All the statements below are correct with one
exception. Select the exception
a. Most animals are mobile at some stage in
their lives.
b. Protists are the simplest of the eukaryotes.
c. All known plants rely on other organisms
for energy.
d. All bacteria are single-celled.
e. All fungi break down their food externally
C
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How do sphagnum mosses contribute to the carbon cycle? Select all correct choices
A. As decomposers, they release large amounts of CO2 into the atmosphere. B. They produce phenols, which release the carbon stored in peat bogs. C. As heterotrophs, they remove large amounts of CO2 from the atmosphere. D. They produce protons, which limit decomposition and CO2 production in peat bogs.
Some protists have a pellicle, which is used for ____
a. defensive purposes b. sexual reproduction c. structural support d. water absorption e. food storage
Many living and fossil species of camelids, a mammal family containing camels, llamas, and alpacas, can be found in the Americas, but only two species can be found in Asia and one can be found in Africa
The part of the world in which the camelids probably evolved is ________. Fill in the blank(s) with correct word
Which of the following represents a blind study?
A) The test group knows whether they are receiving a placebo or the actual treatment, and so do the researchers. B) The test group does not know whether they are receiving a placebo or the actual treatment, but the researchers do. C) The test group knows whether they are receiving a placebo or the actual treatment, but the researchers do not know until all the data are collected. D) Neither the test group nor the researchers know whether the test group is receiving a placebo or the actual treatment until all the data are collected.