might distinguish you from the others in the group? what are other traits that are encoded for by dna?

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?