The movement of a substance across a cell membrane from low to high concentration is known as ____.
A. active transport
B. passive transport
C. facilitated diffusion
D. diffusion
During which stage of mitosis does the single cell split into two separate daughter cells?
A. prophase
B. telophase
C. anaphase
D. metaphase
Which of these is not an example of an ecosystem?
A. grassland
B. ozone
C. marine
D. desert
Decomposition occurs fastest in which type of environment?
A. very dry, deoxygenated
B. very dry, oxygenated
C. moist, oxygenated
D. very wet, deoxygenated
In a bird or a bee, the crop is responsible for ____.
A. maintaining balance when perched
B. helping to grind food
C. storing food prior to digestion
D. aiding in flying
One partner benefitting while the other is harmed is what form of symbiotic relationship?
A. parasitism
B. cannibalism
C. predation
D. commensalism
The stigma of a flower serves what purpose?
A. to fertilize
B. to manufacture pollen
C. to collect pollen
D. to bait pollinators
Mycology is defined as the study of ____.
A. parasites
B. fungi
C. microorgansims
D. muscles
Which of these taxonomic ranks is arranged to show broadest, most inclusive to narrowest, most exclusive?
A. phylum, species, order
B. species, genus, family
C. species, family, class
D. kingdom, phylum, class
The ability of an open system to regulate its internal environment to maintain stable conditions is ____.
A. negative feedback
B. biofeedback
C. osmosis
D. homeostasis
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