BIO044 (LECTURE) MOD 12 SUBPHYLUM MYRIAPODA Flashcards

1
Q

Comprise about 80% of all known species of animals, making them the dominant animals on the earth.

A

Phylum Arthropoda

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2
Q

Phylum Arthropoda means

A

“joint-foot”

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3
Q

Phylum Arthropoda characterized with having a:

A

*Bilaterally symmetrical
* segmented body
* exoskeleton

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4
Q

Bilaterally symmetrical, segmented body, exoskeleton made with _______ a hard material made of protein, that can form protective plates around their body.

A

Chitin

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5
Q

Types of chitin

A

*Tergum
* Sternum
* Pleura

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6
Q

The chitin plates on the dorsal side of the body.

A

Tergum

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7
Q

The chitin plates on the ventral side of the body.

A

Sternum

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8
Q

The chitin plates on the lateral sides of the body.

A

Pleura

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9
Q

They posses a nervous system similar to annelids but have well-developed sense organ.

A

Phylum Arthropoda

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10
Q

They have open circulatory system and their blood called:

A

Hemocoel/hemolymph

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10
Q

They have a complete digestive system, and their mouth may have feeding appendages for either chewing, sucking, or lapping.

A

Phylum Arthropoda

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10
Q

Their respiratory may include:

A

Gills, trachea, or book lungs (because the organ is shaped like pages of a book)

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10
Q

For excretion, most anthropods release waste through the :

A

Malphigian tubules

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10
Q

This phylum is the largest group in the animal kingdom.

A

Phylum Arthropoda

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10
Q

Phylum Arthropoda is divided into 4 subphylums:

A
  • Subphylum Chelicerata
    *Subphylum Myriapoda
  • Subphylum Crustacea
  • Subphylum Hexapoda
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10
Q

Include horsesea, crabs, spiders, Scorpions, ticks mites.

A

Subphylum Chelicerata

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10
Q

Includes all centipedes and millipedes.

A

Subphylum Myriapoda

10
Q

Include crabs, lobsters, shrimps and crayfish.

A

Subphylum Crustacea

10
Q

Comprises all 6-legged insects.

A

Subphylum Hexapoda

10
Q

Their segmented body are divided into groups called:

10
Q

Translates to “many feet”; they are the simplest living arthropods.

10
Q

Body is covered by hardened plates of ________.

A

Exoskeleton

10
Q

Body is covered by hardened plates of exoskeleton made of both:

A

Chitin and calcium carbonate

10
Q

Tagmatas (2)

A

*Head
* Segmented Trunk

11
Bears a pair of segmented antennae
Head
11
They are just made of 2 clusters of simple eyes called, which only detects light and dark.
Ocelli
11
Mouthparts are designed for chewing, consist of a pair of?
Prominent mandibles
11
Each segment may be dorsoventrally flattened(centipedes) or cylindrical (millipedes)
Segmented Trunk
11
Each segment has 1 or 2 pairs of jointed legs
Segmented Trunk
11
Each segment has well-developed and hardened tergum, but the sternum is weak and reduced called:
Tergites
12
Class Common name (Class CHILOPODA & class DIPLOPODA)
* Body * Legs * Defense * Diet
13
Class CHILOPODA
Centipedes
14
Class DIPLOPODA
Millepedes
15
1st pair of legs are modified into:
Poisonous claws
16
Secrete toxins
Repugnatorial glands
17
Class CHILOPODA (Centipedes)
Carnivorous hunters
18
Class DIPLOPODA (Millepedes)
Herbivorous scavengers
19
Body- Dorsoventrally flattened(15-177 segments, but it's always an odd number)
Class CHILOPODA (Centipedes)
20
Legs- Long legs; 1 pair per segment Legs of 1st segment not for walking; Last pair of legs has sensory function; Fast and agile walk
Class CHILOPODA (Centipedes)
21
Body- Cylindrical )24-100 segments)
Class DIPLOPODA (Millipedes)
22
Legs- Short legs;2 pair per segment When immature, only 1 pair has of legs per segment; Slow and graceful walk
Class DIPLOPODA (Millipedes)
23
Exoskeleton is very hard and "____" when disturbed to protect it's weak sternum.
"Coils" Class DIPLOPODA (Millipedes)