Study Guide #2 - Study Guide Exam#2 Ecology 1 Describe the...

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Study Guide Exam #2 Ecology 1. Describe the Primate Biomes: characteristics, characteristics of forest layers. Topical Rainforest: A lot of rain every year and the same amount every month, most plant species are evergreen, little temperature variation and forest layers (Emergent layer-tallest, Canope- monkey high way, Understory layer- darker not consistent layer for clingers and leaper and forest floor- present cooler temperatures, flowers and darkest part of forest. Challenges of living in these forests include: Dietary Challenges: a. Mechanical properties of food b. Secondary Compounds: Toxic compounds that can be poisonous if eaten in large quantities Predators Leighbig’s law of Minimum : Factors that are limited in supply (food, water, space) will limit the size of the population and might affect behavior and other adaptations. There for monkeys and apes are: SELECTIVE AND TRY NEW PLANTS TO CONTROL THE AMOUNTS OF TOXINES BY FEEDING IN A VARIETY OF TREES. Seasonal Tropical Rainforest: More seasonal rain with plant species more limited, patches of trees that re further apart and not as consistent. Challenges of living in these forests include: Dietary Challenges: more seasonal foods. Locomotion challenges: Create more energy cost when moving from tree to tree. Predators Tropical Savannah: challenging biome, seasonal, rainfall reduced, less species diversity, sparsely distributed trees, tall grasses. Challenges of living in a savannah: Sleeping sites- Trees when available. Seasonal foods: acacia trees have large thorns and insect gals that make it a difficult resource to procure. Many predators!
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Semi-Desert Scrub: Very challenging biome, rain falls during short wet season and might not fall at all!!, variable temperatures (very hot during days, very cold during night!), and there are almost no trees. Challenges of living in desert: Sleeping sites: often there are no trees so monkeys sleep on cliff faces. Predators. Scarce food and water. Example: Hammadyas Baboon. Think of movie! 2. Importance of microhabitats: Microhabitats are important because enables a large number of species to use resources that are available. 3. What happens when a tree is cut down, does it affect a microhabitat? When a tree is cut down a habitat is wiped out and the sun goes through and dries the forest floor. 4. Leibig’s Law of Minimum: Factors that are limited in supply (food, water, space) will limit the size of the population and might affect behavior and other adaptations. There for monkeys and apes are: SELECTIVE AND TRY NEW PLANTS TO CONTROL THE AMOUNTS OF TOXINES BY FEEDING IN A VARIETY OF TREES. 5. Are primates important seed dispersers? What different ways are seeds dispersed? Yes, there are two ways in which seeds are dispersed: by monkeys eating them and pooping them later, by primates carrying pollen in their faces and by seed shadow (what the tree normally does!) 6. Why is the word relations so important in the definition of ecology:
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