Animal Diversity: Animal Kingdom

Question 1

Animal Kingdom- 9 Major Phyla
1. _________
2. Cnidaria
3. Platyhelminthes
4. Annelida
5. Nematoda
6. Mollusca
7. _________
8. Echinodermata
9. ____________

Answer 1

Porifera (sponges)
Arthropoda
Chordata

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Question 2

Body Symmetry in Animals

Asymmetrical: _______ symmetry (ex. ________)

Radial Symmetry: arranged around a ____________ (ex. __________, hydras, __________)

Bilateral Symmetry: only ____ plane, divide animal into ______________ images (ex. mollusks, arthropods, flatworms, earthworms)

Answer 2

-lack
-sponges

-central axis
-jellyfish
*adult sea stars

-1
-2 mirror

Question 3

Porifera
-asymmetrical
-lack ___________
-ex. ____________

Answer 3

-true tissues
-sponges

Question 4

Cnidaria
-__________ symmetry
-________ tissue layers
*Cnidocytes: ___________ cells (catch prey & protection)
-Gastrovascular __________
-ex. jellyfishes, corals, sea anemones

Answer 4

-radial symmetry
-2
-stinging
-cavity

Question 5

Platyhelminthes
-_____________
-ex. free living flatworms, planarians, flukes, tapeworms

Answer 5

-flatworms

Question 6

Annelida
-_____________ worms
-round bodies
-ex. ______________

Answer 6

-segmented
-earthworms & leeches

Question 7

Nematoda
-____________ worms
-round, unsegmented
-ex. ___________, pinworms

Answer 7

-thread-like
-heartworms

Question 8

Mollusca
-Mostly ______ bodied with _______(although some have lost it)
-_________ foot for locomotion
-mantle to cover internal organs
-many have radula (_________ organ) to _________ surfaces for food
-ex. squids, octopuses, clams, oysters, snails

Answer 8

-soft
-shell
-muscular
-sharp

Question 9

Echinodermata
-“spiny skin”
-deuterostomes
-__________ skeleton
-___________ system
-ex. sea urchins, sea stars, sand dollars, sea cucumbers

Answer 9

-internal
-water vascular(gas exchange, locomotion)

Question 10

Chordata (only phyla w/ vertebrates)
-__________ are found in this group
-deuterostomes
-ex. fish, mammals, reptiles

Answer 10

-vertebrates

Question 11

Arthropoda
-most _____________
-__________ species described
-** ___________________
-made of chitin
-** jointed appendages
-segmented body
-_____________ circulatory system
-periodic molting (___________)
-ex. crustaceans, insects, spiders

Answer 11

-species rich
->1 million
-exoskeleton
** = synapomorphes
-open
-ecdysis

Question 12

Class: Crustacea
(group found in Arthropoda)
-most are aquatic
-2 pairs of antennae
-compound eyes
-mandibles
-ex. crawfish, crabs, shrimp, lobsters

Question 13

Crawfish
->_______ species in U.S.
-________ are found in Louisiana
-Only 2 are of economic value:
1. Red Swamp Crawfish (Procambarus clarkii) Make up 75% of annual catch in La.
2. White River Crawfish
(Procambarus zonangulus)

Answer 13

-300
-32

(know all parts on pg 88, 89, 90, 92)