Invertebrate

Question 1

an animal that has a backbone

Answer 1

Vertebrates

Question 2

an animal that does not have a backbone

Answer 2

Invertebrates

Question 3

an organism that eats other organisms or organic matter

Answer 3

Consumer

Question 4

a mass of nerve cells

Answer 4

Ganglion

Question 5

the digestive tract

Answer 5

Gut

Question 6

a body cavity that contains internal organs

Answer 6

Coclom

Question 7

the property of being divisible into symmetrical halves on either side of a unique plane.

Answer 7

Bilateral Symmetry

Question 8

symmetry around a central axis, as in a starfish or a tulip flower.

Answer 8

Radial Symmetry

Question 9

lack of equality or equivalence between parts or aspects of something; lack of symmetry.

Answer 9

Asymmetry

Question 10

are the basal most clade of animals of the phylum Porifera (/pɒˈrɪfərə/; meaning “pore bearer”. They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through them, consisting of jelly-like mesohyl sandwiched between two thin layers of cells.

Answer 10

Sponge

Question 11

any invertebrate animal, as a hydra, jellyfish, sea anemone, or coral, considered as belonging to the phylum Cnidaria, characterized by the specialized stinging structures in the tentacles surrounding the mouth; a coelenterate. adjective. 2. belonging or pertaining to the Cnidaria. Origin of cnidarian Expand.

Answer 11

Cnidarians

Question 12

any parasitic or free-living invertebrate of the phylum Platyhelminthes, including planarians, flukes, and tapeworms, having a flattened body with no circulatory system and only one opening to the intestine. flatworm in Medicine Expand. flatworm flat·worm

Answer 12

flatworms

Question 13

constitute the phylum Nematoda

Answer 13

roundworms

Question 14

The molluscs compose the large phylum of invertebrate animals known as the Mollusca

Answer 14

Mollusks

Question 15

a circulatory system in which the circulatory fluid is not contained entirely within vessels

Answer 15

Open circulatory system

Question 16

a circulatory system which the heart circulates blood through a network of vessels that for a closed loop

Answer 16

Closed circulatory system

Question 17

are a large phylum, with over 17,000 extant species including ragworms, earthworms, and leeches.

Answer 17

Annelid worms

Question 18

a hard, external, structure

Answer 18

Exoskeleton

Question 19

an eye composed of many light detectors

Answer 19

Compound Eye

Question 20

a feeler that that is on the head of an interaterb such as a crustacean or an an insect and that senses touch taste or smell

Answer 20

Antenna

Question 21

a phase in the life cycle of many animals during which a rapid change from immature from an organism to the audulte form

Answer 21

Metamorphosis

Question 22

an internal skeleton made of bones and cartilage

Answer 22

Endoskeleton

Question 23

a system of canals filled with a watery fluid that circulates throughout the body of an echinoderm

Answer 23

Water vascular system