Birds and crocodiles share which of the following
characteristics?
a. ectothermy (body temperature regulated by
environment)
b. body hair
c. four-chambered heart
d. lung design
e. light-weight bones
Answer: c
Biology & Microbiology
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Describe the positioning of heartwood versus sapwood
What will be an ideal response?
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A difference in charge between guard cell cytoplasm and extracellular fluid is called ____
a. osmosis b. tension c. turgor d. pressure gradient e. voltage
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Genetic drift that occurs in small, new colonies is called ________
Fill in the blank(s) with correct word
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