What is Ecology?

Areas defined by their geographical location and ecological similarity are called?

• ecozones
• biotopes
• biomes
• biodomes

A herd of zebras would be considered a

• community
• species
• ecosystem
• population

Which of the following encompases all the others?

• ecosystem
• community
• population
• individual

A group of interbreeding individuals occupying the same area is best called

• community
• population
• ecosystem
• symbiotic relationship

 Which sequence shows increasing ecological levels of organization?

• organism, population, community, ecosystem
• ecosystem, population, organism, community
• community, ecosystem, population, organism
• population, organism, ecosystem, community

Biodiversity is the variety of ____________ in a community.

• genes
• population
• species
• community

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

• carbohydrates
• sunlight
• water
• carbon

Organisms that cannot make their own food and must obtain energy from external sources are called

• autotrophs
• heterotrophs
• herbivores
• carnivores

Which of the following is a primary consumer in this food web?

• Foxes
• Carrots
• Mice
• Owls

Which organism contains the most energy?

• Rabbit
• Grains
• Birds
• Mice