Chapter 13: Phylum Arthropoda Flashcards Preview

Animal Biology > Chapter 13: Phylum Arthropoda > Flashcards

Flashcards in Chapter 13: Phylum Arthropoda Deck (26)
Loading flashcards...
1

Characteristics of Arthropods

Triploblastic, bilateral symmetry, eucoelomates, segmented bodies, jointed appendages, exoskeleton(made of chitin), open circulatory system, largest phylum, every ecosystem

2

Subphylum Chelicerata Characteristics

Chelicerae, two body segments(tagmata), four pairs of walking legs, pedipalps, no antennae, every ecosystem

3

What do pedipalps do and what subphylum are they in?

Subphylum: Chelicerata
Specialized for locomotion, reproduction, chemosensory, etc.

4

What classes are in the subphylum Chelicerata?

Merostamata, Arachnida

5

Characteristics of Class Merostomata
(Horseshoe crabs)

Book gills, marine, elongated telson

6

Characteristics of Class Arachnida
(Spiders, scorpions, mites, ticks)

Chelicerae are fangs(spiders), no abdominal appendages, 8 eyes

7

What subphylums are in the phylum Arthropoda?

Chelicerata, Crustacea, Myriapoda, Hexapoda

8

What class is in the subphylum Crustacea?

Malacostraca

9

Characteristics of Subphylum Crustacea

Biramous appendages, two pairs of antennae, one pair of eyes, every ecosystem

10

Characteristics of Class Malacostraca
(Lobsters, crabs, crayfish)

Maxillae, Chelipeds

11

Characteristics of subphylum Myriapoda

Long bodied, many segments, many legs

12

What classes are in subphylum Myriapoda?

Diplopoda, chilopoda

13

Characteristics of Class Diplopoda
(Millipedes)

Poisonous, two pairs of legs per segment, domed/rounded body

14

Characteristics of Class Chilopoda
(Centipedes)

Venomous fangs/modified chelicerae, one pair of legs per segment, flattened body

15

Characteristics of Subphylum Hexapoda

Three pairs of legs, three body segments(tagmata)

16

What are the three segments of tagmata for hexapodas?

Head, thorax, abdomen

17

What class is in subphylum Hexapoda?

Insecta

18

Characteristics of Class Insecta

Wings, largest/most diverse group of animals, one pair of antennae, every ecosystem

19

What are the orders of Class insecta?

Coleoptera, Diptera, Hymenoptera, Lepidoptera, Orthoptera

20

Characteristics of Order Coleoptera
(Beetles)

Elytra, largest order of animals

21

Characteristics of Order Diptera
(Flies)

One pair of wings, halteres

22

What keeps a flies balance?

Halteres

23

Characteristics of Order Hymenoptera
(Bees, wasps, ants, hornets)

Narrowed abdomen, social insects

24

Characteristics of Order Lepidoptera
(Butterflies and Moths)

Scaled wings, probiscis

25

What is a proboscis?

Straw like structure used to suck up nectar

26

Characteristics of Order Orthoptera
(Grasshoppers and Crickets)

Modified hind legs for jumping