Which of the following best describes the process by which individual plant cells typically gain or lose water?
a. symport
b. guttation
c. osmosis
d. facilitated diffusion
Ans: c. osmosis
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An elephant’s trunk does not have any bones. However, it has many muscles, and the tip has
very precise movements that allow it to pick a single leaf from a tree. What type of skeleton allows this movement to occur?
a. hydrostatic skeleton b. exoskeleton c. antagonistic skeleton d. pressurized skeleton
Members of this Ecdysozoan phylum are so plentiful in soil and other places that they may be the most
abundant animals on Earth. Commonly called roundworms, it is estimated that more than half a million living species of them exist, although only about 80,000 have been described.
a. Arthropoda b. Onychophora c. Nemertea d. Annelida e. Nematoda
You buy a new house and the front yard has some really nice rose bushes, but they are surrounded by lots of weeds! You don't really want to try and dig them out by hand and your nice new neighbor comes over with a bottle of weed killer. He says it shouldn't kill your roses, but you, knowing that weeds and rose are pretty similar physiologically decide to do some research. You find out the active ingredient in the weed killer causes the stomata close when in contact with the chemical.
What would be the results of the chemical being sprayed on your roses? Explain which parts of photosynthesis would be affected, what those effects would be, and how would the plant be affected? Would it be likely to hurt your roses?
The first dinosaurs appeared during the ________ period
Fill in the blank(s) with correct word