Biology: Ecology & Cell Structure and Function

Study of interactions between organisms and their environment 

• niche
• community 
• ecology
• ecosystem

Members of a species in a defined area

• Ecosystem
• community
• biodiversity
• population

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

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

Individuals that can breed with one another make up a

• species
• population
• community
• ecosystem

Organisms that obtains its energy from abiotic sources, such as sunlight or inorganic chemicals

• Autotroph
• Heterotroph
• Omnivore
• Carnivore

A bee receives nectar from a flower and carries the pollen to other flowers:

• predation

• parasitism

• mutualism

• commensalism

Mistletoe grows and spreads on trees, taking their nutrients:

• predation

• parasitism

• mutualism

• commensalism

Introduced species disrupt ecosystems because they are a/an

• Keystone Species

• Endemic Species

• Invasive Species

• Native Species