Chaparral has a climate most similar to ________.
a. tropical dry forest
b. tundra
c. boreal forest
d. savanna
e. temperate rainforest
Answer: d. savanna
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How many varieties of apples account for 90%
of the apples sold in U.S. grocery stores?
a. 5 b. 15 c. 25 d. 50 e. 150
Hemizygosity is the term used to describe the state of a gene that has no allele on the opposing chromosome
Indicate whether the statement is true or false
Dinoflagellates, apicomplexans, and ciliates are placed in the clade Alveolata because they all
a. have flagella or cilia. b. are parasites of animals. c. are found exclusively in freshwater or marine habitats. d. have mitochondria. e. have membrane-bounded sacs under their plasma membrane
Select the option that best finishes the following statement: "Evolution is a process __________."
(a) that can be understood based on the principles of mutation and selection. (b) that results from repeated cycles of adaptation over billions of years. (c) by which all present-day cells arose from 4–5 different ancestral cells. (d) that requires hundreds of thousands of years.