The reintroduction of ______ in the year 1995 increased biodiversity in Yellowstone National Park.

a. coyotes
b. elk
c. wolves
d. gibbons


c. wolves

The reintroduction of wolves in the year 1995 increased biodiversity in Yellowstone National Park by suppressing elk and coyote populations, allowing revegetation of stream and river banks.

Biology & Microbiology

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Which of the following molecules is not considered a porphyrin?

A. Hemoglobin B. Peptidoglycan C. Vitamin B12 D. Chlorophyll

Biology & Microbiology

Which portion of the photosynthetic apparatus absorbs light?

A. photosystem II B. NADP reductase C. both photosystem I and photosystem II D. photosystem I E. both photosystem I and NADP reductase

Biology & Microbiology

The growth process that allows cells to become specialized to carry out specific functions is:

a. cell division. b. cell elongation. c. cell differentiation. d. primary growth. e. secondary growth.

Biology & Microbiology

Which component distributes water and nutrients throughout the plant body?

a. ground tissue
b. vascular tissue
c. dermal tissue
d. root
e. shoot

Biology & Microbiology