Both bacteria and fungi digest food by
A) ingesting previously decomposed molecules.
B) forming food vacuoles through phagocytosis.
C) secreting enzymes and then absorbing the smaller molecules.
D) photosynthesis.
E) eating only small organisms that they can engulf.
C
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Which of following statements about the causes and effects of global warming are accurate?
a. The effects of global warming will be uniform throughout the world. b. In addition to carbon dioxide, other greenhouse gases include methane and nitrous oxide. c. Melting of the Artic permafrost will slow the process of global warming because of new plant growth in those areas. d. The effects of global warming can be measured today. e. Carbon dioxide absorbs short wavelength radiant energy better than long wavelength radiant energy.
Compare the graphs in the figure above of carbon dioxide (CO2) emission for Cormocephalus morsitans and Scutigerina weberi. What hypothesis can you make about each centipede's habitat?
A) C. morsitans lives in a habitat that provides more carbon dioxide than does S. weberi. B) C. morsitans lives in a habitat with more predators than does S. weberi. C) C. morsitans lives in a colder habitat than does S. weberi. D) C. morsitans lives in a drier habitat than does S. weberi.
The cell in micrograph "I" is at which stage of the cell cycle?
a. prophase b. telophase c. interphase d. anaphase e. metaphase
Briefly discuss physiological mechanisms that regulate body temperature in endotherms. What will be an ideal response?