________ are large-scale communities in which the vegetation is determined by long-term patterns of temperature and precipitation
Fill in the blank(s) with correct word
Biomes
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In what way do nitrogen compounds differ from other minerals needed by plants? Only nitrogen _____
A) can be lost from the soil B) can be provided by symbiotic bacteria C) is needed for protein synthesis D) is held by cation exchange capacity in the soil E) can be absorbed by root hairs
You cross a true-breeding stock of black BB. mice with skinny (SS) toes to a stock of white bb. mice with fat (ss) toes. From this, you produce an F1 generation of black mice with skinny toes (Bb, Ss)
If the single genes responsible for coat color and toe appearance do not sort independently, then you would expect to see: A. more than 75% of your F2 black mice with skinny toes. B. more than 25% of your F2 black mice with fat toes.
The IMViC series of biochemical tests are used to identify the Enterobacteriaceae.
a. true b. false
Arthropods _____.
a) have an exoskeleton and paired jointed appendages b) are segmented worms like earthworms and leeches c) have radical symmetry d) are the simplest animals with organs and organ systems