Ecology

What is the highest level of biological organization?

• Organism

• Ecosystem

• Biosphere

• Community

Which term describes a group of similar organisms that can interbreed?

• Community

• Population

• Species

• Ecosystem

What are biotic factors?

• Nonliving components like sunlight and wind

• Living parts of the environment like producers and consumers

• Average conditions over time in a region

• Gases like CO2 and methane

What is the main cause of the greenhouse effect?

• Precipitation levels

• Trapped heat by gases like CO2 and methane

• Day-to-day weather conditions

• Variety of species in an area

What is the difference between weather and climate?

• Weather is the average conditions over years; climate is day-to-day conditions.

• Weather is the variety of species; climate is the group of ecosystems.

• Weather is day-to-day conditions; climate is average conditions over time.

• Weather is living parts of the environment; climate is nonliving components.

What role do CO2 and other gases play in Earth's atmosphere?

• They cool the Earth by reflecting sunlight.

• They absorb radiation and prevent it from escaping into space.

• They have no effect on Earth's temperature.

• They increase the Earth's rotation speed.

Which human activities increase greenhouse gases in the atmosphere?

• Planting trees and conserving water.

• Using solar panels and wind energy.

• Burning fossil fuels and deforestation.

• Recycling and reducing waste.

What are biomes associated with?

• Seasonal patterns of temperature and precipitation.

• Daily weather changes.

• Ocean currents.

• Mountain formations.

How are marine ecosystems defined?

• By the type of fish present.

• By salinity, depth, flow rate, and temperature.

• By the color of the water.

• By the presence of coral reefs.

What occurs in the photic zone of the ocean?

• Photosynthesis occurs.

• No photosynthesis occurs.

• Only fish can survive.

• The water is always warm.