21.A common consequence of habitat fragmentation (with the same total habitat amount) is often: (A) Increased gene flow among patches. (B) Increased edge effects and reduced interior habitat. (C) Increased interior habitat and reduced edge effects. (D) No change in species interactions.

2.Which of the following statements about the River Continuum Concept is incorrect? (A) From upstream to downstream, FPOM is gradually replaced by increasingly abundant CPOM. (B) Many fishes in headwater streams require well-oxygenated water. (C) Microbes are significant consumers throughout much of the river continuum. (D) Benthic invertebrates can be classified into functional feeding groups (e.g., collectors, grazers/scrapers, shredders) based on how they acquire organic matter.

21.A common consequence of habitat fragmentation (with the same total habitat amount) is often:
(A) Increased gene flow among patches.
(B) Increased edge effects and reduced interior habitat.
(C) Increased interior habitat and reduced edge effects.
(D) No change in species interactions.

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