Quiz #1 Unit 2

__________ is an organism that only eats plants for energy.

• Carnivore
• Herbivore
• Omnivore
• Terivore

All energy transformations in an ecosystem begin with

• a scavenger
• the sun
• a decomposer
• a herbivore

an organism that can produce its own food through photosynthesis

• consumer
• heterotroph
• autotroph
• herbivore

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

What is a producer?

• an organism that gets energy from eating other organisms
• an organisms that uses sunlight to make its own food
• an organism that gets energy from eating dead organisms, non-living material or waste

Biome with many different species of cacti and reptiles and very little rainfall.

• Desert
• Deciduous forest

• Tropical Rainforest
• Tundra

Biome with plants and grasses, but no trees.

• grassland
• savannah
• taiga
• tundra

Type 3 graphs show

• Some death rates

• Death rates through out

• Death rates at older ages

• High death rates at a young age

A model that shows the amount of energy available at each feeding level of an ecosystem

• ecosystem

• nitrogen cycle

• energy pyramid

• food web

a model of the feeding relationships between many different consumers and producers in an ecosystem

• food chain

• ecosystem

• food web

• energy pyramid