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Flashcards in Final Exam 3 Deck (36):
1

arthropod supphylum lacking antennae; two tagmata

Clielicerata

2

extinct, arthropod subphylum whose members lack mouthparts; bodies separated in three lobes

Trilobita

3

crustacean class lacking abdominal appendages; includes subclasses Cirrepedia and Copedoda

Maxillopoda

4

ticks and mites; economically important, arachnid order

Acari

5

biramous, mandibulate arthorpods; two pair of antennae; subphylum

Crustacea

6

roly-polys ("pill bugs"); eggs develop in maternal pouch; reduced carapace

Isopoda

7

Subphylum; centpedes and milipedes

Myriapoda

8

lack arms; jointed mouthparts are called "Aristotle's lantern"; pluteus larva

Echinoidea

9

Subclass of small crustaceans; lack carapace; food for many marine fish populations

Copepoda

10

brittle stars; tube feet lack ampullae; no pedicellariae

Ophiuroidea

11

phylum whose members lack cilia

Arthropoda

12

velvet worms; slime glands

Onycophora

13

superphylum named after a feeding groove

Ambulacraria

14

crustaceans most likely to represent ancestral condition; live in sea caves very few species

Remipedia

15

Caenorhabditis elegans possess a fixed number of body cells in an adult (all adults of a species have the same number) is called

Eutely

16

Thin tubes attached to the gut of many arthropods that sere as excretory organs are called

malpighian tubels

17

insect segments are covered in a series of plates called ____; dorsal:___ ventral:____ lateral:_____

sclerites; tergum; sternum; pleura

18

this type of metamorphosis is characterized by radically different larval and adult stages

Holometabolous development

19

what makes the shell of a lobster so hard

impregnation of the cuticle with calcium salts

20

which respiratory pigment(s) carry oxygen in crustacean hemolymph

Hemoglobin and hemocyanin

21

during ecdysis, a new cuticle is partially excreted prior to molting of the previous exoskeleton. which layer of the procuticle is synthesized after molting

Endocuticle

22

Which phylum are pseudocoelomate and triploblastic, lack circular muscles, and has a cuticle acts as an elastic spring that antagonizes muscle contraction

Nematoda

23

Whats the most accurate explanation of nitrogenous waste and ion balance in the crustacean example (crayfish) discussed in class

Ammonia is excreted via the gills, but ion regulation is achieved by the antennal gland

24

what types of appendages do arthropods have

antennae , walking legs, and mouthparts

25

the common name for a chaetognath is

arrow worm

26

name four general characteristics of Echinodermata

endoskeleton of ossicles, pedicellariae, dermal brachiae, and water vascular system

27

sea star development from a bipinnaria larva to an adult involves all of the following

ropositioning the mouth and anus, loss of the anterior-posterior axis, and development of oral and aboral surfaces

28

Echinoderm tube feet run along the ____ groove that extends along the oral side from mouth to the tip of the arm

Ambulacral

29

thin extensions of hte echinoderm body wall that allow gas exchange and loss of ammonia by diffusion are called

dermal branchiae

30

water enters the water vascular system of a sea star through a porous plate on the aboral surface called the

Madreporite

31

which of the following parasitic nematodes only infects a single host species

Enterobius vermicularis

32

can a substance such as uric acid contribute to osmotic pressure in its insoluble state

no

33

if you treated insets with a compound that stimulates secretion of prothoracicotropic hormone, what effect would you expect

ecdysone production by the prothoracic gland would increase, and the aphids would molt

34

ecdysone is secreted by the ____ and targets the _____

prothoracic glad ; epidermal cells

35

Name four characteristics of the phylum Hemichordata

tripartite coelom; excretion is performed by a glomerulal structure; pharyngeal ("gill") slits; buccal diverticulum

36

what's the life cycle of guinea worm (Drancunculus Mendinesis)

Human ingest copepode > larvae released when copepod dies > larvae travel to gut & mature > fertilized females travel to skin (legs and feet) > form a blister on leg & foot > blister burst and larvae infect copepod > goes through 2 molts > >>>>