Chapter 3 test

Scientists call the living things in an ecosystem is what ?

• Abiotic factors

• biotic factors

• Factors

• Animals

How many major biomes are there ?

• seven major biomes

• five major biomes

• six major biomes

• three major biomes

Omnivores only eat what?

• producers

• producers and consumers

• herbivores and omnivores

• producers and herbivores

What are producers?

• plant and grasses

• Organsim that get energy from the food made by other organisms.

• Organsims who cannot make their own food .

• Organisms that make their own food using the energy in sunlight.

How many types of food chain are there ?

• two food chain

• three food chain

• five food chain

• six food chain

Choose the corect food chain!

• Algae - mayfly - blue heron - sunfish

• Mayfly - sunfish - algae - blue heron

• Sunfish - Algae - blue heron - mayfly

• Algae - mayfly - sunfish - blue heron.

Choose two biomes that have cold temperature .

• desert

• tundra

• grassland

• taiga

• tropical rain forest

When scientists want to know about an ecosystem, they look at what ?

• biotic and abiotic factors

• population and habitat

• habitat and ecosystem

• population and communities

All the living things in an ecosystem depend on the ...

Another word to say organsim in an ecosystem has its own place to live is ...