The visceral mass of molluscs does not contain the
a. circulatory system.
b. excretory system.
c. nervous system.
d. head-foot.
e. digestive system.
D
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Explain why individuals with cystic fibrosis have different levels of severity of the disease
What will be an ideal response?
If the paternal genotype is homozygote dominant and the maternal genotype is homozygous recessive, what is the probability that the offspring will be homozygous dominant?
a. 1/2 b. 3/4 c. zero d. 1/4
Which evolutionary process occurs when the hybrids in a hybrid zone are as fit as either of the parental populations?
a. fusion b. blended c. stability d. equilibrium e. reinforcement
A behavior that has evolved to aid relatives, although at personal risk, and thus increases the chance of your genes being passed on to the next generation is known as
A. altricial behavior. B. adaptive behavior. C. kin selection. D. operant conditioning. E. instinctive behavior.