If 1,000 Joules of energy are present in the primary consumer trophic level of a community, approximately how many Joules might be expected to be present in the primary producer trophic level? Group of answer choices Which of these answers is most likely depends on the particular community 10,000 Joules 100 Joules 1000 Joules
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If 1,000 Joules of energy are present in the primary consumer trophic level of a community, approximately how many Joules might be expected to be present in the primary producer trophic level?
Which of these answers is most likely depends on the particular community
10,000 Joules
100 Joules
1000 Joules
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- As a general rule, for each jump up in trophic level, about how much does the available energy drop? Group of answer choices practically 100 percent 90 percent 10 percent 30 percent 50 percentF5 Which option below most likely describes the nature of the pollutant and the trophic levels of each of the three species? 5 Pollutant Concentration (ng/g) 30- O Black squares represent a primary producer, red triangles an herbivore, and blue circles a predator. The pollutant is biomagnifying in the community. Blue circles represent a primary producer, black squares an herbivore, and red triangles a predator. The pollutant is biomagnifying in the community. Red triangles represent a primary producer, blue circles an herbivore, and black squares a predator. The pollutant is causing eutrophication of the lake. Red triangles represent a primary producer, black squares an herbivore, and blue circles a predator. The pollutant is neither biomagnifying nor causing eutrophication. F6 O A 6 E Year F7 F8 & 7 F9 * 8 DELL F10 9 F11 FO O ? F12 PrtScr ap 85°F Clear Insert EConstruct a biomass pyramid for the following hypothetical scenario. Be sure to include all four trophic levels in the pyramid, and provide the total biomass of living things found at each level. Be sure to include units, and label each trophic level. The shape of your pyramid should be based on the biomass of each trophic level. Levels with more biomass should be drawn wider, and levels with less biomass should be drawn thinner. Note that your biomass pyramid may or may not be a true pyramid. Scenario: Hickory Run Nature Reserve is a 150-acre conservation area filled with plants and animals native to the Mid-Atlantic region of the United States. A baseline study was done to determine the total biomass of producers and consumers living on the reserve. Baseline data will be compared to data collected in future years to determine trends in species accumulation or loss. This comparison is important because the region surrounding the reserve is experiencing a high rate of human development…
- PLEASE ANSWER A AND B As we know, energy is lost moving from one trophic level to the next (total energy moved from one trophic level to the next is usually estimated at 10%). The total loss is known as trophic efficiency. Trophic efficiency is made of 3 parts (3 places where energy is lost). You need to pick TWO of the three individual efficiencies that make up the overall trophic efficiency and for EACH, tell me: a. What do we call this part of trophic efficiency? b. How is energy lost in this part of trophic efficiency? c. We discussed characteristics of an organism or environment that made it more or less efficient in certain parts of trophic efficiency (we did not use this one in class, but for instance, endoparasites have a higher xxxxxxx efficiency than ectoparasites). Tell me what characteristics of an organism/ecosystem (other than the example above) would make it more or less efficient for this part of Trophic efficiency. (Make sure to say what characteristics makes it…In the lake the biomass of plankton decreased from 65000 to 50000 kg. As a result the biomass of the lake minnows (trophic efficiency is 9 %), for which plankton is food, also decreased. How many individuals will the lake pike population decrease by (the average mass is 3.5 kg, trophic efficiency is 12 %)?A conceptual model representing the role, interaction, reaction, and density of essential ecosystem components is shown below. Examine the model and the relationships between the major players (i.e., predator, prey, producer). The structure's most important role is played by these major players. It's also worth noting that nutrition has been included in the model. This is the abiotic component that has a direct or indirect impact on the interaction. Question: Based on this scenario, what is the most significant role of sea otters in the marine community? Why it’s important?
- When hunting disrupts the balance in the food chain by removing all owls, there will be no predators on snakes, leading to their increase in numbers. Considering the scenario where the number of lost owls (4) is replaced by snakes, compute for energy units following in completing the table below. Trophic Levels No. Individuals in Each Trophic Level No. of Units Received from Trophic Level Above No. Units Used / Individual (Resp) No. Units Used in Trophic Level No. Units Remaining & Passed on to Next Trophic Level Mean No. Units Available per Individual in Trophic Level SUN +E = 6 1) Plants 30 2 2) Grasshopper 19 2 3) Frog 12 2 4) Snake 8 + 4 = 12 2 5) Owl 0 2The 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 levelsWhat percent of the energy stored at one trophic level is stored at the next trophic level? О 10% О 30% 50% O 90%
- Calculate the fraction of energy available after climbing up 3 trophic level(s). Express it as a decimal fraction and percent. Include the units in your answer, where appropriate. don't copy from other sourcesQUESTION 5 Examine the data below. Species R*nutrient1 R* nutrient 2 R* nutrient 3 One 5.0 7.0 7.0 Two 10.0 3.5 5.0 Three 15.0 10.0 15.0 A community that contains species 1, species 2, and species 3 currently has only two resources available: nutrient 2 and nutrient 3. What is the expected result? O A. Species 1 would win O B. Species 2 would win. O C. Species 3 would win. O D. There would be competitive exclusion. O E. There would be coexistence.According to the resource-ratio hypothesis (a.k.a. R-star), what factor(s) will determine the maximum number of competing species that could possibly coexist in a community? (Note: either one or more-than-one answer could be correct) .what does the number of limiting resources in a community tell us? The number of limiting resources in the community The net primary productivity of the community (NPP). The number of trophic levels that are present in the community. | The intrinsic rate of increase (r) of each species in the community. The colonization rate of each species that can access the habitat.
