Food Chains Video

What was the primary reason for establishing the Everglades National Park?

• To preserve historical sites

• To protect an ecosystem

• To promote tourism

• To protect endangered species

What role does the sun play in the food chain described?

• It consumes producers

• It is the initial energy source

• It is a secondary consumer

• It provides light only

Which organism is considered the first link in the Everglades food chain?

• Gambusia

• Mosquito larvae

• Green plants

• Great blue heron

What percentage of energy is typically transferred from one trophic level to the next in a food chain?

• 50%

• 25%

• 75%

• 10%

Which of the following best describes a 'food web'?

• A single pathway of feeding relationships

• A system where only one type of organism is eaten

• A complex network of interconnected food chains

• A graphical representation of energy flow