Is all bacteria bad?

question 1 options:

yes, most will get you sick

most bacteria are good as long as there are in the "multi-cellular" form.

most bacteria is actually not very well known.

no, most is good or harmless

Give the biological term for: structures that display characteristics of living organisms only within living cells

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.