Insecets Growth and Development Flashcards

1
Q

Process of digesting the old exoskeleton and synthesizing a new one is called?

A

Molting

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2
Q

shedding what is left of the exoskeleton is called

A

ecdysis

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3
Q

Molting is determined by?

A

Hormones

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4
Q

how many times does the average insect molt?

A

4-8 times

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5
Q

True or false?

Winged insects do not molt after adult stage.

A

True

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6
Q

Stages between ecdysis are called?

A

instars

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7
Q

True or false?

Most insects change form during growth?

A

True

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8
Q

Change in form during growth is called?

A

Metamorphosis

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9
Q

What is simple metamorphosis?

A

little change in form during growth

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10
Q

What is complete metamorphosis?

A

Radical change in form during growth

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11
Q

What are the 3 instars of simple metamorphosis?

A

Egg
Nymph
Adult

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12
Q

3 types of simple metamorphosis?

A

Ametabolous
Paurometabolous
Hemimetabolous

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13
Q

Characteristics of Ametabolous

A

Wingless as adults

no obvious differences except size

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14
Q

Characteristics of Hemimetabolous

A

“incomplete” metamorphosis
very different from adults
nymphs are aquatic and have gills

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15
Q

Characteristics of Paurometabolous

A

“Gradual” metamorphosis
Adults are winged
Change in size and body structure
nymphs live in same habitat as adults

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16
Q

Complete Metamorphosis is

A

Holometabolous

17
Q

3 instars of complete metamorphosis

A

egg
larve
pupae
adult

18
Q

What are the two life cycles of insects?

A

Univoltine

Bivoltine

19
Q

Univoltine is?

A

one generation per year

20
Q

Bivoltine is?

A

two generations per year