What Happens When an Interstellar Cloud Fragment Shrinks

question 71

Multiple Choice

What happens when an interstellar cloud fragment shrinks?

• A)It first becomes opaque.
• B)Density rises.
• C)Temperature rises.
• D)Pressure rises.
• E)all of the above

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Definitions:

Autotrophs

Organisms that can produce their own food from inorganic substances using light (photoautotrophs) or chemical energy (chemoautotrophs).

Nematocysts

Specialized cells in the tentacles of cnidarians (such as jellyfish) that eject a stinging thread to capture prey or provide defense against predators.

Cnidocytes

Stinging cells characteristic of cnidarians.

Cnidocils

Specialized cells found on cnidarians, like jellyfish, that contain a stinging structure used for capturing prey.