Ferns, roots, and fronds grow from __________. Fill in the blank(s) with the appropriate word(s)
rhizomes
Biology & Microbiology
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Which substance will absorb hydrogen from a solution? a. Base b. Acid c. All of these choices
d. None of these choices. e. Buffer
Biology & Microbiology
The femur in a snake and pelvis in a whale are examples of structures.
A. analogous B. homeotic C. vestigial D. heterologous E. homologous
Biology & Microbiology
What do the bacteria living in root nodules
supply to their host plant?
a. nitrogen b. phosphorous c. oxygen d. sugars e. more than one of these
Biology & Microbiology
Using the illustration above and the
assumption that half of a plant's sperm and eggs are a and half are A, one can predict that the chance of sperm a meeting egg A at fertilization is a. 1/2 ? 1/2. b. 25 percent. c. one out of four. d. 1/2. e. all of these EXCEPT 1/2.
Biology & Microbiology