Which of the following does not result from commercial harvest?
a. birds in pet stores.
b. deer in a nature reserve.
c. fish in aquaria.
d. lions in a zoo.
e. elephants in a circus
B
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The acrosomal reaction is the ____
a. activation of a sperm cell through attachment of an acrosome b. release of digestive enzymes from the acrosome after the initial attachment of a sperm to an egg c. fusion of sperm and egg nuclei using enzymes from the acrosome d. use of enzymes from the acrosome to block the attachment of other sperm cells to the egg e. initial binding of the sperm to the zona pellucida
The more similar the niches of two species are, the more intensely those species will _______________
Fill in the blank(s) with correct word
Trans fats are found in
a. small amounts in red meats. b. large amounts in partially hydrogenated oils. c. dairy products. d. alcoholic drinks. e. A, B, and C are correct.
Ctenophores capture food:
a. with filter feeders. b. using adhesive glue cells that trap prey. c. with stinging hair cells that immobilize small invertebrates. d. by digging through the bottom mud for small invertebrates. e. with a sticky mucus on their tentacles that capture small invertebrates.