invertebrate

Question 1

Vertebrates

Answer 1

an animal that has a backbone

Question 2

Invertebrates

Answer 2

an animal that does not have a backbone

Question 3

Consumer

Answer 3

an organism that eats other organisms

Question 4

Ganglion

Answer 4

a mass of nerve cells

Question 5

Gut

Answer 5

the digestive tract

Question 6

Coelom

Answer 6

a body cavity that contains the internal organs

Question 7

Bilateral Symmetry

Answer 7

the two sides of the animal’s body mirror each other

Question 8

Radial Symmetry

Answer 8

body is organized around the center

Question 9

Asymmetry

Answer 9

its body is not organized around a ceater

Question 10

Sponges

Answer 10

Sponges are the basalmost clade of animals of the phylum Porifera

Question 11

Cnidarians

Answer 11

Cnidaria is a phylum containing over 10,000 species of animals found exclusively in aquatic environments

Question 12

Flatworms

Answer 12

a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates.

Question 13

Roundworms

Answer 13

constitute the phylum Nematoda.

Question 14

Mollusks

Answer 14

Mollusks are the largest marine phylum, comprising about 23% of all the named marine organisms.

Question 15

Open circulatory system

Answer 15

invertebrates, have a open circulatory system.

Question 16

Closed circulatory system

Answer 16

Vertebrates have closed circulatory system

Question 17

Annelid worms

Answer 17

ragworms, earthworms, and leeches.

Question 18

Exoskeleton

Answer 18

In usage, some of the larger kinds of exoskeletons are known as “shells”.

Question 19

Compound eye

Answer 19

as found in insects and crustaceans.

Question 20

Antenna

Answer 20

ants and bugs have these

Question 21

Metamorphosis

Answer 21

a caterpillar into a butterfly and, in amphibians, the changing of a tadpole into a frog.

Question 22

Endoskeleton

Answer 22

an internal skeleton, such as the bony or cartilaginous skeleton of vertebrates.

Question 23

Water vascular system

Answer 23

hydraulic system used by echinoderms, such as sea stars and sea urchins,