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In any ecosystem, there are less top level predators then there are primary producers. Describe why this occurs in every ecosystem.
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- Map the Ecological balance of a food web with a symbiotic relationship of Predation (Prey & Predator relationship), which is composed of Decomposers, Producers, Primary Consumers, Secondary Consumers & Tertiary Consumers. Note: Food web is composed of interconnecting food chains.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 levelA 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?
- 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?Explain the effects on the ecosystem if Wood rat were removed. Provide both positive (if any) and negative impacts on the ecosystem. Be sure and include as many of the following terms in your writing as possible: autotroph, heterotroph, producer, primary consumer, secondary consumer, tertiary consumer, carnivore, omnivore, herbivore, energy, population, increase, and decrease.In a food web, two different species can directly affect each other’s abundance via _ competition or may in fact have their abundance indirectly regulated by a higher trophic level, a phenomenon called ____ competition. a) Intraspecific, apparent b) Interspecific, apparent c) Intraspecific, apparent d) Apparent, interspecific
- Which statement about the classic competition experiments involving two Paramecium species is FALSE? The experiment involved interspecific competition. The experiment involved exploitation competition. Each species, when grown alone, exhibited logistic growth. When grown together, the species exhibited logistic growth, but each reached a lower carrying capacity than when it was grown alone.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 consumersWhich of the following is true of trophic relationships in an ecosystem? All energy in the food chain is ultimately transferred to top level carnivores Most of the useable energy transferred between trophic levels is maintained--very little is lost The trophic pyramid predicts that top level carnivores should have the least amount of biomass in an ecosystem Net productivity is typically a measure of over-all photosynthesis in an ecosystem
- Which trophic level in an aquatic ecosystem would contain the greatest amount of usable energy? Primary consumers located 150 meters below sea level. Primary producers located 80 meters below sea level. Primary producers located 45 meters below sea level. Primary consumers located 40 meters below sea level.SEAWEED ORCA SQUID MACKEREL HUMAN TUNA RED ALGAE PHYTOPLANKTON MILYFISH Using the food web to the left, complete the following: Name two primary producers: What are the two apex predators? In the space provided, create a food chain that contains 4 organisms:Give an example of an animal in this food web at each of these trophic levels Snake Fox Hawk Producer: Bird Frog Primary Rabbit Grasshopper consumer: Mouse Grasses secondary consumer: Tertiary Consumer: