Invertebrate Animals

Question 1

Vertebrate

Answer 1

an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.

Question 2

Invertebrate

Answer 2

an animal lacking a backbone, such as an arthropod, mollusk, annelid, coelenterate

Question 3

Consumer

Answer 3

An organism that generally obtains food by feeding on other organisms or organic matter

Question 4

Ganglion

Answer 4

Mass of nerve tissue; a group of nerve cell bodies

Question 5

Gut

Answer 5

The portions of the alimentary canal, particularly the stomach and the intestines

Question 6

Coelom

Answer 6

A coelom is a fluid-filled body cavity that is completely lined by tissue created from the mesoderm

Question 7

Bilateral Symmetry

Answer 7

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

Question 8

Radial Symmetry

Answer 8

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

Question 9

Asymmetry

Answer 9

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

Question 10

Sponges

Answer 10

Any of numerous aquatic, chiefly marine invertebrate animals of the phylum Porifera.

Question 11

Cnidarians

Answer 11

any invertebrate animal, as a hydra, jellyfish, sea anemone, or coral, considered as belonging to the phylum Cnidaria

Question 12

Flatworms

Answer 12

Any of the worms belonging to the phylum Platyhelminthes, characterized by a flattened and bilaterally symmetrical body.

Question 13

Roundworms

Answer 13

A type of parasitic worm that hatches in the intestines and lives there.

Question 14

Mollusks

Answer 14

Any of a large phylum of invertebrate animals with a soft unsegmented body usually enclosed in a calcareous shell broadly

Question 15

Open Circulatory System

Answer 15

pumps blood into a hemocoel with the blood diffusing back to the circulatory system between cells.

Question 16

Closed Circulatory System

Answer 16

Closed circulatory systems have the blood closed at all times within vessels of different size and wall thickness.

Question 17

Annelid worms

Answer 17

The annelids, also known as the ringed worms or segmented worms, are a large phylum.

Question 18

Exoskeleton

Answer 18

a rigid external covering for the body in some invertebrate animals, especially arthropods, providing both support and protection.

Question 19

Compound Eye

Answer 19

A compound eye is a visual organ found in arthropods such as insects and crustaceans.

Question 20

Antenna

Answer 20

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

Question 21

Metamorphosis

Answer 21

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

Question 22

Endoskeleton

Answer 22

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

Question 23

Water Vascular System

Answer 23

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