Biology Semester Final- Part I Review

Biology Semester Final- Part I Review

Multiple Choice

What does a food web represent?

• All connections of energy flow throughout all organisms in a ecosystem.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

Multiple Choice

What is the carrying capacity of the graph?

• around 500
• more than 500
• less than 500
• around 600

Multiple Choice

What is the carrying capacity of the following graph?

• 1000
• 8000
• 800
• 600

Multiple Choice

Which organisms in figure 1 could be classified as carnivores?

• deer, mice, and grasshoppers

• grasshoppers, lizards, and shrews

• coyotes, shrews, and lizards

• mountain lion, deer, and shrews

Multiple Choice

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

• primary consumer
• secondary consumer
• tertiary consumer
• producer

Multiple Choice

Amount of energy in a food pyramid transferred from one level to the next

• 0%

• 10%

• 78%

• 100%

Multiple Choice

All energy on Earth ultimately comes from what source?

• Water
• Sun
• Consumers
• Oxygen

Multiple Choice

High biodiversity is 

• having a lot of the same organism.
• having a few of the same organism.
• having a lot of variety of different organisms.
• only having one of each organism. 

Multiple Choice

Biodiversity is best described as...

• the amount of different species of organisms (plants and animals) living in the same area.

• when only a few species inhabit an area.

• when only one organism (plants and animals) is found living in one area.

Multiple Choice

What is the difference between biotic and abiotic?

• Biotic are non-living things

• Abiotic are living organisms

• Biotic is life,

  Abiotic is non-living

• Biotic is non-living, Abiotic is living

Multiple Choice

Biodiversity, aka biological diversity, usually refers to

• the same species in a general location

• the number of different species in a given area

• the number of animal species in a given area

• the number of plant species in a given area

Multiple Choice

Dependent variable means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured

Multiple Choice

The summary at the end of an experiment that explains the results. 

• conclusion
• procedures
• materials
• responding variable

Multiple Choice

This variable in an experiment is the one being changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

Multiple Choice

A testable explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

Multiple Choice

Three factors can affect population size

• births, deaths,leaves or enters population

• deaths, birth, buildings

• photosynthesis, weather, deaths

• houses, weather, heath

Multiple Choice

occurs when population slows or stops following a period of exponential growth.

• no growth

• population growth

• logistic growth

• exponential growth

Multiple Choice

What is the carrying capacity for this sheep population?

• 1.8 million

• 1.25 million

• 1.6 million

• 1.o million

Multiple Choice

What type of growth is represented by this graph?

• exponential

• logistic

Multiple Choice

What type of growth is represented by this graph?

• exponential

• logistic

Multiple Choice

Most water pollution is the result of

• human activities.
• drought.
• volcanic eruptions.
• storms.

Multiple Choice

The threat to biodiversity that occurs when the homes of different species are destroyed

• pollution

• habitat destruction

• overexploitation

• climate change

Multiple Choice

The process when concentrations of a harmful substance increases in organisms at higher trophic levels in a food chain or food web.

• Biomagnification

• Predation

• Extinction

• Accumulation

Multiple Choice

Which organism in this diagram has the highest DDT concentration?

• Zooplanktons

• small fish

• large fish

• Fish-eating birds

Multiple Choice

Which organism in this diagram has the highest DDT concentration?

• Zooplanktons

• small fish

• large fish

• Fish-eating birds