Biology Final Review

How much energy does a first level comsumer get in an ecological pyramid?

• 110%
• 100%
• 10%
• 1%

Which of the following is NOT a biotic factor?

• plant
• fungi
• sunlight
• you

What do decomposers do?

• eat
• break down organic matter
• use no energy
• only drink fluids

Which term means 'living together'?

• evolution
• immunity
• symbiosis
• codominance

Which type of symbiosis describes a relationship where one organism benefits and the other is not effected.

• mutualism
• commensalism
• parasitism
• none of the above

The maximum amount of one species that an environment can support.

• evolution
• symbiosis
• carrying capacity
• overcrowding

Which type of succession starts with bare rock?

• secondary
• primary

Which is an example of a homologous structure?

• wings of bats and birds
• hair on apes and people
• forearms of bats and people
• eyes of cavefish

The least amount of differences in the DNA of 2 organisms, 

• the more closely related they are
• the less closely related they are
• means they are not related
• means they are the same species

When a population is reduced, therefore reducing the the variations of the population, that is called

• darwinism
• evolution
• gene pool
• genetic drift