In short-day plants, the Pfr form of phytochrome suppresses ________.
Fill in the blank(s) with the appropriate word(s).
flowering
In short-day plants, the Pfr form of phytochrome suppresses flowering.
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For each statement, indicate whether it is True or False. If you choose False, briefly explain why the statement is incorrect. True or false
There are more herbivores than carnivores because of the decreasing amount of energy available at each level of the food web. What will be an ideal response?
Lice and mites
A. are both arachnids. B. may both be spread by personal contact. C. are intestinal parasites. D. cause Lyme disease
____ are enzymes found in the ____ secreted
by cells lining the body's interior tubes and cavities.
a. Lysozymes; proteins b. Peroxidases; acid c. ATPases; mucus d. Lysozymes; mucus e. Peroxidases; mucus
Mutations are important because they
A) are always beneficial to the individuals affected by them. B) usually provide an individual with increased reproductive rates. C) occur in response to environmental demands. D) provide variation that can result in evolutionary change.