Explain how the following statement relates to carrying capacity: Demand can only be satisfied by consuming the resource base itself. We call this overcutting, overfishing, overgrazing, overpumping, and overplowin
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- Classify the species in this ecosystem and draw a food web of the following species (in the image) 1. The primary producers 2. The primary consumers 3. The secondary consumers 4. The tertiary consumersIn the land between the lakes, Elk and Bison Prairie, we currently have 125 bison and 15 elk. These species are known to compete for some but not all of their resources. We are able to determine that the carrying capacity of the bison K1 is 200 and that the alpha (competition coefficient) is 4. The carrying capacity for Elk (K2) is 100 and the beta (competition coefficient) is 1.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?
- An arctic tundra has a net primary productivity of 100 g m2 yr1 of C. Herbivores in the system ingest 33 g m2 yr1 of C, but then lose 26 g m2 yr1 of C through egestion and respiration, yielding an actual herbivore productivity of 5 g m2 yr1. What is the trophic efficiency (as a percentage) for this system? Your Answer: AnswerIndicate whether the statement is true or false: Aquatic ecosystems can receive a large input of a limiting nutrient from the runoff from heavily fertilized fieldsA 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: Why does the organism’s interaction appear in an oscillating pattern? What does it suggest?
- The following is NOT true about trophic levels Animals capable of feeding at many trophic levels will be able to survive if portions of their food supply are decreased or eliminated Secondary consumers belong to the third trophic level Primary consumers belong to the first trophic level Each stage through which energy travels is called a trophic levelDescribe how limiting factors relate to carrying capacityTrophic Cascade Concept Map Primary Producers: Include at least two different types of primary producers (plants, algae, or other autotrophs) in the ecosystem. Herbivores: Identify herbivores that feed on the primary producers you chose or invented. Include 2 different species that might consume your primary producers Primary and/or Secondary Carnivores Introduce at least 2 carnivores that prey on herbivores or other carnivores. Demonstrate a cascading effect on the ecosystem. Biotic Interactions-Highlight various biotic interactions, such as mutualism, competition, and especially predation, among different organisms in the community.
- Assume the following strict trophic chain: mountain lions eat deer; deer eat black oak seedlings; lizards eat bugs, spiders eat bugs; bugs eat black oak seedlings. Which of the following statements is true? (choose one) A. The mountain lion is a tertiary consumer B. The deer is a secondary consumer C. The spiders are secondary consumers D. The lizards are primary consumersDo you think all species have the same carrying capacity or different carrying capacities? ( can you site any sources used)Beavers are powerful ecological engineers. When they dam flowing streams they can create ponds and wetlands. Select all of statements indicating the way that beavers change energy flow and element cycling by damming streams. CLIMASE ATAPLAR FORM Beavers have no effects on energy flow through the brown and green food web Beaver dams indirectly increase net primary productivity by creating wetlands and ponds Beavers indirectly reduce secondary productivity Beavers indirectly decrease primary productivity by turning streams into ponds or wetlands Beavers indirectly cause greater releases of carbon to the atmosphere by damning streams Beavers indirectly increase energy flow through the green and brown food wegs Beavers indirectly increase net secondary productivity Beavers indirectly increase carbon storage in organic matter