The prolonged low temperature exposure required for the germination of some seeds:a
is typical of coconuts.
b. provides an alternative to the process of imbibition.
c. prevents them from growing in flooded, anaerobic soils.
d. allows the seeds to conserve limited food stores.
e. ensures that the seeds germinate in spring, rather than in fall.
e
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Which is associated with the inability to produce factor VIII in the blood?
A. hemophilia A B. Duchenne muscular dystrophy C. Williams syndrome D. trisomy 21 E. color blindness
Keystone species
a) occur only in intertidal zones b) can be removed from a habitat without any impact on the remaining species in the habitat c) play an unusually important role in determining the species composition in a habitat d) are primary produces, and therefore, are usually plants e) are more expendable than commensal species, from a conservation perspective
The peripheral nervous system is composed of the ____.
A. brain and spinal cord B. brain and somatic nerves C. spinal cord and somatic nerves D. spinal nerves and cranial nerves E. spinal cord and spinal nerves
Which of the following is a transfer of genes between non-homologous chromosomes?
A) duplication B) crossing over C) deletion D) inversion E) translocation