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Biology > Section 20.1- Insect Anatomy and Physiology > Flashcards

Section 20.1- Insect Anatomy and Physiology Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

the largest and most diverse group of animals

A

invertebrates

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2
Q

invertebrates with jointed appendages, make up more than three fourths of all species in the animal kingdom and include such familiar creatures as insects, spiders, crayfish, centipedes, and millipedes

A

arthropods

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3
Q

in place of an internal backbone, arthropods have a strong, lightweight and flexible

A

exoskeleton

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4
Q

a substance that is chemically similar to cellulose or starch that composes the exoskeleton of an arthropod

A

chitin

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5
Q

all arthropods have…

A
  1. jointed legs
  2. segmented body
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6
Q

form the largest class in the animal kingdom

A

insects

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7
Q

include spiders, scorpions, mites, and ticks

A

arachnids

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8
Q

consist of creatures with numerous body segments and legs

A

centipedes
millipedes

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9
Q

include crayfish, lobsters, crabs, shrimp

A

crustaceans

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10
Q

the most varied and numerous of all God’s living creatures

make up more than 70% of all animal species

A

insects

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11
Q

scientists who study insects

A

enotmologists

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12
Q

all insects have an exoskeleton that is divided into three distinct body regions:

A

head
thorax
abdomen

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13
Q

all insects have a single pair of

A

antennae

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14
Q

as adults, all insects have both ______________________ and ____________________

A

compound eyes
simple eyes

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15
Q

all insects breathe through breathing tubes called

A

trachae

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16
Q

all insects have _____________ pairs of jointed legs

A

3

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17
Q

most insects begin life as an

A

egg

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18
Q

process by which insects mature

may be complete or incomplete

A

metamorphosis

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19
Q

metamorphosis in which the insect begins life as an egg that hatches into a nymph

A

incomplete metamorphosis

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20
Q

an immature form the insect that looks much like the adult but has different body proportions

A

nymph

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21
Q

metamorphosis in which the egg develops into larva

A

complete metamorphosis

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22
Q

a wormlike eating and growing stage

A

larva

23
Q

coccoon or chrysalis stage of complete metamorphosis

after larva

A

pupa

24
Q

two of the most familiar insects that undergo complete metamorphosis are

A

monarch butterfly
cecropia moth

25
Q

complete cycle of incomplete metamorphosis

A

egg
nymph
molts
adult

26
Q

complete cycle of complete metamorphosis

A

egg
larva
pupa
adult

27
Q

common names for insects in larva stage

A

grubs
maggot
wigglers
caterpillars

28
Q

one of the most common and familiar insects

A

grasshopper

29
Q

the front segment of the grasshopper

A

head

30
Q

part of grasshopper that can detect only light and shadow

A

simple eyes

31
Q

eyes that are sensitive to shape, color, and movement

A

compound eyes

32
Q

a small mass of nerve tissue located in the insect’s head

A

brain

33
Q

the components of an insect’s mouth are

A

mouthparts

34
Q

the specially designed chewing mouthparts of a grasshopper’s mouth are teh

A

labrum and labium (form upper and lower lips)

mandibles and maxillae (jaws)

35
Q

a fingerlike organ on the labium and each maxillae that may also taste plants to see if they are suitable for consumption

A

palp

36
Q

the middle part of the grasshopper’s body that is divided into three parts

A

thorax

37
Q

the three parts of the thorax

A

prothorax (first section)
mesothorax (middle legs and wings)
metathorax (rear legs and wings)

38
Q

the grasshopper’s locomotive center

A

thorax

39
Q

the rearmost portion of the grasshopper’s body that contains the vital organs, including the heart, much of the digestive system, and most of the respiratory system and excretory system

A

abdomen

40
Q

minute respiratory openings in the segments of the abdomen

A

spiracles

41
Q

a single eardrum located on each side pf the first abdominal segment

A

tympanum

42
Q

order of digestion in insects

A

esophagus
crop
gizzard
stomach
colon
rectum
anus

43
Q

special enzymes produced by glands to help the stomach with digestion

A

gastric ceca

44
Q

serves as the insect’s primary organ for absorbing nutrients

A

stomach

45
Q

the intestine of a grasshopper is composed solely of

A

colon
rectum

46
Q

tubelike

located in upper abdomen under exoskeleton

A

heart

47
Q

as the heart contracts, the blood travels forward into the

extends into the insect’s head

A

aorta

48
Q

blood reenters the heart through tiny openings long its sides called

A

ostia

49
Q

special organs that filter metabolic wastes

serve as kidneys

A

Malpighian tubules

50
Q

where a grasshopper’s eggs develop

A

two ovaries

51
Q

carries the eggs away from each ovary,

two unite to form a single tube that opens near the tip of the female’s abdomen

A

oviducts

52
Q

the female stores the male’s sperm when they mate

a specialized container where the sperm remain until the female is ready to lay her eggs

A

seminal receptacle

53
Q

a sharp-pointed, hard organ in which a female uses to dig a hole to lay her eggs

A

ovipositor

Biology (48 decks)

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