Exploring Ecosystems and Conservation

What is an ecosystem?

• A single species of animal in a habitat.

• A type of weather pattern.

• A collection of plants in a garden.

• An ecosystem is a community of living organisms and their physical environment interacting as a system.

Which of the following is a primary producer in an ecosystem?

• Carnivores

• Plants

• Decomposers

• Herbivores

What role do decomposers play in an ecosystem?

• Decomposers produce energy for plants.

• Decomposers are primary consumers in the food chain.

• Decomposers compete with plants for sunlight.

• Decomposers recycle nutrients and help maintain ecosystem balance.

Which of the following is a major threat to biodiversity?

• Pollution

• Invasive species

• Climate change

• Habitat destruction

What is the purpose of a conservation easement?

• To protect natural resources and limit development on a property.

• To allow unrestricted access to private property.

• To increase property taxes on landowners.

• To promote urban development in rural areas.

Which of the following is an example of a keystone species?

• Sea otter

• Bald eagle

• Red fox

• Great white shark

What is the main goal of conservation biology?

• To increase industrial development.

• To enhance agricultural productivity.

• To protect and restore biodiversity.

• To promote urban expansion.

How do invasive species affect native ecosystems?

• Invasive species negatively impact native ecosystems by outcompeting native species, disrupting food webs, and altering habitats.

• Invasive species help native species thrive by reducing competition.

• Invasive species have no effect on native ecosystems whatsoever.

• Invasive species enhance native ecosystems by providing more food sources.

What is the significance of biodiversity in ecosystems?

• Biodiversity is crucial for ecosystem health and resilience.

• Biodiversity decreases competition among species.

• Biodiversity only benefits human activities.

• Biodiversity is irrelevant to ecosystem stability.

Which international agreement aims to protect endangered species?

• Montreal Protocol

• CITES

• Paris Agreement

• Kyoto Protocol