Food Chains and Ecosystem Dynamics

The video tutorial explains the food chain, starting with producers like plants that use photosynthesis to create energy. It covers primary consumers (herbivores), secondary consumers (carnivores), and tertiary consumers (apex predators). The role of decomposers in recycling nutrients and the concept of food webs are discussed. The video emphasizes the importance of protecting food chains from environmental changes and human activities.

What is the primary source of energy for all living things?

• Air

• Food

• Water

• Sunlight

What process do plants use to create energy-rich food?

• Digestion

• Fermentation

• Photosynthesis

• Respiration

Which of the following is a primary consumer?

• Snake

• Lion

• Rabbit

• Eagle

What type of animal is a secondary consumer?

• Herbivore

• Producer

• Carnivore

• Omnivore

Which animal is considered an apex predator?

• Rabbit

• Caterpillar

• Deer

• Eagle

What happens to energy as it moves up the food chain?

• It remains the same

• It decreases

• It increases

• It doubles

What role do decomposers play in the ecosystem?

• They produce energy

• They break down dead matter

• They are apex predators

• They are primary consumers

What is a more complex system of interconnected food chains called?

• Food cycle

• Food web

• Energy loop

• Nutrient network

How can human activity impact food chains?

• It makes them longer

• It strengthens them

• It can disrupt them

• It has no impact

What is one way to help protect food chains?

• Protect all links in the chain

• Focus only on top predators

• Ignore environmental changes

• Introduce new species