EOC Ecology Review Insights

What is the primary difference between abiotic and biotic factors?

• Abiotic factors are energy sources, biotic are not

• Abiotic factors are living, biotic are nonliving

• Both abiotic and biotic factors are nonliving

• Abiotic factors are nonliving, biotic are living

Which of the following is an example of a symbiotic relationship?

• Soil erosion

• Mutualism

• Niche competition

• Predation

What role do producers play in an ecosystem?

• They regulate climate conditions

• They generate biomass from sunlight

• They decompose organic material

• They consume other organisms

Which cycle involves the transformation of nitrogen by lightning?

• Water cycle

• Carbon cycle

• Nitrogen cycle

• Phosphorus cycle

What is the initial stage of primary succession?

• Forest

• Bare rock

• Grassland

• Developed soil

Which biome is characterized by minimal rainfall and extreme temperature variations?

• Desert

• Tundra

• Tropical rainforest

• Temperate forest

Which factor is considered density-independent?

• Disease

• Overpopulation

• Competition

• Fire

What is a key characteristic of K-strategists?

• Rapid maturation and short lifespan

• Few offspring with intensive care

• Adaptability to changing environments

• Many offspring with little care

What determines the carrying capacity of an environment?

• The number of predators

• The availability of resources

• The type of soil

• The climate conditions

What is the primary concern related to human overpopulation?

• Decreased biodiversity

• Scarcity of food and clean water

• Improved healthcare systems

• Increased technological advancements