Unit 4 Biosphere part 1

5. Which of the following best describes a biotic factor affecting an abiotic factor?

• Temperature influencing plant growth

• Soil composition affecting plant types

• Plants affecting the moisture in soil

• Altitude determining animal presence

28.How do scientists justify warming trends using historical climate data?

• By comparing sunspot activity

• By analyzing fossil records

• By examining carbon dioxide levels in ice cores

• By measuring current rainfall patterns

7. In a food web, what role do decomposers play?

• Producers of energy

• Consumers of sunlight

• Break down dead material

• Top predators

9. What happens to energy as it moves up trophic levels in a food chain?

• It increases

• It remains the same

• It decreases

• It doubles

4. According to the Rule of 10, if a plant contains 1000 units of energy, how much energy is available to the primary consumer?

• 100 units

• 10 units

• 500 units

• 900 units

8. How do abiotic factors such as temperature and precipitation typically influence a biome?

• They determine the altitude of the biome

• They affect the types of soil found

• They dictate the types of plants and animals that can survive

• They influence the latitude of the biome

21.Which of the following is a method used to analyze past climate data?

• Solar panel efficiency

• Ice core sampling

• Wind turbine output

• Hydroelectric power generation

17.How might increased decomposition affect soil quality?

• Increases nutrient availability

• Decreases carbon storage

• Increases soil toxicity

• Reduces soil moisture

12. What process adds carbon to the atmosphere?

• Photosynthesis

• Respiration

• Precipitation

• Sedimentation

6. What is the main characteristic of a taiga biome?

• High temperatures and high precipitation

• Low temperatures and low precipitation

• Moderate temperatures and high precipitation

• High temperatures and low precipitation