Ecology

What is the primary source of energy for most ecosystems?

• The sun.

• The moon.

• Volcanic activity.

• Geothermal heat.

What type of organism is a chimpanzee that eats fruits, nuts, leaves, and small mammals?

• Carnivore

• Herbivore

• Omnivore

• Insectivore

What type of relationship exists when one organism benefits and the other is not affected?

• Mutualism

• Parasitism

• Commensalism

• Competition

What is the difference between a herbivore and a carnivore?

• Herbivores eat plants, while carnivores eat other animals.

• Herbivores eat both plants and animals, while carnivores only eat plants.

• Herbivores are larger than carnivores.

• Carnivores eat plants, while herbivores eat other animals.

What is the likely consequence if a prey species becomes extinct?

• The predators that eat the prey may be threatened.

• The ecosystem will remain unaffected.

• New prey species will emerge immediately.

• Predators will find alternative food sources easily.

What is the significance of biodiversity in an ecosystem?

• Biodiversity increases resilience and stability, allowing ecosystems to better withstand changes.

• Biodiversity decreases competition among species, leading to more resources for each.

• Biodiversity has no significant impact on ecosystem health or stability.

• Biodiversity simplifies food webs, making ecosystems easier to manage.

What term describes the non-living components of an ecosystem?

• Biotic factors

• Abiotic factors

• Ecosystem services

• Nutrient cycles

What is an example of a keystone species?

• Sea otters

• Goldfish

• House cats

• Rabbits

Which of the following is NOT an example of a predator-prey relationship: a honeybee and flower, a lion and zebra, or a hawk and mouse?

• A lion and zebra

• A hawk and mouse

• A honeybee and flower

• A shark and fish

What are the living parts of an ecosystem called?

• Abiotic factors

• Biotic factors

• Environmental factors

• Geological factors