TEST: Energy Flow Through Ecosystems (ADV)

Match each statement to one of the terms in the boxes below. Each term is used only once.

• Herbivore

• The ultimate source of energy for all living organisms on Earth.

• Food chain

• A step in the food chain or food web.

• Ecosystem

• Organisms that eat only plants.

• Trophic level

• All of the living organisms in a given area as well as the abiotic factors with which they interact.

• The sun

• A series of steps in which organisms transfer energy from one organism to the next.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Match each statement to one of the terms in the boxes below. Each term is used only once.

• Photosynthesis

• The process that plants use to convert carbon dioxide and water into sugar, using energy from the sun.

• Autotroph

• Organisms that eat both plants and animals.

• Heterotrophs

• A process that is used in deep ocean environments, where organisms use the chemicals from cold seeps and hydrothermal vents to get their energy.

• Omnivores

• Name given to an organism that is able to undergo photosynthesis to make their own food.

• Chemosynthesis

• Name given to an organism that cannot make its own food.

Tags

NGSS.MS-LS1-6

Match each statement to one of the terms in the boxes below. Each term is used only once.

• Decomposer

• Organisms that cause decay by breaking down complex molecules into similar molecules.

• Carnivore

• A network of complex interactions formed by the feeding relationships among many organisms in an ecosystem.

• Scavenger

• Organisms that eat only other animals.

• Producer

• Organisms that feed upon plant and animal remains as well as wasters and other dead matter.

• Food web

• Name given to the first trophic level on an energy pyramid.

Tags

NGSS.MS-LS2-3

Match each statement to one of the terms in the boxes below. Each term is used only once.

• Secondary consumer

• Name given to the third trophic level in an energy pyramid.

• Primary consumer

• Name given to the fourth trophic level in an energy pyramid.

• Tertiary consumer

• Name given to the second trophic level in an energy pyramid.

Tags

NGSS.MS-LS2-3

Fill in the blank: Organisms only obtain (a)   % of the energy from what they consume.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Fill in the blank: An owl eats a mouse that feeds on plants. The owl is in what level of the food chain?

**(do not capitalize answers)

(a)  

Fill in the blank: What is another name for an autotroph?

**Do not capitalize answer

(a)  

Fill in the blank: What is another name for heterotrophs?

**DO not capitalize answer.

(a)  

Explain why the sun is the ultimate source of energy for all life on Earth.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Why is decomposition essential to life on Earth?

Tags

NGSS.MS-LS2-3