Which of the following is not an effect of acid deposition?
A. destruction of aquatic food webs
B. decrease in the number of species that can survive in the lake ecosystem
C. thinning of high-elevation forests
D. increase of pH in lakes
E. deformities in fish and other aquatic organisms
Answer: D. increase of pH in lakes
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One population of Pacific northwest garter snakes live in coastal forests, where it hunts the banana slugs common on the forest floor. The other population lives inland, where there are no banana slugs. Inland snakes eat fishes and tadpoles. When researchers offered a slug to newborn garter snakes, offspring of coastal snakes ate it, but offspring of inland snakes ignored it. How did researchers
prove that the two populations differed in their genetic inborn food preferences? What will be an ideal response?
Which of the following is equal to (1 - N/K)?
A) (N - K)/K B) (K - N)/K C) (K - N)/N D) (N - K)/N
____________________ could one day be used to screen an individual’s genome to reveal genetic predispositions to
diseases. Fill in the blank(s) with the appropriate word(s).
Some bacteria, including many that cause disease, attach to surfaces using external ________ or slime ________ and/or hair-like protein strands called attachment ________
Fill in the blank(s) with correct word