Characteristics of Life

In an experiment, the control group...

• is exposed to the treatment

• serves as a comparison for evaluating the effects of the treatment

• is the variable dependent on another

• changes with each repetition of a lab

Which characteristic of life is represented by sweating when it is hot outside?

• homeostasis

• adaptation

• reproduction

• using energy

Which of the following characteristics of living things best explains why birds fly south for the winter?

• response to their environment

• maintain internal balance

• cellular organization

• reproduction

Viruses are formed in their fully formed state. Which characteristic of life in NOT met by this statement.

• cellular organization

• homeostasis

• metabolism

• growth & development

True/False: Scientists have confirmed that viruses are not living

• True

• False

Which characteristic is shared by all prokaryotic and eukaryotic organisms?

• the ability to reproduce asexually

• the ability to make their own food

• the need for a source of energy

• the need for oxygen for respiration

Which characteristic is shared by all prokaryotic and eukaryotic organisms?

• have organ systems

• make their own food

• contain genetic material

• need oxygen gas to breathe

Most organisms maintain a reserve of ATP (energy molecules). Which feature of organisms makes the ATP reserve necessary?

• They have cell membranes

• They can change over time

• The use energy to function

• They have the ability to reproduce

Organisms that make their own food by using energy from the sun are called....

• autotroph

• heterotroph

• consumer

• homeostasis

Which of the following describes homeostasis?

• All living things are made of cells

• Asexual reproduction, which allows organisms to reproduce on their own

• To be able to adapt to the environment

• Maintaining internal conditions