1. The majority of climate scientists suggest that the current change in climate is caused predominantly by ________.

A.An enhancement of the greenhouse effect
B.A decreased reliance on fossil fuels for energy
C.A thinning of the ozone layer
D.A melting of the polar ice caps
E.An increase in solar radiation

2. Which of the following is not an expected effect of global climate change?

A.A rise in the sea levels
B.Flooding of coastal cities
C.Decrease in the size of glaciers and ice sheets
D.Increase in the size of glacier and ice sheets
E.More extreme weather

3. If a wolf eats a rodent which ate a small insect which ate a plant, the wolf would be a(n)

A.Autotroph
B.Primary producer
C.Primary consumer
D.Secondary consumer
E.Tertiary consumer

4. Which of the following is not capable of evolving?

A.A population of fruit flies
B.A population of asexually reproducing fruitflies
C.A rose bush
D.The collective feral cats of a city
E.All the HIV in a single patient

5. Inheritable mutations, which may allow a population to evolve, are produced

A.As a response to selection pressure
B.By chance
C.By natural selection
D.As a response to environmental pressure
E.By artificial selection

6. If you were to buy land to plant crops, which type of biome would your prefer?

A.Savannah
B.Prairie
C.Tropical forest
D.Chapparal
E.Temperate forest