Which of the following is an abiotic factor in an ecosystem?

What role do decomposers play in an ecosystem?

What is the main source of energy for most ecosystems?

What is the primary process through which plants convert sunlight into energy?

How is nitrogen released to the abiotic parts of the biosphere?

What is a limiting factor in an ecosystem?

What term describes the process by which one ecological community replaces another over time?

What gas do plants absorb from the atmosphere during photosynthesis?

Which of the following activities produces carbon dioxide?

Which of the following is a common source of carbon dioxide in the environment?

Which of the following is an example of an aquatic habitat?

Which of the following describes a habitat?

What do omnivores primarily eat?

What is a second level consumer in an ecosystem?

Which of the following is an example of a second level consumer?

What is a producer in an ecosystem?

Which of the following is an example of a producer?

In a food web, which trophic level typically has the most energy?

Which level of a food chain typically has the least amount of energy available?

What do we call organisms that break down dead organic material?

Which biome is characterized by very low temperatures and minimal precipitation?

Which biome is known for its high biodiversity and dense vegetation?

In which biome would you find cactus plants and very little rainfall?

Which biome is primarily defined by its coniferous forests and cold climate?

Which biome is known for having four distinct seasons, with deciduous trees that lose their leaves?

Which biome typically has large herbivores like elephants and is found in regions that have seasonal rainfall?

What best describes a niche in an ecosystem?

What type of symbiosis occurs when both species benefit from the relationship?

Which of the following is an example of parasitism?

Which type of symbiosis describes a relationship where one organism benefits and the other is neither helped nor harmed?

What is the final stage of ecological succession called when a stable community is established?

Which of the following is an example of a pioneer species in primary succession?

Which event can trigger secondary succession in an ecosystem?

What is the main difference between primary and secondary succession?

Omnivores, carnivores, herbivores, scavengers, and decomposers are all ________

Trophic levels and food chains are parts of ____________

Which regions of the world are most likely to have permafrost?

What happens to the amount of energy as you move up the levels of an energy pyramid?

What is the process called when certain bacteria change nitrogen gas into a usable form?