Which of the following might you expect if you increase the amount of energy (and nutrients) into an ecosystem? Group of answer choices increase rates of competition among species increase the consumption of fossil fuels increase the number of trophic levels decrease the standing crop
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Which of the following might you expect if you increase the amount of energy (and nutrients) into an ecosystem?
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- A series of organisms listed in a way that shows which is a food source for another is called ______while ______is made up of multiple connected energy paths in an EcosystemSubmit your project researching an ecosystem you would find in your state. You may submit a poster, presentation, link to your created website, or other document. Be sure to include the following: • Describe at least ten biotic factors found in the ecosystem and at least ten abiotic factors. • Give at least two examples of food chains that could be found in the ecosystem.A bee consumes nectar from a flower witch of the following was described . Two organisms competing for food. A producer. An organism interacting with a non living component of its ecosystem. Or an organism depending on another organism for energy.
- The Law of 10 determines all the following characteristics except one. Which one characteristic does the Law of 10 NOT determine? Group of answer choices The abundance of individuals at various trophic levels The amount of energy stored in the combined biomass of various trophic levels The combined mass of individuals at various trophic levels The length of food chains The number of species at various trophic levelsAs related to ecosystem services which term is accurate match for ecosystem services 1- the benefits humans receive from ecosystem processes 2- a product from the ecosystems biodiversity 3- the monetary value of a productThere are two types of life strategies used by organisms to survive in their environment. 1. K-selected strategy - growth rate is near the carrying capacity 2. r-selected strategy - growth rate is near biotic potential Match the characteristices below to the life strategy they represent J-cruve Logistic Growth Long life span Few offspring
- All of these organisms except for one, belong to the same trophic level. Which one doe not belong? - Fern - Krill - Oak Tree - Phytoplankton - Algae - Grass - MossWhich of the following will affect the biotic potential of a species?a. length of time it takes an individual to reach maturityb. number of members of the population at reproductive agec. number of offspring produced by each reproducing memberd. all of the aboveA group of ecologists want to test if an industrial effluent affects the diversity of aquatic invertebrates in a river. To do this, they compare the community of aquatic invertebrates between two sites: one upstream of the effluent and one downstream of the effluent. Which variable should they calculate to compare the diversity of the two communities of invertebrates? The carrying capacity of the river The net reproductive rate The Shannon Index The gross primary productivity of the river The instantaneous rate of growth
- A niche is loosely defined as an organism's role in its environment, which can include factors such as feeding preference, nesting behaviors, mating behaviors, method of obtaining prey, and local habitats. Keeping Gause's law in mind, do some research on the California red-legged frog and the North Pacific tree frog (use wiki or another Google search). Create a chart comparing the two with respect to their niche or lifestyle that can explain how these two frogs can co-exist in the same ecosystem.Which of the following events would decrease competition for resources in an ecosystem? a disease reduces the population of rabbits in a grassland area a drought reduces the amount of water available to an ecosystem a fire has killed off a portion of the vegetation many offspring are produced in a single yearWhich of the following statements about the concept of ecological niche is correct? A species' realized niche, may or may not be the same as its fundamental niche The fundamental niche of a species includes biotic and abiotic factors while the realized niche only includes biotic factors A species' fundamental niche is always smaller than its realized niche A niche is the same as a habitat