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Interactions in Ecosystems 5th Grade Science
Chapter 5 Interactions in Ecosystems 5th Grade Science
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What is an Ecosystem? ____________ - all living and non-living things in an area. An ecosystem is any place where _______ are found. ___________ - a group of organisms of one species that live in an area at the same time. Ex: a group of oak trees or an ant colony Ecosystem living Population
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Community __________ - made up of all of the populations in an area.
Members of a community depend on each other for ________, _________, and _____________. Non-living parts of an ecosystem include: -_________________ -__________________ Community food reproduction shelter air water soil temperature
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Ecosystem Interactions
Living and non-living things _______ in an ecosystem. Living things ________ on non-living things for survival. Each part of an ecosystem has a ______, a job or function that they perform. The whole system works to meet the needs of all of the parts. interact depend role
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Populations in an Ecosystem
____________ can live and grow only where their needs can be met in the ecosystem. If the needs of the population are not met: The number of members will get _________ Some members might ________ away Some will not __________. Populations smaller move survive
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Biomes __________________ - located near the equator and are warm all year long. Tropical Rainforests have more _________ than all other ________. Tropical Rainforest Species: _________ ____________ __________ Tropical Rainforest Biomes species biomes Kinkajou Basilisik Lizard orchids
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Deciduous Forest Biomes
Grow in cooler places that do not have large amounts of ____. ____________ - lose their leaves - oaks, elms, maples. Populations fluctuate due to _______, _________, __________. Why do trees lose their leaves in the winter? Why is overcrowding a problem in the forest? rain Deciduous Trees diseases overcrowding predators
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Grassland Biomes ___________ - biomes covered with many types of grasses and few trees. ___________ grasses form ________ soils. _______ amount of rain Animals: _______, ________, _________ - eat the grasses that the prairie provides. ________ in the grasslands are wolves and bison grasslands decaying fertile small bison antelope Prairie dogs predators
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Populations in the Grassland
_________ when habitat changes - ______, ________, ________________ ____________________ - grasslands changed into farmlands. Prairie dogs decreased in numbers because their food source was taken away and they had less space to roam. ___________ - lightly populated in Northern States decrease climate enemies Water and food supply Declining population of wolves Gray wolves
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Taiga Biome _________ biome that covers much of Canada and Russia in places that are cold and fairly dry. Most trees in the _____have needles – pines Needles are _______ that conduct photosynthesis and provide food for the tree. Needles have a ______coating that prevent water loss tree Animals – bears, elk, moose and wolves – fur to keep warm forest tiaga leaves waxy
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Desert Biomes ______ - areas that receive less than 25 centimeters of rain or snow each year. Desert plants have large _________ close to the surface that allow them quickly take up water from rain. Animals – sleep during the day and look for food at night to avoid the high temperatures Largest deserts are found in ______ and ____ desert Root systems Africa SW Asia
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Tundra Biome _______ biome with little _______.
_____________ area of the world ___________ include the amount of water, food, and space or shelter that is availible to an organism. ______________ - the number of organisms that can live in a place ____________________ -short time of warm weather cold rain Most Northern Limiting Factors Carrying capacity Limiting factor in the tundra
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Water Ecosystems ___________
Water ecosystems include animals that spend much of their time on land. Plants and animals are _________ to live in this environment. rivers Wetlands Coral Reefs The Deep Sea adapted
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Wetlands ________ - partly covered with water or is flooded at least part of the year. _________ wetland has many different types of grasses – ex. Everglades _________ - wetland with many trees and bushes. __________ - places where rivers flow into oceans. Wetland sawgrass Swamp Estuaries
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Benefits of Wetlands _________ - plants, soils, and microorganisms
_________ - plants, soils, and microorganisms clean the water Provides _____ and ______ to many wetland species. filters Cleaners food shelter
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Coral Reefs __________ grow in areas where there are not many nutrients – extra nutrients will help the enemies of coral to grow and harm the coral. Coral reefs _______ shore lines from ocean storms Coral reefs have provided ________ As corals grow and die, their ________ parts pile up to make the reefs Coral Reefs protect medicines skeletal
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The Deep Sea The deep sea is ____, ____, and has very high ______________. ________ cannot reach these depths – no plants grow. Animals bodies are _______ to live under the crushing pressure of the water. cold dark Water pressure sunlight adapted
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Competition Organisms in an ecosystem compete over: ________
An organisms that cannot compete may die or move away to get its needs met. space water light food mates
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Competition cont’d Animals of the same species may compete with each other and with organisms of other species for resources. Plants compete for resources such as _______, ________, _________, and ________. _____________ - may outcompete ________ species for resources water space light nutrients Invasive species native
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Symbiosis ___________ - a long term relationship between different species. In symbiosis, one of the species is always ________, the other species in the relationship is either _______, _________, or ____________. A symbiotic relationship where one species is harmed involves _______ - feed on other organisms - _______. Symbiosis helped helped harmed Not affected parasites host
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Food chains and Food Webs
Every organism needs _______ in order to live Energy moves through an ecosystem in ___________, ___________, or ____________ __________ - organisms that make their own food such as ________, __________, and other _____________. Producers get the energy that they need from the _______. energy Food chains Energy chains Food webs Producers plants protists microorganisms sun
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Consumers ___________ - organisms that cannot make their own food
All ________ are consumers ___________ - only eat plants ___________ - predators, eat only other animals called ______ __________ - eat plants and animals ___________ - eat waste or dead organisms consumers animals herbivores carnivores prey omnivores decomposers
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