The scientific method involves formulating a tentative explanation, called the hypothesis, to account for what has been observed or measured.
Answer the following statement true (T) or false (F)
True
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When pathogenic fungi are found growing on the roots of grape vines, grape farmers sometimes respond by covering the ground around their vines with plastic sheeting and pumping a gaseous fungicide into the soil
The most important concern of grape farmers who engage in this practice should be that the _____. A) fungicide might also kill the native yeasts residing on the surfaces of the grapes B) lichens growing on the vines' branches are not harmed C) fungicide might also kill mycorrhizae D) sheeting is transparent so that photosynthesis can continue
Generally, r-selected organisms exhibit:a
short life spans and early maturity. b. long life spans and extended parental care of offspring. c. long development time to maturity, but small body size. d. large body size and extended parental care of offspring. e. large body size, but short life spans.
Be able to identify an example of directional selection.
What will be an ideal response?
Which of the following organisms is mismatched with their organs of excretion?
A. Malpighian tubules - reptiles B. Kidneys - humans C. Earthworms - nephridia D. Planarians - flame cells