Ecosystems 2025

Which of the following is an abiotic factor?

What happens to the remaining energy not transferred in a food chain?

Which of the following increases CO₂ levels in the atmosphere?

What is climate change adaptation?

What is carrying capacity?

What does species diversity mean?

How do greenhouse gases affect global climate?

Why does fertilizer aid plant growth?

What do we call organisms that make their own food using sunlight or chemicals?

Which of the following is a producer in a food web?

What is the term for organisms that consume other organisms for energy?

What is a carbon sink?

What is an oceanic dead zone?

How do omnivores get their energy?

What are biotic factors in an ecosystem?

Which is an example of a positive feedback loop?

What does population density refer to?

When will a population decrease with respect to carrying capacity?

How do carnivores get their energy?

Which process decreases CO₂ in the atmosphere?

In a food chain, how much energy is passed from one level to the next?

Are mushrooms heterotrophs or autotrophs

When will a population increase with respect to carrying capacity?

If a population of prey decreases, what will likely happen to its predators?

What is a carbon source?

What is the difference between a habitat and a niche?

Which is an example of a negative feedback loop?

What is a positive feedback loop in climate change?

How do herbivores get their energy?

What is a negative feedback loop in climate?

What is climate change mitigation?

How does fertilizer runoff affect ocean ecosystems?

Which of the following can cause continuous change in an ecosystem?