kingdoms

Question 1

animal with a backbone

Answer 1

vertebrate

Question 2

animal without a back bone

Answer 2

invertebrate

Question 3

a mass of nerve cells

Answer 3

ganglion

Question 4

a digestive tract

Answer 4

gut

Question 5

body cavity that contains internal organs

Answer 5

colem

Question 6

the two sides of its body mirror each other

Answer 6

bilateral symmetry

Question 7

body is organized around a center

Answer 7

radical symmetry

Question 8

its body is not organized around a center

Answer 8

Asymmetry

Question 9

a soft porpous substance originally consisting of the fiberus skeleton of an invertebrate

Answer 9

sponges

Question 10

an aquatic invertebrate animal of the phylum cndaria

Answer 10

cnidarians

Question 11

a worm of a phylum such as tapeworms

Answer 11

flatworms

Question 12

a parasite found in animals intestines

Answer 12

round worms

Question 13

consisting of snails slugs and octopuses that are invertebrates

Answer 13

Mollusks

Question 14

organism that obtains food by feeding on other organisms

Answer 14

consumer

Question 15

pump blood into a hemocoel with the blood

Answer 15

Open circulatory system

Question 16

have the blood closed at all times within vessels of different size and wall thickness

Answer 16

Closed circulatory system

Question 17

are a large phylum

Answer 17

Annelid worms

Question 18

a rigid external covering for the body in some invertebrate animals

Answer 18

Exoskeleton

Question 19

an eye consisting of an array of numerous small visual units, as found in insects and crustaceans

Answer 19

Compound eye

Question 20

either of a pair of long, thin sensory appendages on the heads of insects, crustaceans, and some other arthropods

Answer 20

Antenna

Question 21

the process of transformation from an immature form to an adult form in two or more distinct stages.

Answer 21

Metamorphosis

Question 22

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

Answer 22

Endoskeleton

Question 23

a network of water vessels in the body, the tube feet being operated by hydraulic pressure within the vessels

Answer 23

Water vascular system