Mission Trails

What is the primary definition of an ecosystem as described in the Mission Trails area?

• A community of living things and their surroundings.
• A collection of only animal species in a region.
• A place where only humans live.
• A geographical area devoid of plants.

Why is biodiversity important for the health of an ecosystem?

• It helps the ecosystem handle changes better.
• It reduces the number of species present.
• It ensures that only native species thrive.
• It allows for a greater variety of food options.

Why is biodiversity crucial for the health of ecosystems like Mission Trails?

• It allows for a greater variety of food options.
• It helps the ecosystem handle changes better.
• It ensures that only native species thrive.
• It reduces the number of species present.

Which of the following is an example of a native species found in the Mission Trails area?

• Argentine ant
• Asian tiger mosquito
• Yellow star-thistle
• California sagebrush

Which of the following statements about native plants is true?

• They are less important than invasive species.
• They cannot survive in dry weather.
• They require constant human intervention to thrive.
• They are often more resilient to local climate conditions.

What is the role of the Argentine ant in the Mission Trails ecosystem?

• It is a pollinator that helps plants grow.
• It is an invasive species that can harm native species.
• It is a native species that supports biodiversity.
• It is a decomposer that enriches the soil.

What impact do invasive species have on native ecosystems?

• They have no effect on the ecosystem.
• They provide food for all native animals.
• They can harm native species.
• They help increase biodiversity.

Which of the following statements accurately describes the impact of invasive species like the yellow star-thistle in the Mission Trails area?

• They are essential for the survival of native plants.
• They can harm native species by taking away resources.
• They have no significant impact on the ecosystem.
• They enhance the biodiversity of the ecosystem.

Which habitats can be found in the Mission Trails area?

• Urban areas and industrial zones.
• Mountains, valleys, and plains.
• Chaparral, coastal scrub, and riparian zones.
• Deserts, tundras, and grasslands.

Which of the following best describes the relationship between living things and their habitats in Mission Trails?

• Habitats are irrelevant to the survival of species.
• All habitats are the same in terms of resources.
• Living things do not depend on their habitats.
• Each habitat provides what certain plants and animals need to live.