Actinomycetes are usually found in ________ habitats.

A. freshwater
B. marine
C. medical
D. soil


Answer: D

Biology & Microbiology

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Fruits that develop from a flower with many separate ovaries are referred to as:

a. accessory fruits. b. aggregate fruits. c. dry fruits. d. multiple fruits. e. simple fruits

Biology & Microbiology

Sea cucumbers will ____ when environmental conditions deteriorate

a. eject their digestive tract, respiratory structures, and gonads b. crawl to an area with more favorable conditions c. form a resistant spore d. float to the surface and then later drop to a more favorable location e. crawl deep into the ocean mud on the bottom

Biology & Microbiology

In plant cells, ________ may contain organic nutrients, pigments, and poisons

A) mitochondria B) chloroplasts C) lysosomes D) central vacuoles

Biology & Microbiology

What kind of interaction occurs when two cardinals (birds of the same species) are trying to build a nest in the same tree?

a. intraspecific competition b. mutualism c. fundamental competition d. interspecific competition

Biology & Microbiology