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

Lab: Grasshopper Anatomy Flashcards

(56 cards)

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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?

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A

Provides power for air propulsion

24
Q

What is the function of Tibia?

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A

holds spines and attaches tarsus at further end

25
What is the function of Spines?
Gripping the surface of an object when a grasshopper lands
26
What is the function of the Tympanic membrane?
Receiving and processing sound waves from environment
27
What is the function of the Ovipositor?
Digging a hole to lay eggs (females)
28
What is the function of the Anus?
Excretor site
29
What is the function of the Subgenital plate?
Last segment of male
30
What is the function of the Aedeagus?
Reproductive organ of male
31
What is the function of the Vagina?
Canal through which eggs are passed
32
What is the function of the Oviducts?
comprised of 2 ovaries attached together; form a common oviduct that carry ripe eggs
33
What is the function of the Ovaries?
Attach together to form oviduct
34
What is the function of the common oviduct?
carry ripe eggs
35
What is the function of the testes?
Hold spermatocytes until ready for release
36
What is the function of the Vas Deferens?
Attach to testes and unite to ejaculatory duct
37
What is the function of the Ejaculatory Duct?
Transport mature spermatocytes out of the body
38
What is the function of the Pharynx?
Cavity inside the mouth and connects to esophagus
39
What is the function of the Esophagus?
Carries food to the crop
40
What is the function of the crop?
thin-walled sac that holds food until ready to be passed to the gizzard
41
What is the function of the gizzard?
Grinds food for further digestion
42
What is the function of the stomach?
Mechanically and chemically digests food
43
What is the function of the gastric caecae?
Help stomach with food digestion; arranged in ring
44
What is the function of the ileum?
Absorbs digested nutrients and pass to hemocoel wall
45
What is the function of the Colon?
Absorbs excess water from undigested products
46
What is the function of the Rectum?
Undigested products passed here until release thru anus
47
What is the function of the Malphigian tubules?
Acts a kidneys and filter out the food of waste products
48
What is the function of the Hemocoel?
Body cavity
49
What is the function of the Hearts?
Pump hemolymph into hemocoel for nutrient exchange
50
What is the function of the Aorta?
Carries blood away from heart to body
51
What is the function of the Tracheal tubes?
Network of tubes consisting of 10 pairs of spiracles that allow air flow
52
What is the function of the Air Sacs?
Air storage
53
What is the function of the Ventral Nerve Cord?
Has ganglions and controls segments of grasshopper; similar to brain and spinal cord
54
What is the function of the Ganglia?
control specific segments of the grasshopper
55
What is the function of the Interganglionic Tissues?
Link ganglions together
56
What is the function of the Brain?
Segment doing the majority of the work

Bio 241: Animal Biology (26 decks)

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