Which of the following are wave-resistant formations that consist primarily of calcium carbonate secreted by generations of coral polyps?
A. Seamounts
B. Hydrothermal vents
C. Benthic provinces
D. Pelagic provinces
E. Coral reefs
Answer: E
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What key features of Bacillus anthracis makes the anthrax disease impossible to eradicate?
What will be an ideal response?
Despite the variety of sizes, shapes, and colors, a male German Shepherd and a Great Dane
(two breeds of dogs) can mate with one another and produce offspring. Do these dogs belong to the same species?
a. yes, because they can interbreed b. no, because they each have evolutionary novelties not shared by the other breed c. no, because they are different dog breeds d. yes, because they share physical similarities
If an organism with a particular genotype fails to produce the corresponding phenotype, the organism is said to be ________ for the trait
Fill in the blank(s) with correct word
Hox genes regulate limb formation by ____.
A. suppressing Dlx gene expression in areas where limbs should not grow B. timing the activation of Dlx genes C. causing cell death in any cell not expressing the Hox gene D. converting sugar into energy to allow the process to go to completion E. inducing mutations in plants