The above figure is a photograph of
a. plant with root nodules.
b. mycorrhizae.
c. root hairs.
d. demonstration of the effect of mutualistic
Rhizobium.
e. microscopic view of a nodule forming around
area where the bacterium infect.
Answer: a
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Which will require a longer time to kill?
A. a smaller population of microorganisms B. a larger population of microorganisms C. Killing will be equally as rapid in a large or a small microbial population. D. There is no way to predict which will require a longer kill time.
Supralittoral isopods
a. must have some salt water cover daily. b. would drown if placed in water. c. return to the sea to lay eggs. d. have pseudogills. e. prey on barnacles.
Alternative forms of a gene are known as
A) alleles. B) genes. C) loci. D) spores. E) haplotypes.
Which kingdom is characterized by organisms that are heterotrophic by ingestion?
A. Animal B. Plant C. Fungi D. Protists E. Prokaryotes