Ecosystems - Cabarrus County Schools

Ecosystems - Cabarrus County Schools

Ecosystems Setting Up Your Journal Title page Ecosystems should be written on the page and you should include illustrations. Table of Contents

Page 4 Essential Questions Pages 5-8 - Vocabulary Essential Questions In what ways are environmental systems connected? How do changing environmental systems

affect organisms, including people? How does the location on Earth impact the characteristics of an ecosystem? Vocabulary You need to have 4 pages for this section. Write the word vocabulary on the top of each page. Your first 2 vocabulary words will be: 1. Ecosystem 2. Biome

Ecosystem: all the populations of living and non living things in an environment and the interaction among them Biome: a large scale ecosystem Biomes Worksheet

Read and highlight information Glue into journal on page 10 Add to Table of Contents Brain Pop video Land Biomes videos Rainforest

video All about the rainforest Jot down notes while watching the video Deciduous

(Temperate) Forest Average temperatures and average amount of rainfall Exists on every continent, except Antarctica and Africa Trees shed their leaves each year Multiple seasons occur due to the amount of sunlight Several layers of plants can be found here Tall trees (which create a canopy) let light reach the bottom where bushes and smaller trees grow (unlike in the rainforest)

These plants provide a variety of habitats for animal life Taiga Biome Watch the video and listen for key elements Jot down notes Tundra

Biome Watch the video and listen for key elements Jot down notes Grasslands/Savanna Grasslands,

Biome video Savanna, Prairie also known as Savanna(Africa) or Prairies(North America) mainly have grasses growing and few trees little rain long slender leaves allow little water loss in plants

Write down other info you found important from the video Desert Biome video Deserts

soil and air are dry little rain sun shines most of the time temperature hot in day (summer) and can be freezing at night (winter) few plants: cactus and bushes snakes, lizards, few mammals like rabbits Write down other info you found important from the video Mr. Parr's Biome song Terrestrial

= land Aquatic = water Aquatic Ecosystems Learn about the difference between a freshwater ecosystem and a saltwater ecosystem Water Biomes Water-based regions home to a unique

group of living things. Vocabulary Organism: an individual plant, animal, or single-celled life form Individual: a single organism in an environment Population: individuals of the same kind

living in the same environment Community: all the populations of organisms living together Wetland Also known as swamp, marsh, or bog Land covered with shallow water for all or part of the year Water comes from rain, melted snow, underground spring Marsh-grassy with reeds and cattails near river or lake Bog- found in cool climate, spongy peat moss

Swamp- forested wetland full of trees and shrubs Everglades Brainpop video Bill Nye the Science Guy Wetlands River A ribbon of water that weaves over land Constantly moving and changing Can carve canyons and form waterfalls Water comes from melted snow, springs, rainwater, underground Water flows downhill Underwater plants anchor in the river bottom Water level drops and rises depending on

rain fall. Rivers Brainpop video Vocabulary Habitat: a place in an ecosystem where a population lives Niche: habitat the role each population has in a Lake

A pool of freshwater that fills low spots in land Form from mountain snow, natural springs, along rivers, or behind dams Trees line the sides of the lake Water lilies grow on top of the water Tall grasses are on the water edge Estuary Where a river meets the ocean Part wet part dry Forms brackish water (fresh water and salty water mixed)

Found on edges of continents and islands Experience high and low tides Mud is full of nutrients Ocean Covers 75% of earths surface Very salty Largest water biome Waves move water and has high and low tide Sea weed and algae grow Deep water gets no light so few producers and cold temperatures Vocabulary

Producers: organisms that use sunlight to make the food they need from carbon dioxide and water Consumers: all organisms in an ecosystem that eat to get the energy they need Decomposers: consumers that break down the tissues of dead organisms

Biotic and Abiotic Factors Abiotic: a non-living organism Biotic: a living organism A = not Bio = living sps07_int_ecosystem/ Venn Diagram Abiotic

-Water -Glass -Sand -Plastic -Dirt -Gold -Oxygen Rocks -Temperature -Clouds Biotic Desert Tundra Ocean -Whale

- Coral -Mushroom -Snail -Paper -Trees -Steak -Mold -Hair -Grapes -Athletes Foot -Salad -Grass Comprehending 1. If all of the rocks ( A ) are removed from a desert ecosystem, what would happen to the population of rock

dwelling lizards ( B ) and in turn the animals which eat them? 2. A ten mile area of trees ( B ) is removed from the tropical rainforest. How will this affect the amount of water ( A ) and the amount of oxygen ( A ) in the area? Producers A Producer is a living thing that makes its own food. Plants, grasses, shrubs, and trees are examples of producers.

Other examples include algae and bacteria. Plants use the energy in sunlight to make or produce their own food. Consumers Animals and people cant produce their own food. A Consumer is a living thing that gets energy by eating other living things. All animals are consumers. Consumers Continued There

are three types of consumers Herbivores: consumers that eat only or mostly plants. Mice, rabbits, deer, and insects. Carnivores: consumers that eat only or mostly animals. Sharks,

walruses, cats, lions, foxes Omnivores: consumers that eat both plants and animals. Pigs, bears, raccoons, and humans. Decomposers Living things give off waste material. A decomposer is a living thing that gets energy by breaking down wastes and

dead plants and animals. Decomposers break the material down into simpler materials which become part of the soil that helps plants grow. Examples: bacteria and fungi such as mushrooms. The Flow of Energy in Ecosystems ms/jams/science/ecosystems/foodchains.htm Food Chains

A food chain is a model that shows the path of energy from one living thing to the next. If one kind of organism is removed from this food chain, all the other organisms in the food chain will be affected. Food Web A food chain shows the flow of energy from one living thing to the next. Several food chains connect to form a food web. ms/jams/science/ecosystems/foodwebs.htm

Food Chains and Webs - Brain Pop Example of a Food Web Energy Pyramids Energy moves through ecosystems. It goes from small animals to big animals to the biggest animals. As each animal eats it stores only the energy it gets from the plant or animal it eats. The bottom level always contains producers and holds the most energy.

Energy Pyramids Continued Each higher level contains less energy and fewer living things. The carnivores are at the top of the energy pyramid and contain least amount of energy. y/energypyramid/preview.weml Energy Pyramids Each level is reduced by 10 %.

Competition Competition: the contest among organisms for the limited resources of an ecosystem Organisms compete for water, food, shelter, and sunlight Every animal has adaptations that help it compete for resources Camouflage (or patterns of body color) and hunting in packs are two examples of adaptations

In some communities, animals live together and share resources. These animals do not directly compete with one another. Study Jams - Animal Adaptations Symbiosis

Symbiosis: a long term relationship between different kinds of organisms Different kinds of organisms often live closely together for most or all of their lives. Symbiosis may benefit both organisms or it may only benefit one and not the other (commensalism) Parasitism is when one species grows stronger by harming another species A relationship where both organisms benefit is called mutualism. Flowers and bees and cleaner fish and sharks

are both examples of mutualism. Symbiosis - Study Jams Symbiosis - Brain Pop Instincts and Learned Behaviors Some animal behavior is inherited and some is learned. Instinct: a behavior that an organism inherits

Shared by an entire population (or some only for males and some only for females) Examples include building shelters and finding mates Squirrels instinctively bury acorns and Canadian geese fly south for the winter Learned Behaviors: behaviors animals learn from their parents, not inherit from them.

Young lions must learn hunting skills from adult lions in order to survive Birds learn what kind of nests to build from adult birds Inherited Traits A trait is a quality or characteristics of a living thing. A behavior is a way in which a living thing acts or responds to its surroundings. You inherit the color of your eyes and hair and the shape of your nose.

If you can roll your tongue you were born with this trait. These traits are passed from parents to offspring. Plants inherit ways of responding to their surrounding such as roots grow down and toward water. Stems grow up toward the sun. Acquired Traits Not all traits are inherited. An acquired trait is a characteristic that a living thing gets during its lifetime. Acquire=to get A scar is a physical trait that is acquired. Many acquired traits are learned behaviors. Example: young chimpanzees learn to use

sticks as tools to get food. You were not born knowing how to speak or read a book. Inherited Traits and Acquired Traits Inherited Traits Acquired Traits A girl has brown eyes. A girl can speak Spanish. A boy has long fingers.

A boy knows how to play the piano. A plant has red flowers. A plants leaves have spots from a disease. A bird knows how to build a A bird knows where to find nest. a feeder. A tree has large, round leaves. A trees trunk is bent by

the wind. A dog has curly fur. A dog knows how to fetch on command.

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