Chapter 1 Review - Assessment

1.

Multiple Choice

1 min

1 pt

Testing hypotheses often involves designing experiments. Which of the following is the factor that is OBSERVED and MEASURED in an experiment?

control group

experimental group

dependent variable

independent variable

2.

Multiple Choice

1 min

1 pt

Dr. Smith reads two research papers that present different conclusions about the same question. He knows the researcher who wrote Paper A, but does not know the authors of Paper B. When asked which paper he thinks has more merit, Dr. Smith replies, "Paper A."

Because of Dr. Smith's connection to some of the researchers, he could be exhibiting.

bias

inference

observation

skepticism

3.

Multiple Choice

1 min

1 pt

Jane Goodall spent years with the chimpanzees of Gombe. Sitting quietly for hours, she watched the animals closely and took notes about their behavior.

What was Jane Goodall doing?

testing variables

watching a control group

making observation

applying a stimulus

4.

Multiple Choice

1 min

1 pt

After her run, Aisha felt thirsty. Thirst was her body's way of telling her she needed more water to maintain ______.

growth

metabolism

development

homeostasis

5.

Multiple Choice

1 min

1 pt

Tamar is talking about evolution with a friend. The friend says, "It's just a theory, so I don't believe it. When they prove it and it becomes the law of evolution, then maybe I'll change my mind."

Which of these possible replies best describes scientific principles or the work of scientists?

Scientific theories do not become scientific laws; they are explanations for natural phenomena based on evidence.

Science always finds the right answer; the answers that scientists and researchers discover never change.

He should be wary of science because it is based on research and evidence, not bias and opinion.

Scientists take each other at their word regarding experimental results, and the public should, too.

6.

Multiple Choice

1 min

1 pt

Camille notices that the leaves of her pothos plant are drooping this morning. The leaves were not droopy yesterday. She decides the plant needs to be watered. What had Camille just done?

calculated the probability of the plant's ability to survive without water

devised a controlled experiment about the effect of water on plant leaves

formed a hypothesis based on quantitative data she has collected

made an inference based on past experience and observation

7.

Multiple Choice

1 min

1 pt

Which of the following statements about science is accurate?

Science deals with the investigation of supernatural events and creatures.

Science is a list of beliefs and facts that is constant and unchanging.

Science involves collecting and organizing data about the natural world.

Science is the process of finding evidence that supports what you already think.

8.

Multiple Choice

1 min

1 pt

Dr. Sanchez and her team have observed an unusual star in the Andromeda galaxy. Their data suggests that the star is being consumed by a nearby black hole. They write a scientific paper about their work and submit it to a scientific journal. Other scientists read their paper and look for the unusual star as well.

The other scientists are participating in which of these activities?

data collection

peer review

developing a hypothesis

developing a theory

9.

Multiple Choice

1 min

1 pt

Michael's grandmother is taking part in an experiment to determine how well a new headache medication works. In this experiment, the people in Group A are taking the new medication. The people in Group B, including Michael's grandmother, are taking a pill that does not contain the new medication.

In this experiment, what is Group B?

Group B is the control group

Group B is the experimental group

Group B is the independent variable

Group B is the dependent variable

10.

Multiple Select

1 min

1 pt

Much evidence has been discovered to support biological theories such as cell theory and germ theory, and no evidence has been found to prove these theories incorrect. Which statements are true about theories in general? SELECT ALL THE ANSWERS THAT APPLY

Theories may become scientific law

Theories are broad and useful explanations for how the world works

Theories are accepted as absolute truth in the scientific community

Theories are dynamic and complex, and constantly subject to revision

11.

Multiple Choice

1 min

1 pt

Science began out of humankind's natural curiosity to understand and explain the interactions and processes of the natural world. Science aims to use these explanations to understand patterns in nature, as well as to address issues that face the natural world and human society.

Which statement BEST reflects the efforts of scientists in pursuing the goals of science?

Scientists make observations and conduct experiments in order to establish facts.

Scientists attempt to resolve questions of belief with scientific facts.

Scientists review and revise current explanations when new evidence arises.

Scientists emphasize data that support their hypotheses and ignore data that does not.

12.

Multiple Select

1 min

1 pt

Scientists' understanding of viruses has advanced greatly in the last fifty years. Which STATEMENTS give evidence to support the classification of viruses as nonliving? Choose ALL the statements that apply.

Viruses are made up of proteins, nucleic acids, and sometimes lipids.

Viruses do not respond to changes in the environment around them.

All viruses are parasites and depend entirely upon living cells for their existence.

Viruses must infect living cells in order to reproduce.

13.

Multiple Choice

1 min

1 pt

In biology, the different areas of study are connected and overlap in various ways, with concepts that cut across all disciplines. Which pair of crosscutting concepts are BEST exemplified when birds fly south when winter comes in the United State, and north when spring arrives? Choose one

stability and change; scale, proportion, and quantity

systems and system models; scale, proportion, and quantity

pattern; cause and effect

energy and matter: flows, cycles, and conservation patterns.

14.

Multiple Choice

1 min

1 pt

Biologists have certain criteria that must be met if something is to be considered living. All living things are made up of cells and have ____ which carries the genetic code.

metabolism

evolve

DNA

stimuli

15.

Multiple Choice

1 min

1 pt

Living things ________ either sexually or asexually.

reproduce

homeostasis

stimuli

DNA

16.

Multiple Choice

1 min

1 pt

The chemical reactions of __________ help and organism use materials and energy to stay alive.

metabolism

evolve

DNA

stimuli

17.

Multiple Choice

1 min

1 pt

Living things respond to ______, signals that come from within or from the environment.

metabolism

DNA

evolve

stimuli

18.

Multiple Choice

1 min

1 pt

Most organisms maintain a stable internal environment and the process by which they do this is __________.

reproduce

homeostasis

stimuli

DND

19.

Multiple Choice

1 min

1 pt

Living things can also change over time, or ________

metabolism

evolve

DNA

stimuli

20.

Multiple Choice

1 min

1 pt

Good scientists are ______ about the world and make careful ________.

creative; evidence

hypotheses; curious

observations; skeptics

curious; observations

21.

Multiple Choice

1 min

1 pt

Although they must be ________, they should be willing to change their minds ideas when the _______ demands it.

skeptics; evidence

creative; evidence

hypotheses; curious

observations; skeptics

22.

Multiple Choice

1 min

1 pt

Good scientists are also ____ when proposing ______ and designing experiments.

creative; hypotheses

curious; observations

skeptics; creative

evidence; hypotheses

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