ANSWER: This is what an ecosystem is made of.
QUESTION: What is living and nonliving things interacting?
ANSWER: Energy in an ecosystem comes mainly from this source.
QUESTION: What is the Sun?
ANSWER: This term means the number of individuals in an area.
QUESTION: What is population density?
ANSWER: This term refers to the variety of life.
QUESTION: What is biodiversity?
ANSWER: Coal, oil, and natural gas are all this type of resource.
QUESTION: What is nonrenewable?
ANSWER: This type of organism makes its own food.
QUESTION: What is a producer?
ANSWER: In a food chain, energy flows in this direction.
QUESTION: What is from producers to consumers?
ANSWER: Space is an example of this kind of factor.
QUESTION: What is a limiting factor?
ANSWER: A species at risk of extinction is called this.
QUESTION: What is endangered?
ANSWER: This gas contributes most to climate change.
QUESTION: What is carbon dioxide?
ANSWER: Plants are an example of this type of factor in an ecosystem.
QUESTION: What is a biotic factor?
ANSWER: A rabbit is an example of this type of consumer.
QUESTION: What is a primary consumer?
ANSWER: This is the maximum population an environment can support.
QUESTION: What is carrying capacity?
ANSWER: This human activity is a major cause of reduced biodiversity.
QUESTION: What is habitat destruction?
ANSWER: Wind and solar are examples of this type of energy.
QUESTION: What is renewable (or sustainable) energy?
ANSWER: Soil nutrients are an example of this type of factor.
QUESTION: What is an abiotic factor?
ANSWER: This is what happens to energy as it moves up trophic levels.
QUESTION: What is it decreases?
ANSWER: This happens to a population when it exceeds carrying capacity.
QUESTION: What is it decreases?
ANSWER: High biodiversity usually leads to ecosystems with this quality.
QUESTION: What is more stable?
ANSWER: Reduce, reuse, and recycle are known by this nickname.
QUESTION: What are the 3 R's?
ANSWER: A mushroom plays this role in an ecosystem.
QUESTION: What is a decomposer?
ANSWER: This is the term for a group of connected food chains.
QUESTION: What is a food web?
ANSWER: Food, water, shelter, and space are all examples of these.
QUESTION: What are limiting factors (or resources)?
ANSWER: This term means using resources wisely.
QUESTION: What is conservation?
ANSWER: This means meeting needs without harming future generations.
QUESTION: What is sustainability?