Front

Change in a gene or chromosome that can be inherited.

Back

mutation

Front

A cloud of interstellar gas and dust

Back

nebula

Front

Active at night

Back

Nocturnal

Front

Nebula is a...

Back

noun

Front

Source of inconvenience or annoyance

Back

nuisance

Front

A nuisance is a...

Back

noun

Front

An organism that eats both plants and animals.

Back

Omnivore

Front

Exceeding the bounds of what is right or proper; immoral or offensive.

Back

Outrageous

Front

omnivore is a...

Back

noun

Front

A poisonous, unstable form of oxygen with three atoms per molecule.

Back

ozone