The instrument that produces a bright image of the specimen against a dark background is called a (n) ________ microscope.

A. bright-field
B. electron
C. dark-field
D. phase-contrast


Answer: C

Biology & Microbiology

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The intrinsic growth rate is the maximum per capita growth rate when ____

Fill in the blank with the appropriate word.

Biology & Microbiology

Which of the following would most likely not influence the pattern of succession in a recently disturbed habitat?

A. the number of symbiotic relationships that exist in the habitat B. the amount of available sunlight C. soil composition D. the amount of open space E. existing species in the habitat

Biology & Microbiology

An example of a hydrophyte flowering plant that can withstand and thrive under conditions of continued submergence is:

a. cordgrass. b. pickle weed. c. salt grass. d. turtle grass. e. blue grass.

Biology & Microbiology

Polar bodies are unique products of ________

A) cytokinesis B) oogenesis C) mitosis D) spermatogenesis

Biology & Microbiology