A process that results in individuals of two populations losing the ability to interbreed is referred to as
(a) stabilizing selection.
(b) fusion.
(c) speciation.
(d) differential migration.
(c) speciation.
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Browsing through a seed catalog, you are tempted to order several beautiful floral varieties, but worry that you will spend too much on your garden every year. Which plants should you buy?
A. herbaceous perennials, which will come back year after year B. woody perennials, which require little space and few resources C. annuals, which will come back year after year D. biennials, which will last twenty years before they die 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 annuals and perennials? 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 many molecules are present in one mole of C6H12O6?
a. 1.7 × 10?10 molecules b. 1.3 × 1010 molecules c. 24 molecules d. 1.7 × 1022 molecules e. 6.02 × 1023 molecules
When a protist possesses two flagella, both are generally used for propulsion. Assuming that a flagellum containing a crystalline rod cannot undulate back and forth, and assuming that two undulatory flagella can produce more effective locomotion than can a single flagellum, which of these organisms should have the least effective locomotion?
a. golden algae b. dinoflagellates c. Euglenids d. Chlamydomonas e. oomycetes
The ________ algae are an important source of carrageenan, which is used to thicken paints, cosmetics, and ice cream
Fill in the blank(s) with correct word