coincided in time with the:
A) massive eruptions of deep-sea vents
B) melting that ended the “snowball Earth” period
C) switch to an oxidizing atmosphere
D) origin of multicellular organisms
E) origin of prokaryotes

I think it’s C but idk

An explanation for the evolution of insect wings suggest that wings began as lateral extensions of the body that were used as heat dissipaters for thermoregulation. When they had become sufficiently large, these extensions became useful for gliding through the air, and selection later refined them as flight-producing wings. If this hypothesis is correct, insect wings could best be described as
A) mutations
B) adaptations
C) exaptations
D) examples of natural selection’s predictive ability
E) isolating mechanisms

I think its B but I want to make sure

If one organ is an exaptation of another organ, then what must be true of these two organs?
A) they are undergoing convergent evolution
B) they have the same function
C) they are homologous organs
D) they are both vestigial organs
E) they are found together in the same hybrid species

C?

The existence of evolutionary trends, such as increasing body sizes among horse species, is evidence that
A) in particular enviornments, similar adaptations can be beneficial in more than one species
B) evolution generally progresses toward some predetermined goal
C) a larger volume-to-surface area ratio is beneficial to all mammals
D) evolution always tends toward increased complexity or increased size
E) an unseen guiding force is at work

I think it’s… A? not sure

help?
im 14 too lol
and ty! i just like being 100% sure