Animals

Question 1

Bilateral symmetry

Answer 1

Anything with a head, or if cut in half, both sides would be same.

Question 2

Radial symmetry

Answer 2

All parts radiate out from central point and are same

Question 3

Asymmetrical

Answer 3

If you don’t know this I can’t help you

Question 4

Open circulatory system

Answer 4

Blood just kinda flows wherever like sponge, slow

Question 5

Closed circulatory system

Answer 5

Blood is always inside vessels, fast

Question 6

Vertebrate

Answer 6

Has backbone, only 5% of all animals, phylum Chordata

Question 7

Invertebrate

Answer 7

Doesn’t have backbone, 95% of animals on earth

Question 8

Cephalization

Answer 8

Having a head, with sense organs and nerves

Question 9

Exoskeleton

Answer 9

Skeleton is on outside

Question 10

Endoskeleton

Answer 10

Skeleton is on inside

Question 11

Animals with Fluid-filled body cavity

Answer 11

Earthworms and roundworms

Question 12

Biodiversity

Answer 12

The huge variety of organisms on this planet

Question 13

Freshwater habitat

Answer 13

Puddles, ponds, streams, rivers, lakes, inland marshes

Question 14

Marine habitat

Answer 14

Salt water - ocean

Question 15

Brackish habitat

Answer 15

Animals live in are where fresh and salt water meet - like an estuary

Question 16

Terrestrial habitat

Answer 16

Land

Question 17

Anterior

Answer 17

Head

Question 18

Posterior

Answer 18

Rear

Question 19

Dorsal

Answer 19

Back

Question 20

Ventral

Answer 20

Stomach

Question 21

Autotrophs

Answer 21

Makes own food / energy

Question 22

Heterotrophs

Answer 22

Must consume other things for food / energy

Question 23

Breathing mechanisms

Answer 23

Gills, lungs, skin, trachea/ spiracles

Question 24

Incomplete metamorphosis

Answer 24

Egg, nymph (naiad if aquatic), adult

Question 25

Complete metamorphosis

Answer 25

Egg, larva, pupa, adult

Question 26

Chrysalis

Answer 26

Pupa of butterfly

Question 27

Cocoon

Answer 27

Pupa of moth

Question 28

Coelom

Answer 28

Body cavity

Question 29

Ectoderm

Answer 29

Sense organs, nerves, skin

Question 30

Mesoderm

Answer 30

Muscles, circulatory, reproductive, and excretory organs

Question 31

Endoderm

Answer 31

Linings of digestive tract, much of respiratory system

Question 32

Blastopore

Answer 32

First hole thingy that develops in the embryonic stage

Question 33

Protosomes

Answer 33

Blastopore becomes mouth (most invertebrates)

Question 34

Deuterosomes

Answer 34

Blastopore becomes anus (Echinoderms and chordates)

Question 35

4 characteristic all chordates

Answer 35

Notochord
Dorsal, hollow nerve chord
Pharyngeal slits
Tail that extends beyond anus

Question 36

6 Characteristics of vertebrates

Answer 36

Vertebrae
Cranium
Endoskeleton
Cartilage and hard bone
Tetrapods- 4 legs
Hinged lower jaw