omg, i’m sorry. more help please!?? thanks all.?

a candidate for major of a large city proposed that the city stop spending money to encourage people to ride public transportation. he argued that the money was no longer needed because air-pollution levels in the city had dropped significantly. his opponent disagreed. identify a logical flaw in the candidates argument that the opponent can use to support his case. what additional data might help voters decide who was right?

a rough-coated male guinea pig was crossed with a homozygous smooth-coated female (rr). their offspring are rough-coated and smooth-coated in a 1:1 ratio. use a punnet square to calculate the genotype of the male parent.

natural selection causes…

a.changes in the environment.

b.plants and animals to produce more offspring than can survive

c.changes in the frequency of certain alleles in a population.

d. or all of the above.

omg, i’m sorry. more help please!?? thanks all.?

omg, i’m sorry. more help please!?? thanks all.?

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