AP Biodiversity/Ecology

If you find a new species of algae floating on the surface of a coastal zone, you would likely consider it a type of ____.

• benthos

• zooplankton

• nekton

• phytoplankton

• ultraplankton

Which of the following describes the importance of biodiversity to an ecosystem?

• a. People like to be able to see all the different plants and animals
• b. If there aren�t all the different species, there will be resources that aren�t being used
• c. Biodiversity is not as important as many people think
• d. Biodiversity can help minimize the effects of losing a species.

Which of the following is a major cause of increasing ocean acidification?

• eutrophication

• construction of dams and levees

• rising sea level

• rising levels of CO₂

• decreasing dissolved oxygen

Which of the following is a highly productive wetland that provides habitat for some 69 species of trees that can live in salty water?

• seagrass beds

• barrier beaches

• barrier islands

• coastal rain forests

• mangrove forests

Which biome is found on the mountain above the tree line?

• grassland
• deciduous forest
• tundra
• tropical forest

What does this picture represent?

• species diversity
• ecosystem diversity 
• genetic diversity
• biodiversity

What is the main suspected environmental problem associated with the burning of fossil fuels?

• a. Depletion of fresh water
• b. Depletion of ozone
• c. Global cooling
• d. Global warming

Which biome is characterized by low temperatures and low amounts of rainfall?

• tundra
• desert
• temperate deciduous forest
• tropical rain forest

Strongly swimming consumers are most likely to be ____.

• phytoplankton

• zooplankton

• nekton

• benthos

• decomposers

The greatest biodiversity on earth is found in the __________ biome.

• taiga
• grassland
• temperate deciduous forest
• tropical rainforest