Renewable Resources and Ecosystem Roles

The video covers natural resources, distinguishing between renewable and non-renewable types, with examples like trees and fossil fuels. It explains desert animal adaptations, focusing on camels and Gila monsters. The function of periscopes is discussed, highlighting light reflection. Finally, the role of decomposers in food webs is explored, with examples such as bacteria and mushrooms.

Which of the following is a renewable resource?

• Coal

• Oil

• Sunlight

• Natural Gas

What is a characteristic of renewable resources?

• They are always available

• They take millions of years to form

• They cannot be replaced

• They are non-renewable

Why are fossil fuels considered non-renewable?

• They can be grown again in a short period

• They take millions of years to form

• They are always available

• They can be replaced quickly

What happens to fossil fuels once they are depleted?

• They can be easily replaced

• They are gone forever

• They can be washed away in floods

• They can be grown again

What is the primary reason camels store fat in their humps?

• To store water

• To store energy when food is scarce

• To aid in movement

• To attract other animals

What adaptation helps Gila monsters survive in the desert?

• Storing food in their mouths

• Storing energy in their legs

• Storing fat in their tails

• Storing water in their humps

How does a periscope help people see objects around corners?

• By magnifying light

• By absorbing light

• By refracting light

• By reflecting light

What does light do when it hits a mirror in a periscope?

• It reflects

• It magnifies

• It absorbs

• It refracts

Which of the following are examples of decomposers?

• Minnows

• Algae

• Mosquito larvae

• Bacteria

In a food web, what role do decomposers play?

• They consume living plants

• They are primary consumers

• They produce energy

• They break down dead matter