Human Biology - Mader - Ch. 1 Exploring Life And Science

Front 1

What is a characteristic of living things that sets them apart from the nonliving?

Back 1

(a) respond to a stimulus
(b) grow and reproduce
(c) adaptation to a way of life
(d) All of these are characteristics of living things

Hint 1

(d) All of these are characteristics of living things

Front 2

_____________ is the study of life, using the scientific method.

Back 2

(a) Science
(b) Biology
(c) Chemistry
(d) Culture

Hint 2

(b) Biology

Front 3

Choose the highest level of organization:

Back 3

(a) tissues
(b) organs
(c) cells
(d) organ systems

Hint 3

(d) organ systems

Front 4

What is meant by "maintaining homeostasis?"

Back 4

(a) to keep a living area neat and clean
(b) to keep the population size within certain limits
(c) to maintain the internal environment for cells within certain limits
(d) to keep predators at bay, protecting the family unit

Hint 4

(c) to maintain the internal environment for cells within certain limits

Front 5

What human organ system is responsible for exchanging gases with the outside environment?

Back 5

(a) respiratory system
(b) endocrine system
(c) excretory system
(d) circulatory system

Hint 5

(a) respiratory system

Front 6

Choose the correct statement about how humans fit in with the rest of nature.

Back 6

(a) Humans are part of the evolutionary process.
(b) Humans depend on the environment for many services.
(c) Humans are a part of the biosphere.
(d) All of these are correct.

Hint 6

(d) All of these are correct.

Front 7

What part of human existence makes us think we are separate from nature?

Back 7

(a) our evolutionary history
(b) our use of homes
(c) our cultural heritage
(d) our cellular chemistry differs from other living things

Hint 7

(c) our cultural heritage

Front 8

In what way(s) do humans threaten the biosphere and damage ecosystems?

Back 8

(a) human activities reduce biodiversity
(b) humans clear forests for farmland
(c) humans tend to alter ecosystems
(d) All of these are ways humans threaten the biosphere and damage ecosystems.

Hint 8

(d) All of these are ways humans threaten the biosphere and damage ecosystems.

Front 9

A(n) ____________ is a scientific theory that is accepted as valid by an overwhelming number of scientists.

Back 9

(a) hypothesis
(b) principle
(c) objective observation
(d) conclusion

Hint 9

(b) principle

Front 10

Organisms within communities and ecosystems feed on one another to obtain energy and nutrients. What component does not cycle within an ecosystem?

Back 10

(a) soil nutrients
(b) energy
(c) The gene theory declares that organisms contain coded information that dictates their form, function and behavior [refer to section 1.3].
(d) components of hard animal structures

Hint 10

(b) energy

Front 11

In what way(s) do humans threaten the biosphere and damage ecosystems?

Back 11

(a) human population size continues to increase rapidly
(b) humans clear forests for farmland
(c) humans tend to alter ecosystems
(d) All of these are ways humans threaten the biosphere and damage ecosystems.

Hint 11

(d) All of these are ways humans threaten the biosphere and damage ecosystems.

Front 12

Koch's postulates are used in order to show:

Back 12

(a) that the steps in the scientific method are being followed
(b) that conclusions are interpreted without bias
(c) that a pathogen causes a particular disease
(d) how treatment and control groups are assigned in an experiment

Hint 12

(c) that a pathogen causes a particular disease

Front 13

The __________ theory declares that all organisms contain coded information that dictates their form, function and behavior.

Back 13

(a) gene
(b) evolution
(c) cell
(d) homeostasis

Hint 13

(a) gene

Front 14

Information from scientific journals is more highly regarded than information from other sources because:

Back 14

(a) the materials has gone through a review process
(b) the author is usually the investigator who did the research
(c) they are usually easier to read and understand
(d) Both a and b are correct answers

Hint 14

(d) Both a and b are correct answers

Front 15

Which of the following would be a URL ending for a website that you would be least likely to trust for scientific information?

Back 15

(a) .edu
(b) .com
(c) .gov
(d) .org

Hint 15

(b) .com

Front 16

Which of the following tells us how uncertain a particular value is in a report of a scientific study?

Back 16

(a) standard error
(b) statistical significance
(c) correlation
(d) statistical data

Hint 16

(a) standard error

Front 17

Which of the following is not a component of a statistical study?

Back 17

(a) data collection
(b) data analysis
(c) experimentation
(d) generation of a conclusion

Hint 17

(c) experimentation

Front 18

A keystone species is one:

Back 18

(a) that serves as the first link in a food chain
(b) that is first to exploit a newly available habitat
(c) whose extinction will have an effect throughout a community
(d) All of these are correct

Hint 18

(c) whose extinction will have an effect throughout a community

Front 19

Polar bears are vulnerable to extinction because of:

Back 19

(a) chemical pollution
(b) global warming
(c) oil and gas exploration
(d) All of these are correct

Hint 19

(d) All of these are correct

Front 20

A practice that involves the storage of embryos, sperm and eggs at very low temperatures is called:

Back 20

(a) cryopreservation
(b) in vitro fertilization
(c) embryology
(d) bioethics

Hint 20

(a) cryopreservation