ch 15 Animals

Question 1

Main Features of Animals

Answer 1

• Eukaryotes
• multicellular
• some heterotrophs
• obtains energy thru digesting living or dead things
• specialized tissues
• can move
• reproduce sexually mostly

Question 2

Connective Tissue - Animals

Answer 2

type of complex tissue
- used for transport and structual support

Question 3

Epithelial Tissue - Animals

Answer 3

type of complex tissu
- covers internal and external organs
ex skin

Question 4

Muscle Tissue - animals

Answer 4

type of complex tissue
- for body movement

Question 5

Nervous Tissue - Animals

Answer 5

type of complex tissue
- spinal fluid with nerons attahced

Question 6

name the ways Sexual Reproduction can happen with animals

Answer 6

• internally - humans egg and sperm
• externally - frogs lay eggs and males fertilize

Question 7

what is Complete and Incomplete Metaphorsis

Answer 7

• complete = when the juvinile or child version develops to look completely different child to adult
• incomplete = molting, but juvi still looks like adult in way ex snake

Question 8

how do animals reproduce asexually and which animal does this

Answer 8

• budding thru mitosis
• hydras

Question 9

Parthegenesis

Answer 9

unfertilized egg develops into FEMALE offspring

Question 10

Asymmetrical Organism

Answer 10

organism has no pattern when cut in any plane

Question 11

Radial Symmtry

Answer 11

even when cut down any plane

Question 12

Bilateral Symmetry

Answer 12

only even when cut down the middle or one plane

Question 13

Diploblastic

Answer 13

organisms with 2 germ layers

Question 14

Triploblastic

Answer 14

organisms with 3 germ layers

Question 15

how many tissue layers do Radially symmtrical organism have

Answer 15

two - diploblasts

Question 16

how many tissue layers do Bliateral organisms have

Answer 16

three - Triploblkasts

Question 17

Endoderm

Answer 17

inner most germ layer

Question 18

Mesoderm

Answer 18

middle germ layer
- only in Triploblasts

Question 19

Extoderm

Answer 19

outer most germ layer

Question 20

Coelum

Answer 20

body cavity in Triploblasts

Question 21

Acoelumate

Answer 21

Triploblasts with no body cavity (coelum)

Question 22

Eucoelomates

Answer 22

Triploblasts with TRUE COELUM all over the mesoderm

Question 23

Protostomes

Answer 23

organisms first hole (Blastopore) is the mouth

Question 24

Deuterostomes

Answer 24

organisms first hole is the anus

Question 25

some characteristics of Sea Sponges

Answer 25

- Phylum Porifera - lives in aquatic, marine (salty) areas - Asymmetrical - NO GERM LAYERS - has Osculum where water flows thru - invertebrate

Question 26

Choancytes

Answer 26

flat inner cells in SPONGES for feeding

Question 27

some characteristics of Jellies and Hydras

Answer 27

- Phylum Cnidarian - lives in ONLY marine areas - Radial Sym - Diploblasts - 2 germ layers - invertabrates

Question 28

Jelly Cnidocytes

Answer 28

specialized cells that are used to immobolize prey

Question 29

describe Medusa Jelly type

Answer 29

the typical looking jelly - moves - tentacles coming out of hed

Question 30

describe Polyp Jelly Type

Answer 30

- odesnt move - tentacles stick up

Question 31

what is the phylum of Flatworms

Answer 31

Phylum Platyhelminthes

Question 32

some characteristics of Platythelminthes

Answer 32

- Triploblasts - bilateral - protostomes - acolelumates

Question 33

what phylum are roundworms in

Answer 33

Phylum Nematoda = menatodes - nema the roundworm

Question 34

some characteristics of roundworms

Answer 34

- triploblasts - bilateral - protostomes - PSEUDOCOELUMATE

Question 35

what does a round worm look like

Answer 35

- tube like but TAPERED at end

Question 36

what phylum are insects in

Answer 36

Arthropoda(s)

Question 37

describe characteristics of Arthropods

Answer 37

- triploblasts - bilateral - protostomes - invertebrates - incomplete metaphorsis - appendages r jointed - body is segmented

Question 38

what phylum do octopi and sea snails belong in

Answer 38

Molluska

Question 39

some characteristics of Moluska

Answer 39

- triploblasts - bilateral - protostomes - invertebrates - MUSCULAAR FOOT

Question 40

Visceral Mass - Mollusks

Answer 40

contains the organs

Question 41

Dorsal Mantle - Molluska

Answer 41

flap of tissue covering visceral mass

Question 42

Mantle - Mollusks

Answer 42

secrets calcium and a carbonate chell

Question 43

characteristics of Annelids

Answer 43

- segmented worms - in marine areas - triploblasts - bilateral - protostomes - invertebrates ex earth worms. leeches

Question 44

Metamerism - Annelids

Answer 44

modificatiosn happen separately in each of the segments and perform different fucntions

Question 45

what phylum are sea stars in

Answer 45

Echinoderms

Question 46

characteristics of echinoderms

Answer 46

- bilateral as CHILD - pentearadial (5 way) as ADULT - DEUTEROSTOMES (first hole is anus) - calcareulos endoskeleton - has water vascular system as their circulatroy system

Question 47

what phylum are mammals, reptiles, fish, birds and amphibians in

Answer 47

PHYLUM CHORDATA CHORDATESS

Question 48

DESCRIBE the general charcteristics of Chordates

Answer 48

- triploblasts - bilateral - deuterostomes - VERTEBRATES (hav back bone)

Question 49

Notochord

Answer 49

- in Chordates becomes the vertebrae

Question 50

Dorsal Hollow Nerve Chord

Answer 50

- in Chordates, becomes spinal cord and brain

Question 51

which phylum has the post anal tail

Answer 51

chordates

Question 52

which chordates are Invertabrae

Answer 52

Sea SQUIRTS

Question 53

examples of jawless and jawed fish

Answer 53

jawless = hagfish, lampreys jawed = ray-finned fish, lung fish like EELS, SALMON

Question 54

what are reptilians scales made of

Answer 54

keratin and wax lipids

Question 55

Endothermic - Birds

Answer 55

they generate their own body heat

Question 56

what are the unique characteristics that Mammals have

Answer 56

- hair - MAMMARY GLANDS to secrete milk - hair to insulate heat and create sensations