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. denitrification, nitrification, and nitrogen fixation. denitrification, nitrification, and nitrogen fixation. nitrogen fixation, denitrification, and nitrification. nitrogen fixation, denitrification, and nitrification. nitrification, nitrogen fixation, and denitrification. nitrification, nitrogen fixation, and denitrification.
nitrogen fixation, nitrification, and denitrification.
How do energy and matter move in ecosystems?(1 point) Responses 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. Matter flows in one direction, and energy cycles through the environment. Energy and matter flow in one direction. Energy and matter flow in one direction. Energy flows in one direction, and matter cycles through the environment. Energy flows in one direction, and matter 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.
Food webs are the best depictions of feeding relationships because they show many ways that plants and animals are connected.
In one or two sentences, explain how the chemical equation for cellular respiration shows that plants cycle matter. Include the numbers of molecules and atoms involved to support your explanation.(2 points)
The chemical equation for cellular respiration shows that plants cycle matter by taking in carbon dioxide (CO2) and water (H2O), and through the process of photosynthesis, converting these molecules into glucose (C6H12O6) and oxygen (O2). During cellular respiration, plants then use this glucose as fuel to produce ATP, releasing carbon dioxide back into the atmosphere. This cycle involves the exchange of molecules and atoms, demonstrating how matter is cycled through plants and ecosystems.
