If the gametes of an organism are different morphologically, they are said to be __________

A. isogamous
B. heterogamous
C. diploid
D. haploid


B

Biology & Microbiology

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In addition to S. aureus, impetigo may also involve

A. M. luteus. B. S. pyogenes. C. S. epidermidis. D. Pseudomonas spp.

Biology & Microbiology

If the 14C to 12C ratio present in a fossil is 25% of that in living organism, how many years have passed since this

fossilized organism died?

a. 1,432 b. 2,865 c. 5,730 d. 11,460 e. 17,190

Biology & Microbiology

Which of the following statements about dinosaurs is false?

a. Some species lived in social groups and hunted in packs. b. Dinosaurs were all slow-moving, with relatively low metabolic rates. c. Fossils of dinosaurs with feathers suggest that feathers first evolved to provide insulation. d. Dinosaur social behaviors include courtship rituals and parental nurturing of the young. e. Dinosaurs underwent an extensive radiation throughout the Jurassic and Cretaceous periods.

Biology & Microbiology

Spreading contaminated soil on a pad so that water and other compounds can leak out of the soil is known as ________

A) bioprocessing B) biostimulation C) bioventing D) composting E) landfarming

Biology & Microbiology