Below is an example of an Antarctic food chain. Sun ---> Phytoplankton ---> Krill ---> Squid ---> Emperor Penguin ---> Leopard Seal ---> Killer Whalee Most Energy is lost between |- A. all stages equally B. the leopard seal and the killer whale « C. the squid and the emperor penguin e D. the sun and phytoplankton
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- With antibiotic resistance rising, researchers are looking for ways to reduce the use of antibiotics. Instead of antibiotic-laced food, some cattle now get probiotic feed with cultured bacteria that can establish or bolster populations of helpful bacteria in the animals gut. The idea is that if a large population of beneficial bacteria is in place, then harmful bacteria cannot become established or thrive. Explain the ecological principle that is guiding this practice.What does the fishing-down-the-food-web hypothesis predict? The lowest landings have the lowest trophic levels The lowest landings have the highest trophic levels None of the options are correct The highest landings have the lowest trophic levels The highest landings have the highest trophic levels In the movie regarding lactose intolerance researchers examine what type of artifacts to determine if milk was in the diets of ancient settlements across Europe and Africa? None of the options are correct Shovels with cow feces DNA Paintings on cave walls Glass cups with milk residue Pottery pots and animal milk fatsIn Florida, mangrove trees grow as part of an intertidal ecosystem. A simplified model of a food web in a Florida mangrove forest is shown. Heron Snail Small Fish Pelican Prawn Mangrove Phytoplankton
- Spermatogenesis is the process by which sperm develop and mature. Which of the following sequences correctly describes the anatomical path of spermatozoa from formation to ejaculation? prostate, vas deferens, testes, urethra testes, urethra, prostate, vas deferens prostate, urethra, testes, vas deferens testes, vas deferens, prostate, urethra O O O OA Food Web om Eage Pythan Wolf Rat Dragonfly Thrush Frog Butterfly Fruit Fly Grasshopper Mangoes Corn A Flowering Plant Lavenders Look at the food web above to answer the following questions. 1. Which organisms are the producers in this food web? 2. Which organism is an example of a primary consumer? 3. Which organism is an example of a tertiary consumer?Science Name: Date: Class: Range of Tolerance Data Analysis One of the responsibilities of an aquatic biologist is to make sure that the abiotic factors stay wiumh the acceptable ranges for the optimal help for the Species within the local ecosystem. Bcologists, including aquatic biologists, use the range of tolerance to monitor the number of different populations residing in the area. m order to do so they use statistical models. Create a graph displaying on the x-axis the ranges of abiotic conditions such as temperature to study the population of rainbow trout in the area ( use the launch model as an example), Label each interval with temperature range and condition. What Causing Stress in Rainbow Trout Population The optimal range is the amount of an abiotic factor that produces the highest possible population. For water temperature, this would be about 6-10°C. Label this area on the graph. 1. 2. The zone of physiologic stress occurs when an abiotic factor exists at levels that are…
- K P Parchment Exchange - Leader i edgenuity.com/player/ - SC5181 A 7 1 X Unmark this question + 7 8 What would happen to the ecosystem services provided by a coral reef if it were to sustain permanent damage? O The water that would otherwise filter through the coral polyps would become more dense with plankton. O There would be higher concentration of water pollution that could harm other organisms. O Timber production in surrounding land areas would decrease due to the lack of nutrients in the soil. O Humans would have more reason to visit the area in their boats. O 10 M O DELL ✓ Save and Exit 10 Next G<☆ English Sign out Kinley Heath Submit O A Oct 27 10:17 AWhat are some conditions that might lead to a mutualistic organism becoming a predator/parasite. Select all that apply. A. Mutualistic nitrogen fixation bacteria might reduce the competitive ability of their host plants in environments with high N availability, because of the energetic costs to the plants of supporting the bacteria B. none of the above C. Mutualistic nitrogen fixing bacteria can become parasites in soil with low nitrogen availability because of the energy costs to the plant of supporting the bacteria D. A mutualist fish species that feeds on ectoparasites of another fish species, might switch to feeding/removing important host tissue or secretions when ectoparasite abundance is too low.Below is a diagram of a complex food web. Match the removal of an individual species with the result in the food web. Mackerel Tuna Krill Seal Herring Seals are hunted to local extinction in this community Phytoplankton populations crash because an herbicide leaked into the water The dogfish population is decimated by a disease Dogfish Plankton [Choose ] [Choose ] Cod [Choose ] Scallop > >
- In a mangrove swamp, the roots of the mangrove trees trap plant debris on which pink shrimp feed. Great blue herons are among the animals that feed on the pink shrimp living among the roots. Little Red Bat Bocourt Swimming Crab Pink Shrimp Brown Pelican Great Blue Heron Pinfish Which statement below explains the role of the pink shrimp in this food web. O Processes organic material to produce nutrients for plant growth O Keeps populations of overabundant species under control O Enables energy to flow from plant debris to other organisms O Produces energy that forms the foundation of the food chain Cushion Sea StarI made it payable to bald Eagle’s will typically have a territory of 1-2 km i’m sure line in which they do not tolerate the presence of other members of the species why is it necessary for them to defend Such a length of territory explain in terms of their diet in trophic webou are on a field trip visiting a local pond. You have been tasked with identifying the different abiotic and biotic factors that affect the ecosystem. You notice a large dam blocking what used to be a stream. There are several aquatic plants and animals in the area. Fish reside in the pond, small reptiles like skinks and snakes live around fallen trees, finches and various other bird species can be found around the pond. You also find trash along the outskirts of the pond. Describe specifically how this keystone species would impact its ecosystem.