Characteristics to Support Life on Earth

What is essential for the survival of living organisms on Earth?

• Abundant available water.

• Rich soil nutrients.

• High levels of carbon dioxide.

• Extreme temperatures.

Why is biodiversity important for ecosystems?

• It enhances resilience and stability, allowing ecosystems to thrive.

• It reduces competition among species.

• It increases the likelihood of natural disasters.

• It limits the availability of resources.

What are extremophiles?

• Organisms that can survive in extreme environmental conditions.

• Plants that thrive in tropical climates.

• Animals that live in cold regions only.

• Microorganisms that require moderate temperatures to grow.

How do plants contribute to life on Earth?

• They produce oxygen and serve as the base of food chains.

• They absorb carbon dioxide and release nitrogen.

• They provide shelter for animals and reduce soil erosion.

• They consume water and release glucose.

What is the role of water in supporting life on Earth?

• Water is essential for biochemical reactions and maintaining temperature.

• Water is primarily used for transportation of nutrients in plants.

• Water serves as a habitat for aquatic animals only.

• Water is a source of energy for photosynthesis.

Why is the ozone layer important for life on Earth?

• It shields Earth from ultraviolet radiation.

• It helps in the formation of clouds.

• It regulates the Earth's temperature.

• It provides oxygen for breathing.

What is the significance of soil for life?

• Soil provides nutrients and a habitat for many organisms.

• Soil is primarily used for construction purposes.

• Soil has no impact on the ecosystem.

• Soil is only important for agricultural practices.

How does Earth's rotation influence life?

• It creates day and night cycles, affecting temperature and weather patterns.

• It causes seasonal changes in vegetation growth.

• It determines the length of a year based on solar orbit.

• It influences ocean currents and tidal patterns.

What is the significance of Earth's atmosphere?

• It provides necessary gases for life and protects from harmful solar radiation.

• It is the primary source of Earth's water.

• It regulates the temperature of the Earth by trapping heat.

• It is responsible for the formation of mountains.

What is weight?

• The force of gravity acting on an object.

• The mass of an object multiplied by its volume.

• The amount of matter in an object regardless of gravity.

• The resistance of an object to changes in motion.