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Primavera Biology B Unit 5: Ecology QUESTIONS WITH COMPLETE VERIFIED SOLUTIONS 2024/2025
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Primavera Biology B Unit 5: Ecology QUESTIONS WITH COMPLETE VERIFIED SOLUTIONS 2024/2025 CHECKPOINT 22 Which describes symbiosis? Two organisms belonging to different species live closely together and have specific interactions. What is the most specific ecological level? an organism A tick feeding off the blood of a dog is an example of which type of relationship? parasitism In which of the following situations would primary succession occur? on an island just formed by a volcano Which of the fol lowing describes organisms that need to obtain energy from other organisms? Select all that apply. heterotrophs consumers What term describes the conversion of inorganic carbon to organic carbon? primary production Approximately how much of the Earth's pr imary production occurs in the oceans? 50% What are organisms that use chemical energy instead of sunlight produce carbohydrates? chemoautotrophs Which type of organism feeds on waste and dead organic matter? detritivores CHECKPOINT 23 What is a trophic le vel? a reflection of where an organism is in the sequence of energy transfers Which is an illustration that shows the amount of energy contained at each trophic level? energy pyramid What is the name for an organism that eats producers? primary consumer What organisms are at the first trophic level? organisms that use energy from the Sun On average, how much energy is transferred from one trophic level to the next? 10% What would happen if a producer were removed from an ecosystem? Less energy would be av ailable. What occurs in evaporation? water changes from liquid to water vapor How is nitrogen gas fixed biologically? bacteria in plant roots and soil CHECKPOINT 24 The short -term conditions in Earth's atmosphere at a certain time and place is the definiti on of _[blank]_. the weather What best describes an urban area where concrete and asphalt absorb the Sun's energy and reradiates it as heat back to the surrounding air? a microclimate In December, which hemisphere is tilted away from the sun? Northern Hemi sphere Which of the following describes how Earth's temperature is maintained by the greenhouse effect? Gases such as carbon dioxide and methane reflect heat from the Earth back towards Earth's surface. Which of the following is not a terrestrial biome? an estuary Temperate forests are characterized by _[blank]_. pronounced seasons with year -round rainfall In which freshwater ecosystem is it possible for the soil to be saturated with water for only part of the year? wetlands Estuaries are characterized by _[blank]_. the presence of fresh water and salt water The _[blank]_ is the zone where no sunlight penetrates the water. aphotic zone CHECKPOINT 25 What factors affect carrying capacity? Select all that apply. predators in habitatThe benefits of buying summaries with Stuvia:
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