1) Which of the following organisms is an autotroph? a) mushroom b) shrimp c) bread mold d) green fern 2) Omnivores are consumers that feed on __________. a) consumers only b) producers only c) consumers and producers d) I wasn't listening 3) Which organisms have the LEAST amount of energy in this food web? a) crickets and mice b) vultures and lions c) trees and shrubs d) giraffes and snakes 4) Which organisms have the MOST available energy? a) fox and bear b) frogs and mice c) birds and bears d) chipmunks and deer 5) What are the producers in this food chain? a) algae b) worms c) slugs d) turtles 6) Which of the following best describes a decomposer? a) predator b) garbage collector c) recycler d) producer 7) What is the most likely reason no predators prey on killer whales? a) Killer whales are too powerful and have no predators. b) Too much energy is lost at each step in the food chain. c) Killer whales are too fast d) Killer whales do not taste good 8) If the secondary consumers contain 200 units of energy, how much was in the producers? a) 220 b) 2000 c) 20,000 d) 20 9) What is Ecology? a) The study of a group of species in an ecosystem b) The study of the living things only c) The study of how organisms affect each other and the world they live in. d) The study of invasive species 10) What is the difference between a food web and a food chain? a) A food web has intersecting food chains a food chain does not b) A food web is made up of intersecting food chains and shows choices. c) both of these d) neither of these 11) What is a Population? a) A group of People b) Group of Organisms of 1 Type that live in the Same Area c) Several different organisms that live in one area d) One area with no organisms 12) What is an ecosystem? a) A habitat. b) An ecological system. c) A bilogical comunity of interactinng animals and there enviironment. d) A biological community of interacting animals and their environment. 13) What is Photosynthesis? a) The process by which plants die. b) The process by which plants make their own food. c) The process by which plants make their own food. d) I am not familiar with this word. 14) What do decomposers do? a) Produce waste b) Produce their own food c) Break down dead plant and animal matter d) Eat the primary consumers 15) Biotic or Abiotic? a) biotic b) abiotic 16) What organism's population will decline if there are less Rabbits? a) snake b) lion c) fox d) green plants 17) Biotic or abiotic? a) biotic b) abiotic 18) Biotic or Abiotic? a) biotic b) abiotic 19) Biotic or Abiotic? a) biotic b) abiotic 20) The original source of energy for all food webs is_________. a) producers b) sun c) consumers d) top predator

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