APES Semester Exam Review 1-4

Place the ecology levels of organization in proper order (smallest to largest)

• organism > population > community > ecosystem > biosphere

• community > organism > ecosystem > biosphere > population

• organism > community > biosphere > population > ecosystem

• population > biosphere > ecosystem > community > organism

The cattle egret follows herds of cattle and eat the insects that the cattle stir up as they move through the grassland. The cattle appear to be unaffected by the egrets. This is a _____ type of relationship.

• Commensalism

• Parasitism

• Symbiotic

• Mutualism

Which best describes the concept of net primary production?

• total amount of energy available from the Sun

• total amount of cellular respiration conducted within an ecosystem

• energy captured minus energy lost

• total amount of energy available from the producer

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

The direction of an arrow in a food chain represents

• the flow of energy from organism B to A

• the movement of organisms

• the directionality of the sun

• the flow of energy from organism A to B

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is the process that moves nitrogen from the atmosphere to the organic compound within the cycle?

• denitrification

• decomposition

• nitrogen fixation

• photosynthesis

Tags

NGSS.MS-LS2-3

plants lose water to the atmosphere through stomata.

• evaporation

• condensation

• runoff

• transpiration

Tags

NGSS.MS-ESS2-4

The symbiosis that is beneficial to both organisms involved.

• Competition

• Mutualism

• Predation

• Parasitism

Which nitrogen cycle process is occurring when plant roots absorb ammonium ions and nitrate ions for use in making molecules such as DNA, amino acids, and proteins?

• nitrogen fixation

• nitrification

• denitrification

• ammonification

• assimilation

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

The sun provides the energy for almost all life on Earth. Approximately how much of the sun's energy captured by producers would move up to the next trophic level?

• 10%

• 90%

• 50%

• 25%

Tags

NGSS.MS-LS2-3

Which nutrient is not cycled through the atmosphere and stays only on ground level?

• carbon
• nitrogen
• phosphorus
• water