CIE IG Biology Unit 19 Organisms and their environment

What is the principal source of energy input into most food chains?

• The Sun

• The Earth's core

• Chemical potential energy

• Plants

Which animal is not the apex predator but, a predator to a mouse?

• hawk
• rabbit
• snake
• grass

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

What is indicated by the diagram?

• Food web
• Food chain
• Food map
• Food menu

What is the primary source of energy for the ecosystem pictured above?

• Grass and Green plants

• Hawks and Deer

• Tadpoles and Fish

• Sun

Which is the start point for any food chain?

• A plant

• A producer

• A consumer

• An animal

What term describes an organism that makes it's own organic nutrients?

• Interpreter

• Producer

• Consumer

• Apex predator

Which term is used to describe an organism that gets its energy by feeding on other organisms?

• Producer

• Herbivore

• Consumer

• Archeae bacteria

What can be classified as primary, secondary, tertiary and quarternary?

• Producers

• Directors

• Consumers

• Predators

Which is the best definition of a herbivore?

• An animal that derives its organic nutrients from other living matter

• A plant that has the ability to protect itself

• A plant that produces its own organic nutrients

• An animal that gets its

  energy by eating plants