Biology 1st Semester Review

Which is NOT a method of acquiring energy and matter by organisms?

• Competition

• Predation

• Consuming Plants

• Sunlight (Photosynthesis)

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Light and Heat are forms of

• Matter

• Gases

• Atoms

• Energy

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How do organisms store energy?

• Through Light and Heat

• Through sugar and other chemical molecules

• Through photosynthesis

• Through Cellular Respiration

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What example best fits the Law of Conservation of Matter in Biology?

• A sunflower that absorbs carbon dioxide from the air to be converted to sugar (glucose).

• A oak tree that absorbs light energy to be stored in sugar (glucose).

• Heat from the body after running.

• Light coming from the sun.

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What is the best example of a herbivore?

• A frog eating caterpillars and grasshoppers.

• A fish consuming algae

• Mouse that consumes beetles.

• A pig eating a pile of hot dogs and wheat grass.

Which organisms use the chemical reaction, photosynthesis, to store energy into sugar (glucose) molecules?

• Herbivores

• Carnivores

• Autotrophs

• Heterotrophs

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What best describes the flow of ENERGY through the ecosystem?

• Sun-> Light/Heat-> Biosphere-> Omnivore-> Decomposer-> Soil/Air/Water

• Sun->Light/Heat-> Biosphere->Autotrophs->Heterotrophs->Heat

• Biosphere-> Light/Heat->Heterotrophs-> Heat

• Sun-> Biosphere->Autotroph->Herbivore->Carnivore->Detritivore-> Decomposers-Soil/Water/Air

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What is this called?

• Food Web
• Food Chain
• Abiotic Factors

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What does a food web represent?

• All connections of energy flow throughout all organisms in a ecosystem.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

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What is a trophic level?

• Each level represented within a food chain or web.
• Levels of ecosystems that the world is divided into.
• Different levels of nutrients present within an organism.
• The levels of sunlight an autotroph needs to survive. 

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