animal diversity

Question 1

Animals are ____ _____ _______

Answer 1

multicellular, eukaryotic

heterotrophs

Question 2

Most animals

– are capable (3)

Answer 2

of locomotion at some time
during life cycle
– can respond adaptively to external stimuli
– can reproduce sexually

Question 3

Blastopore is

Answer 3

Opening from embryonic gut to outside

Question 4

In protostomes the Blastopore develops

Answer 4

into the mouth

Question 5

In deuterostomes the Blastopore develops

Answer 5

becomes the anus

Question 6

Phylum Porifera includes

Answer 6

Sponges

– animals characterized by flagellate collar cells

Question 7

choanocytes) are

Answer 7

flagellate collar cells

Question 8

Sponge body has (3)

Answer 8

sac with tiny openings for water to enter HAS choanocytes
– central cavity (spongocoel)
– open end (osculum) for water to exit

Question 9

Sponge cells_____ associated

– do not form ____ ____

Answer 9

loosley, true tissues

Question 10

Phylum Cnidaria are Characterized by (3)

Answer 10

radial symmetry
– two tissue layers
– cnidocytes (cells containing nematocysts)

Question 11

Phylum Cnidaria Gastrovascular cavity has

Answer 11

single opening for mouth and anus

Question 12

Phylum Cnidaria Nerve cells

Answer 12

form irregular, nondirectional

nerve nets

Question 13

what are examples of Phylum Cnidaria

Answer 13

hydra, sponges

Question 14

Phylum Ctenophora examople

Answer 14

comb jelly

Question 15

comb jellyes have _____ symmetry

Answer 15

bilaterial

Question 16

Cephalization is

Answer 16

Evolution of a head Evolution of a head

Question 17

_____ _____ show beginnings of cephalization)

Answer 17

flat worms

Question 18

why is Cephalization important

Answer 18

Increases effectiveness of bilateral animal
– to actively find food, shelter, mates
– to detect enemies

Question 19

Phylum Mollusca usually have (3)

Answer 19

Soft-bodied animals
– usually covered by a shell
Ventral foot
– for locomotion
Mantle
– covers visceral mass (body organs)

Question 20

Class Gastropoda (of Phylum Mollusca ) examples

Answer 20

snails, slugs, and their relatives

Question 21

Class Bivalvia (of Phylum Mollusca ) have

Answer 21

Two-part shell
– hinged dorsally
– encloses bodies
Suspension feeders

Question 22

Class Bivalvia (of Phylum Mollusca ) examples

Answer 22

aquatic clams, scallops, oysters

Question 23

Class Cephalopoda (of Phylum Mollusca ) examples

Answer 23

squids, octopods, Nautilus

Question 24

Class Cephalopoda (of Phylum Mollusca ) have

Answer 24

Active, predatory swimmers

Tentacles surround the mouth

Question 25

common name for Phylum Annelida

Answer 25

Segmented Worms

Question 26

Phylum Annelida examples

Answer 26

Aquatic worms, earthworms, leeches

Question 27

Phylum Annelida have (3)

Answer 27

Conspicuously long bodies Segmentation – both internally and externally Large, compartmentalized coelom

Question 28

are commonly known as _________ and are _______ to humans

Answer 28

Roundworms) | Parasitic

Question 29

Phylum ArRRRrthropoda have (3)

Answer 29

Segmented animals with paired, jointed appendages Armorlike exoskeleton of chitin Molting necessary for arthropod to grow

Question 30

ArRRRrthropoda examples

Answer 30

Myriapods,Arachnids

Question 31

Subphylum Crustacea examples

Answer 31

Lobsters, crabs, shrimp, pill bugs,barnacles

Question 32

Subphylum Crustacea have

Answer 32

Body with cephalothorax and abdomen | Most have five pairs of walking legs

Question 33

Subphylum Hexapoda are commonly known as

Answer 33

insects - including Metamorphosis

Question 34

why are insects so biologically sussesful (6)

Answer 34

their exoskeleton, segmentation, specialized jointed appendages, ability to fly, and metamorphosis