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23 questions
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- Q1What could be the impact of a predator like a fox moving into a forest community?The number of ground dwelling birds could decrease because foxes eat their eggs.The worms preyed upon by ground dwelling birds would decrease in population size.The coyote could benefit from having another carnivore in the community.The amount of food in the food chain would benefit the carnivores due to more availability.30s
- Q2Within this food chain, grass→ grasshopper → frog → snake, which organism would we expect to have the lowest population?snakegrassfroggrasshopper30s
- Q3Organisms that cannot make their own food and rely on their environment for food are called __________.decomposersconsumersproducersparasites30s
- Q4House cats and wild cats like cougars are carnivores with high protein diets. What role do cats play in the food web?producerscavengerconsumersdecomposer30s
- Q5In a food chain, which type of organism occupies the third feeding level?herbivoreproducerconsumercarnivore30s
- Q6An apex predator is not eaten by another animal, __________.but only eats herbivores.and is the last animal in a food webbut is decomposed by a decomposer.and only eats carnivores30s
- Q7Which of the following best defines a food web?A trap created by a plant or animal to capture food.The exchange of nutrients between producers and consumers.The decomposition and recycling of matter.A model for the transfer of matter and energy within an ecosystem.30s
- Q8Heterotrophic organisms use __________ to get their energy, carbon, and nutrients for growth and development.other organismsnitrogensoilminerals30s
- Q9Who removes carbon dioxide from the air to make food?the oceanconsumers (animals)decomposersproducers (plants)30s
- Q10In an energy pyramid, which way does energy transfer?both of thesenone of theseFrom the bottom of the pyramid to the topFrom the top of the pyramid to the bottom30s
- Q11Where do consumers directly get matter and energy to live and grow?They make their own foodBy eating producers and other consumersFrom the sunThey eat waste material and dead organisms30s
- Q12Which member of an ecosystem is responsible for capturing energy from the sun and turning it in to food?producersdecomposersconsumers30s
- Q13Which statement describes the role of decomposers in moving nutrients through a food web?Decomposers capture carbon dioxide from the air and convert it into sugars that are used as food by other organisms.Decomposers recycle nutrients present in organic tissues by breaking the tissues down to elements such as carbon and nitrogen and putting these elements into soil.Decomposers extract the energy from complex carbon molecules and release it into the atmosphere so that other organisms may absorb it.Decomposers recycle nutrients already in the soil by leaving waste products that other living things can eat.30s
- Q14__________ break down dead material, reduce it to base nutrients, and return it to the ecosystem.consumerscarnivoresdecomposersherbivores30s
- Q15What are decomposers?organisms that break down plant rootsorganisms that break down dead or decaying organismsorganisms that feed on dead animal partsorganisms that feed on plant roots.30s