Ecology Quiz

What is ecology?

• The study of ancient civilizations

• The study of interactions between organisms and their environments

• The study of stars and galaxies

• The study of computer programming

What are the two factors that make up the environment?

• Living and non-living factors

• Physical and chemical factors

• Biotic and abiotic factors

• Animal and plant factors

What is the lowest level of organization in ecology?

• Population

• Community

• Ecosystem

• Biosphere

What do producers do in an ecosystem?

• Trap energy from the sun

• Eat other organisms

• Break down dead organisms

• Return/recycle organic material to the environment

What do herbivores eat?

• Dead organisms

• Both plants and animals

• Meat

• Plants/plant material

What type of relationship is commensalism?

• Beneficial to both species

• One species hunts prey animals for food

• One species benefits and the other is harmed

• One species benefits and the other is neither harmed nor helped

What is the highest level of organization in ecology?

• Biosphere

• Community

• Ecosystem

• Population

What is the process by which atmospheric nitrogen is converted into ammonium?

• Nitrogen fixation

• Photosynthesis

• Nitrification

• Denitrification

What is the main component of air in the nitrogen cycle?

• Ammonium

• Nitrates

• Atmospheric nitrogen

• Nitrites

What is the main cause of biological magnification in food chains?

• Toxins increase in potency as energy increases

• Toxins decrease in potency as energy decreases

• Toxins decrease in potency as energy increases

• Toxins increase in potency as energy decreases