Food chain and food web
Quiz by White Lace
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30 questions
Show answers
- Q1What does food chain means?the energy conversionherbivore and carnivorethe energy flow and what is eaten bywhat eat who30s
- Q2Which of the following describes a food web?A single sequence of who eats whom in an ecosystemThe relationship between a predator and its prey in an ecosystemA complex network of interconnected food chains in an ecosystemThe transfer of energy between producers and consumers30s
- Q3What is a primary consumer in a food chain?An organism that directly consumes producersAn organism that is at the highest trophic levelAn organism that decomposes dead organismsAn organism that directly consumes other consumers30s
- Q4What is the difference between a food chain and a food web?A food chain includes decomposers, while a food web does not.A food chain is a linear sequence of who eats whom in an ecosystem, while a food web is a complex network of interconnected food chains.A food chain is more stable than a food web.A food chain is a diagram, while a food web is a written description.A food chain represents only herbivores, while a food web includes all types of organisms.30s
- Q5Which organisms convert sunlight into food through photosynthesis?ConsumersPredatorsProducersDecomposers30s
- Q6Which organisms feed on dead plant and animal matter?PredatorsProducersDecomposersConsumers30s
- Q7Which organism is known for hunting and killing other organisms for food?PredatorProducerSecondary consumerPrimary consumer30s
- Q8Which organism feeds on both plants and animals in a food web?CarnivoresOmnivoresHerbivoresProducers30s
- Q9Which of the following statements best describes bioaccumulation?Bioaccumulation is the breakdown of toxins or chemicals within an organism.Bioaccumulation is the gradual buildup and accumulation of toxins or chemicals within an organism.Bioaccumulation is the transfer of toxins or chemicals from one organism to another in a food chain.Bioaccumulation is the process of releasing toxins or chemicals into the environment.30s
- Q10Which of the following substances is most likely to undergo biomagnification in aquatic ecosystems?NitrogenMercuryCarbon dioxideOxygen30s
- Q11Which of the following best describes the process of biomagnification?The release of toxins into the environment by human activities.The increase in concentration of a toxic substance as it moves up the food chain.The breakdown of toxins in the environment through natural processes.The decrease in concentration of a toxic substance as it moves up the food chain.30s
- Q12Which of the following is a potential consequence of biomagnification in a food chain?Herbivores develop stronger immune systems.Primary producers become more abundant.Decomposers become more efficient.Top predators can experience higher levels of toxicity.30s
- Q13Which of the following organisms is most likely to exhibit biomagnification?A top predator in a food chain.A primary producer in a food chain.A herbivore in a food chain.A decomposer in a food chain.30s
- Q14In a study investigating the effect of caffeine on alertness, which variable would represent the amount of caffeine consumed by the participants?Confounding variableControl variableIndependent variableDependent variable30s
- Q15In an experiment studying the effect of temperature on plant growth, which variable would represent the height of the plants?Dependent variableControl variableConfounding variableIndependent variable30s