Life Cycles and Rhythms

What is the term for the stage in an insect's life cycle between the egg and adult stages?

• hatchling

• pupa

• larva

• chrysalis

Which term describes animals that are active during the night?

• Diurnal

• Crepuscular

• Matutinal

• Nocturnal

What is the name for the events in living organisms lifetime that occur once?

• life cycle

• life span

• annual cycle

• seasonal rotation

During which stage of metamorphosis does a caterpillar transform into a butterfly?

• chrysalis

• egg

• larva

• pupa

What internal mechanism controls the timing of biological processes in organisms?

• Biological clock

• Circadian clock

• Timekeeper

• Chronometer

Animals that are active during the day are known as what?

• Diurnal

• Crepuscular

• Hibernating

• Nocturnal

What is the term for the immature form of an insect that resembles the adult but has no wings?

• pupa

• cocoon

• larva

• nymph

What is the seasonal movement of animals from the places where they breed to the places where they feed?

• Hibernation

• Infiltration

• Emigration

• Migration

Which term describes the behavior of organisms to avoid predators or harsh conditions?

• evolution

• migration

• adaptation

• mutation

Animals that are active during the day and rest at night are called what?

• diurnal

• insomniac

• nocturnal

• crepuscular