Q. What is the study of the interactions among organisms and  between organisms and their environments called?

Q. The direction of the flow of energy in a food web is represented by ___.

Q. Which of these is an example of an autotroph?

Q. What does every food chain start with?

Q. Consumer that eats plants

Q. Energy increases as you move up the food pyramid (from bottom to top).

Q. Which of the following is NOT a consumer

Q. A connection of food chains with many food energy paths in an ecosystem is a ____________

Q. A frog eats a fly. The frog and fly are demonstrating ________.

Q. What percentage of energy is passed on to each tropic level?