ECOLOGY: INTRO & FOOD WEB

Series of steps in which organisms transfer energy by eating and being eaten

• foodweb
• consumer
• food chain
• omnivore

All the organisms in a particular location, including their nonliving environment

• ecosystem
• carnivore
• niche
• population

Consumer that eats plants

• heterotroph
• herbivore
• producer
• community

The specific ecological or functional role of an organisn in its environments refer to..

• Habitat

• Population

• Niche

• Biome

In the food web shown, the snail would be considered...

• primary consumer
• secondary consumer
• tertiary consumer
• producer

The diagram below shows the cycling of nutrients in an ecosystem.
The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?

• Producers
• Consumers
• Decomposers
• Inorganic nutrients

Where an organism lives

• habitat
• niche 
• heterotrogh
• biosphere

Which biome, because of its climate and amount of rainfall, has the largest number of species of plants and animals?

• Tundra
• Rainforest
• Desert
• Pineforest

Non-living factor that affects an ecosystem

• biotic factor
• abiotic factor
• food chain 
• biome

What is the original source of almost all energy in most ecosystems?

• carbohydrates
• sunlight
• water
• carbon