Introduction To Animals

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Quiz on Chapter 27 Introduction To Animals

Questions and Answers

1.

Which characteristic is not in all animals?
- A.
  
  Diploidy
- B.
  
  Heterotrophy
- C.
  
  Mobility
- D.
  
  Multicellularity
- E.
  
  No Cell Wall
Correct Answer
A. Diploidy
2.

This layer of cells develops into the outer layers of the skin; nervous system; and sense organs.
- A.
  
  Ectoderm
- B.
  
  Endoderm
- C.
  
  Mesoderm
Correct Answer
A. Ectoderm
3.

This layer of cells develops most of the skeleton; muscles; circulatory system; reproductive organs; excretory organs.
- A.
  
  Ectoderm
- B.
  
  Endoderm
- C.
  
  Mesoderm
Correct Answer
C. Mesoderm
4.

What kind of body plan has parts arranged around a central axis?
- A.
  
  Asymmetrical
- B.
  
  Bilateral
- C.
  
  Radial
Correct Answer
C. Radial
5.

The fluid filled space found between the body wall and the digestive tract or gut.

Correct Answer
coelom
coeloms
6.

Animals that have a body cavity located between the mesoderm and endoderm. False coelom.

Correct Answer
pseudocoelomates
pseudocoelomate
7.

What is a rigid external skeleton that enhances the body of an animal?

Correct Answer
Exoskeleton
Exoskeletons
8.

What is the term used for an organism that have both testes and ovaries?

Correct Answer
hermaphrodites
hermaphrodite
9.

The ability of an organism to re-grow lost parts.
- A.
  
  Binary Fission
- B.
  
  Budding
- C.
  
  Regeneration
- D.
  
  Reproduction
Correct Answer
C. Regeneration
10.

When an organism pinches off and forms a new organism.
- A.
  
  Binary Fission
- B.
  
  Budding
- C.
  
  Regeneration
- D.
  
  Reproduction
Correct Answer
B. Budding

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Current Version
Jan 11, 2013

Quiz Edited by
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Apr 22, 2010

Quiz Created by
Thomasc

Introduction To Animals

Which characteristic is not in all animals?

This layer of cells develops into the outer layers of the skin; nervous system; and sense organs.

This layer of cells develops most of the skeleton; muscles; circulatory system; reproductive organs; excretory organs.

What kind of body plan has parts arranged around a central axis?

The fluid filled space found between the body wall and the digestive tract or gut.

Animals that have a body cavity located between the mesoderm and endoderm. False coelom.

What is a rigid external skeleton that enhances the body of an animal?

What is the term used for an organism that have both testes and ovaries?

The ability of an organism to re-grow lost parts.

When an organism pinches off and forms a new organism.