A dikaryotic cell
a. is a spore.
b. results from nuclear fusion.
c. contains nuclei of two different mating types.
d. becomes a zygote.
e. becomes a gamete.
Answer: c
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a. Cellulose b. Glycogen c. Glucose d. Lignin e. Starch
Exotic species that are introduced into a non-native habitat can ____
a. interbreed with native species b. drive endemic species to extinction c. die out due to competition from native species d. blend in with endemic species e. create habitat islands for themselves
The average global temperature has risen ________ over the past 100 years
A) 3°C B) 10°C C) 5°C D) 1°C
The combustion of fossil fuels is altering the balance between photosynthesis and ________.
A. sunlight B. respiration C. growth D. decomposition