Know the 3 survivorship curves. How is a food chain different from a food web? Why is transfer of energy in an ecosystem referred to as energy flow, not energy cycling?
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- the 3 survivorship curves. How is a food chain different from a food web? Why is transfer of energy in an ecosystem referred to as energy flow, not energy cycling? Explain the single greatest threat to species biodiversity today, citing 2 examples. Identify four derived characters that all chordates have at some point in their life. Is it accurate to define homeostasis as a constant internal environment? Explain. Distinguish the overall structure of a gastrovascular cavity from that of an alimentary canal. Which division of the autonomic nervous system would likely be activated if a student learned that an exam, they had forgotten about would start in 5 minutes? Explain. Explain why a physician might order a white blood cell count for a patient with symptoms of an infection. Why is an internal location for gas exchange tissues advantageous for terrestrial animals?CASE STUDY CONNECTION Describe five ecological changes to freshwater communities in the Great Lakes or the Hudson River that have occurred since the invasion of the zebra mussel. Describe one economic impact of the invasion. What is one way to prevent the mussel from spreading to new areas?Activity 4. Make a Dichotomous Key. Make a Dichotomous Key for the animals illustrated below https://www.flickr.com/photos/queenslandstatearchives 137884088126 https:pixabay.com/vectors/biodiversity earthworm fertilizer-160380 https:Weommens.wikimedia.arg/aiki/File:CSIRO_Seienoeimage 2186 ARed ackSprderjpg https://en.wikipedia.org/wiki/Tamaraw %3D II IV
- - U3:L1:E1:Flow of Energy and Matter rmat Tools Add-ons Help Last edit was 34 minutes ago Food Webs How would the oceanic food web be affected if all of the krill were removed from the ecosystem? (multi-sentence answer required) How would the oceanic food web be affected if all of the plankton were removed from the ecosystem? (multi-sentence answer required)1. Examine the food webs for Lake Victoria, East Africa (fig 31.2 a,b) before and after the introduction of the Nile perch (Leveque 1995). Calculate the mean food chain length, percent of trophic groups at various levels, and connectance for each food web. Oreochromis Insectivorous Fish Chironomids Chaoborous Man Piscivorous Fish Zooplanktivorous Haplochromines Rastrineobola Zooplankton Detritus/Phytoplankton Lake Victoria in the 1970s Detritivorous Phytoplanktivorous Haplochromines Figure 31.2. (a) Food web structure of Lake Victoria before introduction of the Nile Perch. [continued on next page) Molluscivorous Fish MolluscsConsider a trophiccascade with 4 levels: 1) predatory fish that consume planktivorous fish, 2) planktivorous fish that consume zooplankton,3) herbivorous zoplankton that consume phytoplankton, and 4) phytoplankton. True or False: A reduction in predatory fish will increase the level of phytoplankton. True False
- Please suggest atleast 3 simple animal ecology topics with ibjectivesBased on the text for mosquitoes eating: 1. Identify abiotic factors that support the survival and reproduction of the mosquitoes and explain why the mosquitoes needs this factors. 2. Identify biotic factors that support the survival and reproduction of the mosquitoes and explain why the mosquitoes needs this factors. 3. Predict what factors in the environment can be altered to decrease the survival and reproduction of mosquitoes and why?Describe two different adaptations (behavioral, morphological, physiological) of butterfly fish that might have for its specific niche within the coral reef (water column, benthic floor, coral).
- Study these two figures? Which graph represents Semibalanus? (d) When competition is asymmetric and niches do not overlap completely, weaker competitors use nonoverlapping resources. Chthamalus in Species 1 (strong competitor) (weak competitor) upper intertidal zone Species 2 fig 53.5 Fundamental Mean tide level niche Realized Semibalanus in lower intertidal zone niche O Pon Beran Cuminga Ar erve Niche (range of resources used) Copyright e 2008 Pearson Benjamin Cumnings. Alrights reserved. A. purple graph (left) B. green graph (right) A. purple graph (left) B. green graph (right) Number of individuals using resourcecom/forms/d/e/1 FAIPQL Hawk Ocelot Flycatcher bird Squirrel Caterpillar Iguana Grasshopper Plant materials, leaves, fruits, seeds Figure 4. Terrestrial food web a. Idenrifv. from the food web shown in Figurea food chain ich FOUR trophic lev els. Your answer KO Nentify. from the food web in Figure 4 ONE predator and ONE organism which is likelv to he its prev dpQ1: What percentage of the original 10,000 Kilocalories is available to a shark that might eat the tuna in this figure? Q2: What trophic level and term would describe a predator of tuna? Q3: Give an example of a primary consumer in a terrestrial environment.