Biology
Biology
10th Edition
ISBN: 9780321844804
Author: Audesirk, Teresa/ Audesirk
Publisher: Pearson College Div
Question
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Chapter 23, Problem 1FIB
Summary Introduction

Introduction:

The animals differ from other types of organisms, such as plants, fungi, and bacteria. The animals have certain unique characteristics that allow animals to function differently from other organisms.

Expert Solution & Answer
Check Mark

Answer to Problem 1FIB

Correct answer:

Animals obtain energy by consuming other organisms; they generally reproduce sexually, and their cells lack cell walls.

Explanation of Solution

The process, in which organisms of acquiring nutrients from other living organisms is heterotropism. This is seen in animals and fungal species. This occurs by eating other animals. The mode of reproduction in animals is a sexual reproduction. The gametes are formed in different sexes and their fusion leads to the formation of the new individual. The animal cells do possess cell membrane but not have a cell wall.

Conclusion

The animal cells lack cell walls, reproduce sexually, and acquire nutrients from other organisms.

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