Compare and contrast characteristics of amphibians and reptiles. Include morphological structures,
differences in reproduction, respiration, circulation, and their habitats. What will be an ideal response?
Concepts to Consider: Most amphibians are reptiles, are tetrapods, and many have tails; the skin of
amphibians is moist and participates in gas exchange, whereas reptiles rely on lungs; many amphibians
lay eggs in water, and larvae known as tadpoles are free-swimming; reptiles lay amniotic eggs;
amphibians have a three-chambered heart, and some reptiles have a four-chambered heart (the
remainder have three chambers); because of their reproductive habits, most amphibians must return to
water to lay eggs; reptiles typically bury their shelled eggs and may thrive in arid habitats.
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Darwin referred to the evolutionary origin of angiosperms as an “abominable mystery,” because they seem to appear
suddenly in the fossil record.
a. True b. False
Answer the question using the accompanying figure. Which lake zone(s) support(s) detritivores and decomposers, but
not photosynthesizers?
a. A only b. B only c. C only d. A and B e. B and C
Unlike other gymnosperms, gnetophytes have which of the following?
a. vessel elements in their xylem b. separate male and female gametes c. seeds exposed on modified leaves d. small spores that germinate
Which of the following major divisions of geologic time is mismatched with the organisms that flourished during that time period?
A. Mesozoic Era-Age of Reptiles B. Holocene epoch-The Age of Man C. Cambrian Period-Age of Fish D. Carboniferous Period-Age of Amphibians