Population; Community & Ecosystenv’ Worksheet Section A: Intro to Ecology “The wolves and moose of Isle Royale are known world-wide, and they are the focus of the longest-running study of a predator-prey system in the wild, Both species are relatively recent ‘arrivals to Tsle Royale -- moose apparently swam to the island and established a population in the early 1900s, and wolves followed decades later after traveling over the: ice from Ontario, Canada in the late 1940s, Annual monitoring of wolves and moose began in 1958 when Durward Allen of Purdue University began an ambitious "10-year" study of the wolf-moose relationship. This study continues today, under the direction of John Vucetich and Rolf Peterson of Michigan Technological University." ntip//mwmnps.an/iso/natucescience/ecological-stses:of wolves-onisle-ragale im 1. Why is this relationship important for scientist to study? ———— 2. After watching the video, ‘The Wolves and Moose of Isle Royale’, explain how the populations have been affected. http://www youtube,com/watch?v=PdwnfPurXcs Section B: Concept Check Use the wordbank to match the definition with the term, (##1-8) Ecosystem Organism Biome Biosphere Abiotic Biotic Community Population Living part of the environment ___ Collection of abiotic and biotic factors i an environment A single living thing that can breed/produce fertile of fspring Ecosystem with same climate and similar communities Individuals of the same species that live in the same area. Earth with all the ecosystems Different interacting populations that live together in an area Nonliving part of the environment Arrange these levels of organization in order from 1 to 4 starting with the simplest, Organism Community Ecosystem Population eNO T AYN 10, Identify the level of organization @. Group of bats living in a cave b. Red-eyed tree frog ¢. Insects, fish and algae in a lake d. Anocean. Dipindai dengan CamScannerSection C: Habitat vs. Niche 1. The red fox is a predator which feeds on the small momma, amphibians, insects, and fruit, Red foxes are active at night, They provide blood for blacktlies ond mosquitoes, and are host ‘to numerous. diseases. The ‘Scraps, or carrion, left behind after a fox's meal Provide food for many small scavengers and decomposers, ©. 15 this an example of the red fox’s habitat or niche? 2. The red fox occupies a niche in the meadow-forest edge communities, In other plant Communities different species of animal may occupy a similar niche to that of the red fox. For ple, in the grassland communities of western Canada and the United States, the coyote occupies a similar niche (to that of the red fox.) @ Explain what would happen if the two organisms tried to occupy the same niche in the same habitat, % What is the difference between a habitat anda niche? = SSS (vocab word) Abiotic | (definition) nonliving Part of the environment ba (example) rock Section Di Population Density (his velit com/aas/spltios/tydersnh ht 1. Calculate the population density of the following countries a “Count a 'Y 9 (visual Country Population | Land area | Density km") ] | (km’) | | | | Canada) 2.805.000) ore, 140} a | China] 4,306,373 800 | 596,60} --——— Japan 127,417,200 | 377,835 india 7.080.284 400] —3.287,500 Monaco: 32, 410 2 Spain 40,341,500 | 504,782 United Kingdom 0487.50] 244820 United States 295,734,100 | S528 057 . What does population density indicate? ee & Dipindai dengan CamScanner™ « Isle Royale Moose first arrived at Isle Royale around 1900. The moose population tends to increase in years with mild winters, early spring green-up, abundant winter forage, low wolf numbers and low levels of tick infestation. Wolves first arrived at the island on an ice bridge from Canada in 1940. Between 1980 and 1982, the wolf population declined from 50 to 14, due to canine parvovirus, Predator Prey on Isle Royale 3000 pe 7 —) 2500 - so 2000 ‘i 40 { i aeer i a Pot ee ASS oe Moose o Pani} oa +} 20 2 Number of 1000 +e" a 500 ° 1950 1. What would happen to the moose population if the wolves were removed from the island? 2. What happens to the wolf population when the moose population decreases? = Community Ecology 1. Explain how the relationship between predator 20. Hare — (lynx) and prey (hare) of fect population 7 Lyax — 340 j 30 320 1910 ‘1920 1920 Identify the type of interactions: predation, competition, mutualism, parasitism, or commensalism 2. Tapeworm living inside the intestines of an animal, 3. The Cottle Egret forages in pastures and fields among livestock such as cattle and horses, feeding on the insects stirred up by the movement of the grazing animals. The livestock do not benefit. The cuckoo bird attacks another bird's nest and removes the bird's eggs. She then lays her 495 in the attacked nest and lets the unsuspecting bird raise the cuckoo's young, Ee -—-3e Dipindai dengan CamScanner