Which object in the Solar System is essentially stationary relative to all the other objects in the Solar System?
A.
the Earth
B.
the Sun
C.
the Moon
D.
an asteroid

Competition occurs between species when

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .