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Bio 241: Animal Biology > Lab: Grasshopper Anatomy > Flashcards

Lab: Grasshopper Anatomy Flashcards

1
Q

What is the function of the head?

A

Most anterior body segment’ houses eyes, antennae, and mouthparts

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2
Q

What is the function of the thorax?

A

Middle body segment; divided into prothorax, mesothorax, and metathorax

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3
Q

What is the function of the abdomen

A

Posterior body segment; houses reproductive and digestive organs

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4
Q

What is the function of Clypeus?

A

Suspension point for the labrum

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5
Q

What is the function of Labrum?

A

Protects delicate mouthparts; moves back and forth during feeding

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6
Q

What is the function of Mandibles?

A

Grabbing and tearing food into smaller pieces

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7
Q

What is the function of Maxillae?

A

Move food particles into pre-oral cavity for eating

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8
Q

What is the function of Maxillary palp?

A

Tests the food quality using chemoreception

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9
Q

What is the function of the Hypopharynx?

A

Acts as a tongue, moving food around inside pre-oral cavity

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10
Q

What is the function of the Labium?

A

Helps hold food in place while eating

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11
Q

What is the function of the labial palps?

A

Use sensory function to test quality of food prior to eating

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12
Q

What is the function of salivary glands?

A

Aid in digestion by breaking down food chemically with saliva

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13
Q

What is the function of simple eyes/ocelli?

A

Discern between dark and light

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14
Q

What is the function of compound eyes?

A

Picks up motion and form and discerns distance of objects from grasshopper

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15
Q

What is the function of Antennae?

A

Chemical and tactile senses, ex. touch, wind direction, velocity, odors, vibrations

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16
Q

What is the function of the Prothorax?

A

Anterior portion; supports first pair of walking legs

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17
Q

What is the function of the Mesothorax?

A

Supports first pair of wings and second pair of walking legs

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18
Q

What is the function of the Metathorax?

A

Houses second pair of wings, jumping legs, and two pairs of spiracles

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19
Q

What is the function of the Tegmina?

A

Forewings, protect more membraneous hindwing underneath.

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20
Q

What is the function of the Hindwings?

A

Contribute 3 times as much flight lift than the tegmina

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21
Q

What is the function of Coxa?

A

Attaches leg to body

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22
Q

What is the function of the Trochanter?

A

Head of the femur, follows coxa

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23
Q

What is the function of Femur?

A

Provides power for air propulsion

24
Q

What is the function of Tibia?

A

holds spines and attaches tarsus at further end

25
Q

What is the function of Spines?

A

Gripping the surface of an object when a grasshopper lands

26
Q

What is the function of the Tympanic membrane?

A

Receiving and processing sound waves from environment

27
Q

What is the function of the Ovipositor?

A

Digging a hole to lay eggs (females)

28
Q

What is the function of the Anus?

A

Excretor site

29
Q

What is the function of the Subgenital plate?

A

Last segment of male

30
Q

What is the function of the Aedeagus?

A

Reproductive organ of male

31
Q

What is the function of the Vagina?

A

Canal through which eggs are passed

32
Q

What is the function of the Oviducts?

A

comprised of 2 ovaries attached together; form a common oviduct that carry ripe eggs

33
Q

What is the function of the Ovaries?

A

Attach together to form oviduct

34
Q

What is the function of the common oviduct?

A

carry ripe eggs

35
Q

What is the function of the testes?

A

Hold spermatocytes until ready for release

36
Q

What is the function of the Vas Deferens?

A

Attach to testes and unite to ejaculatory duct

37
Q

What is the function of the Ejaculatory Duct?

A

Transport mature spermatocytes out of the body

38
Q

What is the function of the Pharynx?

A

Cavity inside the mouth and connects to esophagus

39
Q

What is the function of the Esophagus?

A

Carries food to the crop

40
Q

What is the function of the crop?

A

thin-walled sac that holds food until ready to be passed to the gizzard

41
Q

What is the function of the gizzard?

A

Grinds food for further digestion

42
Q

What is the function of the stomach?

A

Mechanically and chemically digests food

43
Q

What is the function of the gastric caecae?

A

Help stomach with food digestion; arranged in ring

44
Q

What is the function of the ileum?

A

Absorbs digested nutrients and pass to hemocoel wall

45
Q

What is the function of the Colon?

A

Absorbs excess water from undigested products

46
Q

What is the function of the Rectum?

A

Undigested products passed here until release thru anus

47
Q

What is the function of the Malphigian tubules?

A

Acts a kidneys and filter out the food of waste products

48
Q

What is the function of the Hemocoel?

A

Body cavity

49
Q

What is the function of the Hearts?

A

Pump hemolymph into hemocoel for nutrient exchange

50
Q

What is the function of the Aorta?

A

Carries blood away from heart to body

51
Q

What is the function of the Tracheal tubes?

A

Network of tubes consisting of 10 pairs of spiracles that allow air flow

52
Q

What is the function of the Air Sacs?

A

Air storage

53
Q

What is the function of the Ventral Nerve Cord?

A

Has ganglions and controls segments of grasshopper; similar to brain and spinal cord

54
Q

What is the function of the Ganglia?

A

control specific segments of the grasshopper

55
Q

What is the function of the Interganglionic Tissues?

A

Link ganglions together

56
Q

What is the function of the Brain?

A

Segment doing the majority of the work

Bio 241: Animal Biology (26 decks)

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