unit 4 review 8th grade

The energy that animals need for their life functions is released when their cells carry out which of the following functions?

• Breaking down carbon-based molecules

• Absorbing water from the environment

• Moving molecules across membranes

• Eliminating waste products

Tags

NGSS.MS-LS1-7

Jackson takes long, deep breaths while running for exercise. Which gas does Jackson require from the air?

• nitrogen

• oxygen

• carbon dioxide

• hydrogen

The table shown here provides information about the processes that result in the transfer of matter within and between organisms and the environment. Which process represented in the table is a process through which all living things add carbon to the atmosphere?

• photosynthesis

• respiration

• eating plants

• decay

Tags

NGSS.MS-LS1-6

Which gas do animals add to the atmosphere when they breathe?

• nitrogen

• oxygen

• carbon dioxide

• hydrogen

Which of the following best summarizes the process of cellular respiration in plants and animals?

• Carbon-based molecules + oxygen → carbon dioxide + water

• Oxygen + carbon dioxide → carbon-based molecules + water

• Water + carbon dioxide → oxygen + carbon-based molecules

• Carbon dioxide + carbon-based molecules → oxygen + water

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

The movement of carbon in the environment is diagrammed here. The transfer of carbon illustrated in the diagram is the result of which of the following processes?

• evaporation

• decay

• respiration

• photosynthesis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Carbon is an organic element found in all life forms. Which of the following occurs through the process of breaking down carbon-based molecules?

• Water molecules are transferred through the body.

• Elimination of waste products occurs.

• Energy needed for life functions is released

• Absorbing of oxygen through pore occurs.

Tags

NGSS.MS-LS1-7

The movement of carbon in the environment is diagrammed here.The transfer of carbon illustrated in the diagram is the result of which of the following processes?

• precipitation

• decay

• respiration

• photosynthesis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Every organism needs energy to survive. A process in which oxygen is combined with the breakdown of sugar (glucose) molecules, releasing energy and giving off carbon dioxide and water, is known as which of the following reactions?

• transpiration

• cellular respiration

• carbon fixation

• photosynthesis

Tags

NGSS.MS-LS1-7

The table shown here provides information about the processes that result in the transfer of content within and between organisms and the environment.Which process represented in the table removes carbon from the atmosphere?

• photosynthesis

• respiration

• eating plants

• decay

Tags

NGSS.MS-LS1-6