You observe a sunflower that moves its leaves so that it tracks the sun across the sky through the day,
and a sensitive plant that reversibly folds up its leaflets when you touch it. These are both examples of
a. phototropism.
b. thigmotropism.
c. stress responses.
d. circadian rhythms.
e. nastic movements.
E
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Imagine an earthworm that has no chaetae. How would the lack of chaetae affect movement of the earthworm?
A. The earthworm would have difficulty changing locations, since it cannot anchor itself in the soil. B. The earthworm would be much flatter than normal since it has no hydrostatic skeleton. C. The earthworm would only be able to extend its body segments. D. The earthworm would only be able to shorten its body segments. E. The earthworm would not be able to move at all. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about the function of chaetae? What other information is related to the question? Choose Answer · Given what you now know, what information is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Sexual reproduction is what?
What will be an ideal response?
Place the following organisms in order of appearance in the fossil record, beginning with the earliest
A. ferns, algae, flowering plants, gymnosperms B. amphibians, reptiles, fish, mammals What will be an ideal response?
Angina pectoris is another name for myocardial infarction. Indicate whether the statement is true or false