The structure shown in the accompanying figure is from an animal in phylum:
a. Cestoda.
b. Turbellaria.
c. Trematoda.
d. Monogenea.
e. Platyhelminthes.
e
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Although, it is not known the exact cause of
colony collapse disorder, all of the following EXCEPT ____ are contributing factors. a. acute paralysis virus b. parasites c. neonicotinoids d. herbicides e. all of these
Mycorrhizae are fungi that are symbiotic with plants. What is the likely relationship between these fungi and plants?
A) The fungi provide soil nutrients to the plants; the plants provide food to the fungi. B) The fungi remove bacteria from the soil; the plants provide water to the fungi. C) The fungi provide CO2 to the plants; the plants protect the fungi from predators. D) The fungi remove predators from the plants; the plants provide shelter for the fungi.
During which of the following stages of meiosis is the cell diploid?
A. metaphase II B. anaphase II C. metaphase I D. prophase II
rhythmic contraction of tubular organs
What will be an ideal response?