Question 1

Which of the following best describes the property of 'regulation' as it applies to living organisms?

Accepted Answer

The maintenance of internal conditions within certain boundaries, such as body temperature or pH.

Question 2

A scientist is studying a population of fish that have developed thicker scales in response to increased predation. Which property of life does this scenario best illustrate?

Accepted Answer

Evolutionary adaptation

Question 3

Which of the following is the correct sequence of the organizational hierarchy of life from largest to smallest?

Accepted Answer

Biosphere, ecosystem, community, population, organism

Question 4

Which of the following is NOT one of the five unifying themes of biology?

Accepted Answer

Gravity

Question 5

A biologist observes that all the living things in a pond interact with each other and with the nonliving components such as water and rocks. What level of biological organization is being studied?

Accepted Answer

Ecosystem

Question 6

Which property of life is demonstrated when a plant bends toward sunlight?

Accepted Answer

Response to environment

Question 7

If a scientist is studying the transfer of energy from plants to herbivores in a grassland, which unifying theme of biology is most directly being investigated?

Accepted Answer

Energy and matter

Question 8

Which of the following best illustrates the concept of 'emergent properties' in biology?

Accepted Answer

A functioning heart that can pump blood, even though individual heart cells cannot pump blood on their own.

Question 9

Which of the following scenarios best demonstrates the theme of 'information' in biology?

Accepted Answer

A cell using DNA to synthesize proteins.

Question 10

A researcher is examining how the removal of a top predator affects the populations of other species in a forest. Which level of biological organization is the focus of this study?

Accepted Answer

Community

Question 11

Which of the following is an example of a population?

Accepted Answer

All the oak trees in a forest

Question 12

Which of the following best describes the biosphere?

Accepted Answer

All life on Earth and all the places where life exists

Question 13

Which of the following is an example of evolutionary adaptation?

Accepted Answer

A population of insects developing resistance to a pesticide over several generations

Question 14

Which property of life is most directly related to the process of mitosis?

Accepted Answer

Growth and development

Question 15

A scientist is studying the cycling of carbon through living and nonliving components of a forest. Which unifying theme of biology does this research best represent?

Accepted Answer

Energy and matter

Question 16

Which of the following best describes a community in biological terms?

Accepted Answer

All the populations of different species living and interacting in a particular area

Question 17

Which of the following is an example of the theme 'interactions' in biology?

Accepted Answer

A bee pollinating a flower while collecting nectar

Question 18

Which of the following best illustrates the concept of 'order' as a property of life?

Accepted Answer

The highly organized structure of a sunflower's seeds arranged in a spiral pattern

Question 19

A population of bacteria is exposed to an antibiotic. After several generations, most of the bacteria are resistant to the antibiotic. Which property of life and unifying theme does this scenario best illustrate?

Accepted Answer

Evolutionary adaptation and evolution

Question 20

Which of the following best describes the relationship between DNA and the property of 'information' in living organisms?

Accepted Answer

DNA stores genetic instructions that guide the development and functioning of organisms.

Introduction to Biology: Properties of Life and Unifying Themes

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