Quarter 3 Test

What is one example of Biomass?

• Electricity
• Trees
• Wind
• Water

What is one disadvantage of coal?

• Coal produces air pollution.
• There isn't a lot of coal left which makes it expensive.
• The world isn't using a lot of coal which makes it an undesirable job.
• You can only use it to roast hot dogs and cook hamburgers.

An increase in the amount of nutrients in an aquatic ecosystem

• Eutrophication
• Zootrophication
• Overfishing
• Swamping

What is the primary greenhouse gas that contributes to global warming?

• Methane
• Carbon dioxide
• Nitrous oxide
• Water vapor

How do oceans help regulate Earth's climate?

• By reflecting sunlight back into space
• By absorbing and storing heat and carbon dioxide
• By producing oxygen through photosynthesis
• By creating wind patterns

Which marine ecosystem is most vulnerable to climate change?

• Coral reefs
• Deep sea vents
• Kelp forests
• Sandy beaches

What is the term for the gradual process by which ecosystems change and develop over time?

• Environmental adaptation
• Ecological succession
• Natural selection
• Habitat modification

In primary succession, what is typically the first type of organism to colonize an area?

• Small shrubs
• Pioneer trees
• Lichens
• Flowering plants

Which of the following best describes a climax community?

• A temporary stage in succession
• The first organisms in an area
• The final, stable stage of succession
• A community after a forest fire

Secondary succession differs from primary succession because:

• It takes longer to establish
• It begins with bare rock
• It starts with some soil present
• It only occurs in aquatic environments