As mature adults, male squid have a modified tentacle that carries their sperm. Sperm are
produced in testes and transferred to this modified appendage prior to mating. During
courtship and mating, the male will insert this tentacle into a structure know as the mantle
cavity of a female, where the eggs are waiting. Fertilization occurs within this body cavity.
Which of the following is true about this scenario?
a. Internal fertilization occurs.
b. External fertilization occurs.
c. These animals have an amniotic egg.
d. both (a) and (c)
A
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The invertebrate phylum having the greatest species diversity is Arthropoda
Indicate whether the statement is true or false
Denitrification ____
a. converts ammonium to nitrates b. reduces nitrates to nitrites c. reduces ammonia to ammonium d. converts atmospheric nitrogen to ammonia e. converts nitrates to nitrogen gas
__________ such as reptiles control core temperature
mainly by behavior. Fill in the blank(s) with the appropriate word(s).
In terms of ATP production, which process results in the most energy?
a) aerobic respiration b) anaerobic respiration c) fermentation d) photosynthesis