Unit 6 Quiz 1

What are the main factors that determine a biome?

• Weather
• Ecosystem and biodiversity
• Temperature and precipitation
• Climate

What is speciation? 

• a type of animal
• when one species evolves into two or more species
• a scientific experiment
• surgery on an animal to make it a different species

Which is the most widely accepted species concept?

• Temporal Isolation
• Biological Species Concept
• Morphological Species Concept
• Adaptive Reproduction

What is an example of behavioral isolation?

• Eye color
• Fur color
• Bird songs
• Diet

If grass has 10,000J of energy, how many Joules of energy does a Primary Consumer receive?

• 10,000
• 1,000
• 4,000
• 10 J

Which of these best describes a biological community?

• The animals that make up an ecosystem
• A group of individuals of the same species living in the same habitat
• The populations of different species living in the same geographic area
• The living and nonliving factors surrounding an individual

The example of flowers evolving long flowers and moths evolving a long proboscis is an example of what?

• co-evolution
• parasitism
• commensalism
• predation

How a species meets its needs for food and shelter, and how it survives and reproduces describes its what?

• ecology
• predation
• niche
• community

What is a keystone species?

• A species whose impact on the community is larger
• Occupies a niche that holds the rest of its community stable
• A species that is not required in the Ecosystem
• A species whose impact on the community is smaller

_______ is when 2 or more species live in close association. 

• predation 
• competition 
• symbiosis 
• food web