The _____ have a coelom and are radial as adults
a. cnidarians c. annelids
b. echinoderms d. placozoans
B
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Scientists have confirmed by carbon dating that seeds dormant for up to 2000 years can successfully germinate. Based on the requirements for germination, what research expedition should you join in order to retrieve some ancient but viable seeds?
A. A trip to Indonesia, where the civet cat eats and expels coffee beans, producing a gourmet coffee known as Kopi Luwak. B. A trip to the Irish marsh, where wet peat creates anaerobic conditions, and your colleagues hope to unearth a bog mummy. C. A trip to the Burgess Shale in Canada, where your paleontologist colleagues have found fossils from the Cambrian era. D. A trip to the arid Dead Sea region, where your historian colleagues have found a storeroom of wax-sealed jars. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about germination? 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?
How are exocytosis and endocytosis different?
a. Endocytosis transports small molecules into cells, and exocytosis transports large molecules out of cells. b. Endocytosis transports large molecules into cells, and exocytosis transports large molecules out of cells. c. Endocytosis transports small molecules out of cells, and exocytosis transports small molecules into cells. d. Endocytosis transports large mole
NAM and NAG are found in:
A. Peptidoglycan B. Gram Positive C. Prokaryotes D. Cell wall A. B, C, and D B. A and B C. All of these D. A, C, and D E. A and D
A gourmet ice cream company started a charitable campaign to save an insect species. Which species are they most likely to care about, and why?
A. Cochineal insects. They are the only natural source of red food dye. B. Cockroaches. In the 1950s, the company nearly eradicated a certain species of roach, but subsequently learned they are valuable pollinators. C. The honeybee. They explain that half of their ingredients, and a significant portion of our food supply in general, rely on bee pollination, and bee populations have been suffering from the poorly understood colony collapse disorder. D. Butterflies. They explain that half of their ingredients, and a significant portion of our general food supply, rely on butterfly pollination, and butterfly populations have suffered from the spread of "bug zappers" in the suburbs.