
Ecosystems 2
Quiz by Michelle Gallagher
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23 questions
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- Q1A rabbit eats grass in a meadow and gets food energy. In minutes, a hawk swoops down and eats the rabbit. Which organism consumed the least amount food energy?The food energy is the same at all levels.The rabbitThe grassThe hawk30s
- Q2Which type of organism will a food chain display at the first feeding level?consumercarnivoreherbivoreproducer30s
- Q3The three energy roles an organism can have in a community are __________.predator, prey, or parasiteThe three energy roles an organism can have in a community are __________.mutualist, communalist, or parasitesymbiont, competitor, or predator30s
- Q4Which organisms on the energy pyramid will have the most energy available to them?All organisms will have the same amount of energy available.Herbivores will have the most amount of energy available.Carnivores will have the most amount of energy available.Producers will have the most amount of energy available.30s
- Q5A group of students decide to have a fishbowl in their classroom. In it they put the following things: Seaweed that grows on the bottom Fish that eat the seaweed Bacteria that eat the fish’s waste In this ecosystem, the bacteria are thedecomposerssecondary consumersproducersprimary consumers30s
- Q6What is the difference between a food chain and a food web?The food chain is only one link within a food web.Food chains begin with a producer, whereas food webs begin with an herbivore.Food chains begin with an herbivore, whereas food chains begin with a producer.The food web is only one part of the food chain.30s
- Q7Which level of this energy pyramid represents the largest amount of organisms?Primary consumersproducersSecondary consumers3rd Level consumers30s
- Q8Where do producers get matter and energy to live and grow?The soilAll of these are correctThe atmosphereThe sun30s
- Q9Where do consumers get most of their nitrogen from?The water they drinkEating plantsThe airEating bacteria30s
- Q10This energy pyramid models the flow of energy between organisms in a Florida ecosystem. Which statement describes how energy flows in the pyramid?Equal amounts of energy are transferred between levels.The most energy available is at Level 3.Energy is lost between each level.Energy is consumed only at Level 1.30s
- Q11Where do producers get matter and energy to live and grow?The sunThe soilAll of these are correct.The atmosphere30s
- Q12A food web is shown below. Which terms correctly identify the plant, the snake, and the bacteria in this food web?Plant = Producer; Snake = Decomposer; Bacteria = ConsumerPlant = Producer; Snake = Consumer; Bacteria = DecomposerPlant = Decomposer; Snake = Consumer; Bacteria = ProducerPlant = Consumer; Snake = Decomposer; Bacteria = Consumer30s
- Q13Earthworms breakdown dead and decaying living things then return that matter to the soil where it is digested by __________.AnimalsInsectsBirdsFungi and bacteria30s
- Q14What is a potential effect on a food web if the activity of decomposers was inhibited?The organisms in the food web would have a diminished availability of nutrients.Overall water availability would decrease across all levels of the food web.The organisms in the food web would have greater availability of nutrients.The flow of energy through the food web would stop, leading to the death of each organism.30s
- Q15What is the difference between a decomposer and a scavenger?Decomposers break down dead or decaying matter to return it to the soil whereas scavengers break down dead or decaying matter for energy.Decomposers break down dead or decaying matter for energy; whereas scavengers break down dead or decaying matter to return it to the soil..Decomposers are fungi; whereas scavengers are animals like a raccoon or hyena.Decomposers break down particles to a molecular level; whereas scavengers break down dead or decaying matter into particles.30s