Biology the Study of Life & How Is Biology Studied?

What are all the chemical reactions in an organism in which compounds are broken down and built up?

• metabolism

• homeostasis

• asexual

• development

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Which the following terms refers to a living thing?

• Organism

• Cell

• Virus

• Stimulus

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What is the smallest unit capable of performing life functions?

• Cell

• Virus

• Autotroph

• Heterotroph

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Which of the following statements describes homeostasis?

• Homeostasis is something in the environment that causes a response in an organism.

• Homeostasis is the process that maintains constant internal conditions despite changing environmental conditions.

• Homeostasis is the process by which an organism makes its own food from sunlight.

• Homeostasis is the process that allows an organism to use energy and exchange gases.

Choose three answers!

Which of the following are characteristics of living things?

• Living things reproduce.

• Living things respond to their environment.

• Living things are made of viruses.

• Living things spontaneously generate.

• Living things grow and change.

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NGSS.MS-LS1-5

Which of the following correctly describes a virus?

• Viruses are multicellular eukaryotic organisms that have nuclei.

• Viruses are unicellular prokaryotic organisms that do not have nuclei.

• Viruses are non-living infective agents that take over host cells to reproduce.

Which of the following statements describes a stimulus?

• A stimulus is something in the environment that causes a response in an organism.

• A stimulus is the process that maintains constant internal conditions despite changing environmental conditions.

• A stimulus is the process by which an organism makes its own food from sunlight.

• A stimulus is the process that allows an organism to use energy and exchange gases.

Which of the following statements describes an autotroph?

• Autotrophs get food and energy by consuming another organism.

• Autotrophs make their own food by using energy from sunlight.

• Autotrophs get food and energy from a host source.

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By what process do populations of organisms evolve?

• Natural Selection

• Homeostasis

• DNA

• Heterotrophs

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A variety of species on Earth is referred as?

• Biodiversity

• Kingdom

• Genetic material

• Growth

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