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Turfgrass Insects > Insects Structure and Function > Flashcards

Insects Structure and Function Flashcards

1
Q

4 parts of an insect body?

A

Exoskeleton
Head
Thorax
Abdomen

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2
Q

What is Tagmosis?

A

the evolutionary process of grouping segments into body regions

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3
Q

Charateristics of an exoskeleton

A

Rigid outer shell
muscle support
covers internal organs

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4
Q

what are sclerites?

A

hardened plates from the exoskeleton

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5
Q

The insect head is specialized for…

A

feeding and sensory perception

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6
Q

the head is attached to the thorax by what?

A

cervix

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7
Q

the head contains what three things

A

mouthparts, eyes, antennae

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8
Q

three types of eyes

A

eye spots
ocelli
compound eyes

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9
Q

Characteristics of eye spots

A

immature flies

light receptors

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10
Q

Characteristics of Ocelli

A

light/dark

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11
Q

Characteristics of Compound eyes

A

eyes on side

hexagonal facets

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12
Q

Ocellus contains…

A

lens

nerve cells

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13
Q

True or false?

The insect thorax is fusion of 3 segments

A

true

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14
Q

Three segments of the thorax are called

A

Prothorax
Mesothorax
Metathorax

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15
Q

Each segment has one pair of?

A

legs

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16
Q

Meso- and Meta- may contain…

A

one pair of wings each

one pair of spiracles each

17
Q

what is the primary function of the thorax?

A

locomotion

18
Q

true or false?

Both adults and larve have wings

A

False.

Only adults have wings

19
Q

The insect abdomen may have up to ____ segments?

A

11

20
Q

Male genitalia consists of

A

Claspers and Aedeagus

21
Q

Three regions of the digestive system

A

Foregut
Midgut
Hindgut

22
Q

digestive system is responsible for

A

absorption of nutrients and excretion of waste

23
Q

Circulatory system is an ___ system, not circulated

A

open

24
Q

Circulatory is a series of…

A

vessels and homocoel

25
Q

what is hemolymph

A

Insect blood

26
Q

Primary functions of Circulatory system

A

pressure regulation
heat transfer
food and waste transport
storage

27
Q

The respiratory system consists of

A

One Big Lung
series of tubes
spiracles open to the outside

28
Q

Oxygen diffuses in the respiratory system and what comes out

A

Carbon dioxide

29
Q

What is class for insects

A

hexapoda

30
Q

What are the two subclasses for insects

A

apterygota- wingless

pterygota- winged

Turfgrass Insects (2 decks)

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