Chapter 23 Vocab

Question 0

Coelom

Answer 0

A body cavity in which internal organs are suspended.

Question 1

Vertebrate

Answer 1

Animals with backbone.

Question 2

Homeotherm

Answer 2

Animals that maintain a constant body temperature.

Question 3

The characteristics of animals with no particular body shape.

Answer 3

Asymmetry

Question 4

A term used to describe organisms that live in bodies of water, attached to the bottom or to objects in the water.

Answer 4

Benthic

Question 5

The characteristics of animals that are constructed along a plane running from head to a tail region, so that only a cut along one plane of this axis results in two mirror halves.

Answer 5

Bilateral Symmetry

Question 6

Animals without backbones.

Answer 6

Invertebrate

Question 7

Aquatic organisms that are not attached to the bottom.

Answer 7

Pelagic

Question 8

Animals with a variable body temperature that changes with the external environment.

Answer 8

Poikilotherm

Question 9

The characteristic of an animal with a body constructed around a certain axis; any division of the body along this axis results in two similar halves.

Answer 9

Radial Symmetry

Question 10

Firmly attached.

Answer 10

Sessile