Which soil region tends to accumulate mineral ions but relatively little organic matter, and is generally penetrated by mature tree roots?
a. A horizon
b. B horizon
c. C horizon
d. D horizon
e. O horizon
B
Biology & Microbiology
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In some plants, companion cells become modified into phloem cells that facilitate the short-distance
transport of various organic solutes from the symplast into the apoplast.
Indicate whether the statement is true or false.
Biology & Microbiology
The anterior end of a tapeworm is known as the:a
protonephridia. b. proglottid. c. cnidocyte. d. auricle. e. scolex.
Biology & Microbiology
What did Stanley Miller's simulation of Earth's early conditions produce?
A. living cells B. amino acids C. plants D. DNA molecules E. RNA molecules
Biology & Microbiology
Mesophyll tissue is part of the root system of a plant.
Answer the following statement true (T) or false (F)
Biology & Microbiology