Red light and phytochrome are involved in which of the following plant growth responses? Check all that apply.
_____ thigmotropic responses
_____ inhibition of seed germination
_____ elongation of etiolated shoots
_____ detection of crowding by neighboring plants
_____ thigmotropic responses
__X__ inhibition of seed germination
__X__ elongation of etiolated shoots
__X__ detection of crowding by neighboring plants
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Which one of the following types of organisms has been most damaged by the influence of humans?
A. rats B. corn C. cockroaches D. apples E. white rhinos
Which of the following is a source of genetic variation?
A. genetic recombination B. gene flow C. natural selection D. genetic drift E. adaptations
Where can a ciliated epithelial cell be found?
a. mouth b. oviduct c. blood vessels d. heart e. blood
The sequence in Figure 52-2 illustrates:a
classical conditioning. b. habituation. c. imprinting. d. insight. e. operant conditioning