Viruses

question 84

Multiple Choice

Viruses

• A) must reproduce inside cells of the host.
• B) are considered to be parasitic.
• C) easily survive in the environment outside the body.
• D) must reproduce inside cells of the host and are considered to be parasitic.
• E) must reproduce inside cells of the host, are considered to be parasitic, and easily survive in the environment outside the body.

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Definitions:

Marine Organisms

Living creatures that inhabit the ocean or sea, including both plants and animals.

Nekton

Aquatic animals that can swim and move independently of water currents, including fish, whales, and squids.

Limnetic Zone

The open water area of a freshwater basin (like a lake) where sufficient light penetrates to support photosynthesis, excluding the near shore areas.

Benthic Zone

The environmental zone located at the deepest part of a water body like an ocean or lake, encompassing both the surface of the sediment and several layers beneath it.