Most female mammals undergo a(n) __________ cycle,which includes the time during which the female is behaviorally and physiologically receptive to the male.
A) implantation
B) estrus
C) fertilization
D) menstrual
E) vaginal
Correct Answer:
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Q23: The major excretory product of most mammals
Q24: The protein that accumulates to form claws,horns,hooves,and
Q25: A portion of the tubule system of
Q26: The excretory organs of mammals are
A)protonephridia.
B)renal glands.
C)green
Q27: Mammalian glands called _ glands secrete pheromones.
A)eccrine
B)endocrine
C)musk
D)mammary
E)apocrine
Q29: Muscles called _ are responsible for making
Q30: Mammalian teeth specialized for gnawing or nipping
Q31: In members of the mammalian order Carnivora,the
Q32: _ is a period of winter-long inactivity
Q33: Mammalian teeth specialized for catching,killing,or tearing prey
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