Encephalitis is most commonly caused by a ________.

A. bacterium
B. protozoan
C. helminth
D. virus


Answer: D

Biology & Microbiology

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Why is a random dispersal pattern the rarest in nature?

A. Only aquatic resources are randomly dispersed. B. Resources in nature are rarely randomly spaced. C. Most animals have social behavior such as forming flocks. D. Resources such as most, fertile soil are common and abundant. E. None of these choices are correct.

Biology & Microbiology

An ecologist recorded 12 white-tailed deer, Odocoileus virginianus, per square mile in one woodlot and 20 per square mile on another woodlot. What was the ecologist comparing?

A) density B) dispersion C) carrying capacity D) quadrats E) range

Biology & Microbiology

________ spread more easily in crowded conditions than in places with a sparser population. Thus, these are density-dependent regulating factors

Fill in the blank(s) with correct word

Biology & Microbiology

Based on the pedigree shown, what can you determine about the genetic condition affecting the III-1 individual?

A. It is a fatal condition
B. It is a condition that affects mostly males (XY)
C. It is a dominant condition
D. The parents of the affected individual are heterozygous for the condition

Biology & Microbiology