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Chapter 1 Introduction: Biology Today Part 1 Of 4

Test Description: Campbell Essential Biology, 4e (Simon/Yeh)

Instructions: Answer all questions to get your test result.

1) In what way(s) is the science of biology influencing and changing our culture?

Aall of the above Bby revealing how mutations in genes can lead to disease Cby providing new tools for forensic investigations Dby helping us understand the relevance of evolution to human health

2) What is biology?

Athe scientific study of life Bthe scientific study of DNA Cthe scientific study of ecosystems Dthe scientific study of the environment

3) Which of the following is not a property of life?

ALiving things exhibit complex but ordered organization. BPopulations of organisms rarely change over time. COrganisms reproduce their own kind. DOrganisms take in energy and use it to perform all of life's activities.

4) What are the two main processes that ecosystems depend upon?

Asunlight and photosynthesis Bdecomposition and nutrient recycling Cspeciation and evolution Dnutrient recycling and energy flow

5) Which of the following is not recycled but is lost from ecosystems?

Acarbon Benergy Cmagnesium Dnitrogen

6) Which of the following is a producer?

Asun Bcat Cearthworm Doak tree

7) Humans are ______.

Aproducers and decomposers Bproducers Cconsumers Dproducers and consumers

8) Which of the following structures can perform all the activities required for life?

ADNA molecules Bnuclei Ccells Dorganelles

9) Relative to prokaryotic cells, eukaryotic cells are usually ______.

Alarger and more complex Bsmaller and simpler Csmaller and more complex Dlarger and equally complex

10) Humans are composed of ______ cells.

Abacterial Beukaryotic Cprokaryotic Dplant

*select an answer for all questions

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