Question 1

Which of the following is NOT one of the seven characteristics of life as described in the study materials?

Accepted Answer

Ability to photosynthesize

Question 2

A scientist observes that metal bars sink in water, while wood floats. According to the scientific method, what is the next logical step after making this observation?

Accepted Answer

Form a hypothesis about why some objects sink and others float

Question 3

Which organizational level is present only in multicellular eukaryotes, according to the study materials?

Accepted Answer

Organ systems

Question 4

Homeostasis is best defined as:

Accepted Answer

The tendency of life to try and maintain the structure and regulate the internal environment

Question 5

Which of the following is an example of a response to stimuli in plants?

Accepted Answer

A plant growing toward sunlight through a window

Question 6

Which domain contains only prokaryotic organisms?

Accepted Answer

Bacteria

Question 7

The genetic information for how to build an offspring is stored in:

Accepted Answer

DNA

Question 8

Which process allows autotrophs to acquire energy?

Accepted Answer

Photosynthesis

Question 9

If evolutionary changes do NOT occur fast enough to keep up with environmental changes, what is the likely outcome for a species?

Accepted Answer

The species will go extinct

Question 10

Which of the following best describes a scientific theory?

Accepted Answer

An explanation of natural events based on many observations and/or experiments

Question 11

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

Accepted Answer

Atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, community, ecosystem, biosphere

Question 12

Which of the following is an example of metabolism?

Accepted Answer

Changing raw material and energy into forms needed for growth and reproduction

Question 13

Which statement about natural causality is TRUE according to the scientific method?

Accepted Answer

Natural causes obey natural laws

Question 14

In binomial nomenclature, which of the following is the correct way to write the scientific name for humans?

Accepted Answer

$$Homo\ sapiens$$

Question 15

Which of the following best illustrates the concept of 'complex, organized structure' in living organisms?

Accepted Answer

Cells are made up of molecules that interact to form tissues, which then form organs

Question 16

A population of insects is exposed to a pesticide. Over several generations, some insects survive and reproduce, passing on genes that confer resistance. This is an example of:

Accepted Answer

Adaptation through natural selection

Question 17

Which of the following is a multi-step process that integrates both observation and experimentation in the scientific method?

Accepted Answer

Making a hypothesis, conducting experiments, and drawing conclusions

Question 18

Which of the following statements about domains and kingdoms is correct?

Accepted Answer

Domains are larger groupings than kingdoms and are based on shared evolutionary relationships

Question 19

Which of the following is an example of an autotroph?

Accepted Answer

A plant using sunlight to make food

Question 20

If a scientist drops a 25-pound log, 10 pounds of ice, and a metal bar into water to see which sinks, which part of the scientific method is being performed?

Accepted Answer

Conducting experiments

Introduction to Life on Earth: Characteristics of Living Organisms and Scientific Method

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