One advantage to being an ectotherm is that an ectotherm
a) can reduce its body heat by sweating
b) needs less energy to maintain homeostasis
c) can generate its own body heat
d) can survive easily in colder climates
Ans: b) needs less energy to maintain homeostasis
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The cell membrane is composed of a ________ bilayer. This molecule has regions that are polar and nonpolar and is therefore ________.
Fill in the blank(s) with the appropriate word(s).
What would a comparison of prokaryotic and eukaryotic cells reveal?
a. That they both have a cell wall. b. That they both have a nucleus. c. That they both have an endomembrane system. d. That they both have DNA.
The progression of species that would take place in an abandoned field is called ________
Fill in the blank(s) with correct word
Production of sperm in males by the process of meiosis and maturation.
What will be an ideal response?