Block 2, Week 2

What is ecology?

• The study of rocks and soil

• The study of how living things interact with each other and their environment

• The study of weather patterns

• The study of human history

Which of the following is an abiotic factor?

• Grass

• Hawk

• Sunlight

• Rabbit

What is a niche?

• The place where an organism lives

• The role an organism plays in its ecosystem

• The number of predators in an area

• The type of food an animal eats

Which of the following is a producer?

• Rabbit

• Grass

• Fox

• Hawk

Which organism is a decomposer?

• Oak tree

• Mushroom

• Deer

• Snake

A herbivore eats:

• Only plants

• Only animals

• Both plants and animals

• Decomposed matter

In a food chain, why are there usually only 4 trophic levels?

• Because animals cannot eat more than 3 types of food

• Because there isn’t enough energy passed up to support more levels

• Because plants die after the 4th level

• Because predators only hunt at level 4

Which of the following is a consumer that eats both plants and animals?

• Herbivore

• Carnivore

• Omnivore

• Producer

Which of these best describes an ecosystem?

• All the living and nonliving things in an area and their interactions

• Only the plants in an area

• Only the animals in an area

• A pathway of energy in a food chain

What might happen if a bee disappeared from its ecosystem?

• Nothing would change

• Plants wouldn’t be pollinated, affecting other animals

• All predators would die immediately

• The sun would stop providing energy