Ecology

Which is not a characteristic of living things?

• Metabolism

• Walking

• Evolutionary adaptation

• Homeostasis

Which term describes a factor that is not living?

• Ecosystem
• biotic
• rocks
• abiotic

How does a producer get its food?

• Cooking with an oven
• From the sun
• From eating plants
• By eating dead things

What is another name for consumers?

• Autotroph
• Producer
• Heterotroph

Which is not a consumer?

• Herbivore
• Producer
• Carnivore
• Decomposer

What type of organisms are on the 1st trophic level (bottom of the pyramid)?

• Carnivores
• Predators
• Decomposers
• Producers

Relatively, how much energy can be passed on from each trophic level?

• 10%
• 15%
• 20%
• 5%

What is one way humans are contributing to the carbon in the atmosphere?

• Photosynthesis
• Absorption by the ocean
• Eating animals
• Burning coal

What could be true in order for exponential growth to occur.

• There's not enough water
• There needs to be cures for diseases
• Not enough space for the population
• Food only available to half the population

What do organisms on the second trophic level eat?

• Plants
• Dead things
• Animals
• All of them