Which zone of the ocean is found above the
continental shelf?
a. abyssal
b. benthic
c. pelagic
d. neritic
e. oceanic
Answer: d
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Brown algae are most diverse and abundant along coastlines ____
a. at temperate latitudes b. at the equator c. bordering the Caribbean d. bordering the Indo-Pacific e. in polar regions.
How is the placement of the eyes of a predator different from their placement on its prey?
What will be an ideal response?
Hamilton explained the origin of altruism in selected insect societies with his kin selection model of sex determination. Since males are haploid and females are diploid, the workers share a very high proportion of alleles, theoretically as high as 75%. What is this called?
A. haplodiploidy B. altruism C. haploidy D. diploidy E. parthenogenesis
Avogadro's number, calculated from the atomic weight of hydrogen, tells us how many atoms or molecules are in a mole
The resulting base for all calculations of moles and molarity (how many molecules are present when you weigh out a substance or measure from a stock solution) is the following: 1 g of hydrogen atoms = 6 × 1023 hydrogen atoms = 1 mole of hydrogen Sulfur has a molecular weight of 32. How many moles and atoms are there in 120 grams of sulfur? (a) 3.75 and 6 × 1023 (b) 32 and 6 × 1023 (c) 1.75 and 1.05 ×1024 (d) 3.75 and 2.25 × 1024