Go to the Quizzes Page Ecosystem 0% 144 Created by AbuBakrShalabi Click "Watch Now" to watch the video. Then, answer the following questions: Please write your name and email to receive your certificate. 1 / 20 Why do populations never reach their biotic potential? because there are always many animals in an ecosystem because there is always plenty of food in a population because there are always resources available because there are always limiting factors 2 / 20 Members of a species in a defined area biodiversity community population Ecosystem 3 / 20 When does overpopulation happen? when a population gets smaller than the carrying capacity when a population gets larger than the carrying capacity when the population gets smaller than the biotic potential when the population gets larger than the biotic potential 4 / 20 What happens to the amount of available energy in the pyramid as it moves up through the different levels? it decreases it remains the same it decreases, then increases it increases 5 / 20 When a plant is eaten by a caterpillar and the caterpillar is eaten by a frog, the frog belongs to Secondary consumer Producer Tertiary consumer Primary consumer 6 / 20 An ecosystem thrives with biotic and abiotic components. An example of an abiotic part of an ecosystem is ________. Decaying plants Fungus Bacteria Water 7 / 20 An area where an organism finds food, shelter and water in a specific arrangement biosphere habitat niche Mother Earth 8 / 20 Look at the diagram of the food web. The arrows means “eaten by.” What will happen if the number of snakes goes down? The owl will eat the grass The number of frogs will go down The number of mice and grasshoppers will go up. The hawk and owl will have less food 9 / 20 What organisms eat plants and animals to gain energy? Producers The sun Consumers Decomposers 10 / 20 An organism that lives by breaking apart dead organic matter into simpler parts is... carnivore decomposer consumer scavenger 11 / 20 What is a community? A habitat with abiotic factors All the different populations that live together in an area A very small habitat All the abiotic factors in a specific area 12 / 20 These are different groups of organisms that belong to the same species (Example: rats, rabbits, snakes) Population Consumers Producers Community 13 / 20 Any living thing is called a................. population community ecosystem organism 14 / 20 The transfer of energy from one organism to the next in an ecosystem begins with a producer. A producer is an organism that produces its own food. A consumer is an organism in a food chain that obtains energy from producers or other consumers; consumers may be herbivores or carnivores. grasshopper → fish → human human → grasshopper → fish → grass human → fish → grasshopper grass → grasshopper → fish → human 15 / 20 The place where an animal lives and gets what it needs to survive is called_______. A community An environment A niche A Habitat 16 / 20 A collection of organisms that make up a community as well as all of the nonliving aspects of the environment. Population Ecosystem Community Habitat 17 / 20 If the population of prey increases, the population of predators will ________because of the availability of food. decrease stay the same increase 18 / 20 This is the branch of biology that deals with the relations of organisms to one another and to their physical surroundings. Physics Ecology Psychology Chemistry 19 / 20 An organism that eats both plants and animals is called a what? omnivore herbivore carnivore decomposer 20 / 20 Which of the following pictures shows a community? . . . . Your score is 0% Restart quiz Go to the Quizzes Page