Matter and Energy Unit Test
7 of 14 7 of 14 Items
Question
How does the carbon stored in the bodies of living organisms move into rocks?(1 point)
Responses
Living organisms decay and become fossils fuels, which eventually become rocks.
Living organisms decay and become fossils fuels, which eventually become rocks.
Carbon dioxide dissolves in ocean water and is slowly absorbed by rocks in the ocean.
Carbon dioxide dissolves in ocean water and is slowly absorbed by rocks in the ocean.
Carbon dioxide released through respiration dissolves in certain rocks, like limestone.
Carbon dioxide released through respiration dissolves in certain rocks, like limestone.
Living organisms decay, releasing carbon into the soil, and soil is compacted into rocks.
Living organisms decay, releasing carbon into the soil, and soil is compacted into rocks.
The nitrogen cycle requires _____ to convert nitrogen to nitrites and nitrates.(1 point)
Responses
plants
plants
animals
animals
bacteria
bacteria
legumes
bacteria
The three steps of the nitrogen cycle in order, starting with nitrogen gas in the atmosphere, are(1 point)
Responses
nitrogen fixation, nitrification, and denitrification.
nitrogen fixation, nitrification, and denitrification.
nitrogen fixation, denitrification, and nitrification.
nitrogen fixation, denitrification, and nitrification.
nitrification, nitrogen fixation, and denitrification.
nitrification, nitrogen fixation, and denitrification.
denitrification, nitrification, and nitrogen fixation.
nitrogen fixation, nitrification, and denitrification.
How do energy and matter move in ecosystems?(1 point)
Responses
Energy flows in one direction, and matter cycles through the environment.
Energy flows in one direction, and matter cycles through the environment.
Energy and matter flow in one direction.
Energy and matter flow in one direction.
Energy and matter cycle through the environment.
Energy and matter cycle through the environment.
Matter flows in one direction, and energy cycles through the environment.
Energy flows in one direction, and matter cycles through the environment.
Which statement is true?(1 point)
Responses
Food chains are the best depictions of feeding relationships because they show many ways that plants and animals are connected.
Food chains are the best depictions of feeding relationships because they show many ways that plants and animals are connected.
Food webs are the best depictions of feeding relationships because they show many ways that plants and animals are connected.
Food webs are the best depictions of feeding relationships because they show many ways that plants and animals are connected.
Food chains are the best depictions of feeding relationships because they show a simplified path for the flow of energy through an ecosystem.
Food chains are the best depictions of feeding relationships because they show a simplified path for the flow of energy through an ecosystem.
Food webs are the best depictions of feeding relationships because they show a single path for the flow of energy through an ecosystem