All parts of a nonvascular plant must be near a
because it doesn't have
long roots.

A. water source
B. heat source
C. food source
D. air source

Classify the structures as homologous or analogous, depending on their structure and function.

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 .

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material