Question 1

Which of the following is NOT a criterion for something to be considered a living thing?

Accepted Answer

Ability to remain unchanged over time

Question 2

A school of salmon swimming together in a river is best classified as which level of biological organization?

Accepted Answer

Population

Question 3

Which of the following correctly lists the levels of biological organization from smallest to largest?

Accepted Answer

Cell, Tissue, Organ, Organism, Population, Community, Ecosystem, Biosphere

Question 4

Which of the following scenarios best demonstrates a living thing responding to environmental stimuli?

Accepted Answer

A plant bending toward sunlight

Question 5

Which process is directly related to the criterion that living things 'process energy and use it to power their activities'?

Accepted Answer

Photosynthesis in plants

Question 6

A scientist observes a group of different species of fish, plants, and microorganisms living together in a pond. What level of biological organization is this?

Accepted Answer

Community

Question 7

Which of the following is an example of evolution in living things?

Accepted Answer

Bacteria developing resistance to antibiotics over generations

Question 8

Which of the following is the correct definition of an organelle?

Accepted Answer

A specialized structure within a cell that performs a specific function

Question 9

If a biologist is studying all the living things and their interactions with the nonliving environment in a forest, what level of organization are they examining?

Accepted Answer

Ecosystem

Question 10

Which of the following best describes the biosphere?

Accepted Answer

All living things on Earth

Question 11

A tissue is defined as:

Accepted Answer

A group of similar cells working together to perform a specific function

Question 12

Which of the following is an example of reproduction in living things?

Accepted Answer

A bacterium dividing to form two new cells

Question 13

Which of the following is the correct order of organization from smallest to largest?

Accepted Answer

Molecule, Organelle, Cell, Tissue, Organ, Organism, Population, Community, Ecosystem, Biosphere

Question 14

Which of the following is NOT an example of a living thing processing energy?

Accepted Answer

A rock absorbing heat from the sun

Question 15

A group of organs working together to perform a specific function is called a(n):

Accepted Answer

Organ system

Question 16

Which of the following best illustrates the concept of growth and change in living things?

Accepted Answer

A caterpillar transforming into a butterfly

Question 17

Which of the following is an example of a cell?

Accepted Answer

A neuron in the human brain

Question 18

Which of the following is a molecule?

Accepted Answer

Water ($$\mathrm{H_2O})$$

Question 19

Which of the following is an example of a real-world application of the concept of population in biology?

Accepted Answer

Counting the number of wolves in Yellowstone National Park

Question 20

Which of the following best describes an ecosystem?

Accepted Answer

All living and nonliving components interacting in a specific area

Characteristics and Classification of Living Things

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