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50 Cards in this Set
- Front
- Back
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Nervous System |
controls movements and is the communication network of the body |
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Respiratory System |
moves air in and out of the body |
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Circulatory System |
carries food and oxygen through body |
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Skeletal System |
supports your body and protects organs |
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Muscular System |
allows your body to move |
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Brain |
Nervous system controls nervous system helps you move and think |
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Nerves |
Nervous system bundles of fibers that send messages |
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Spinal cord |
Nervous system links brain and nerves to send messages |
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Esophagus |
Digestive system tube that pushes food into stomach |
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Stomach |
Digestive System mixes and churns food with digestive juices |
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Small Intestines |
Digestive system absorb nutrients from digested food |
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Large Intestines |
Digestive system removes solid waste from body |
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Trachea |
Respiratory System carries air into the lungs |
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Lungs |
Respiratory System Allows oxygen to pass into the body |
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Heart |
Circulatory system pumps blood |
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Veins |
Circulatory system carries blood to the heart |
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Arteries |
circulatory system carries blood AWAY from the heart |
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Bones |
Skeletal system hard pieces of calcium that make up skeleton |
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muscles |
muscular system organs that contract and expand to cause movement |
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What are the four spheres of the earth? |
atmosphere biosphere geosphere hydrosphere |
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Atmosphere |
layers of gases that surround earth |
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biosphere |
part of the earth in which living things exist and interact |
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geoshpere |
layers of rock,dirt and soil on earth |
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hydrosphere |
earth's water; including any on/under land or in the oceans |
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How do all four spheres interact in a hurricane |
The atmosphere provides strong winds hydrosphere provides rain geosphere gets mess up and unstable the biosphere will get seriously hurt or killed |
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Explain the importance of each sphere for us to live |
Atmosphere gives gravity and keeps earth in place biosphere provides food geosphere provides land hydrosphere provides water |
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how do humans influence of the 4 spheres - either positive or negatively |
drink water that hydrosphere provides can give dirty water |
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What would happen to earth if the atmosphere disappeared |
the earth would float randomly in space no air we would die |
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Food Chain |
path that energy and nutrients follow in an ecosystem |
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Food Web |
overlapping chains in an ecosystem |
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symbiosis |
relationships between two kinds of organisms |
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Parasitism |
one organism lives in or on another and benefits - host harmed |
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mutualism |
both organisms benefit |
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commensalism |
one benefits - one not affected |
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abiotic factors |
nonliving components in ecosystem |
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biotic factors |
living components in ecosystem |
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invasive species |
organisms that humans move from its natural environment to a new foreign environment and it causes harm |
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examples of abiotic factors |
sun, temperature, soil, clouds, water |
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biotic factors |
plants, animals, fungus |
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What symbiosis relationship do zebra mussel have with the native species? |
*the zebra muscles threaten the native species cause the native species aren't used to them |
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Why are zebra mussels considered an invasive species |
Because they are threatening native species |
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How does the zebra mussel affect the components of the ecosystem? |
they kill the native species |
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Where does all the energy start in a food web? |
sun |
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Plants are called |
producers |
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primary consumer |
animal that eats plants |
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secondary consumers |
animals that eat primary consumers |
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tertiary consumer |
animals that eat secondary consumers |
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How do you know if something is a producer? |
It takes energy from the sun |
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Photosynthesis |
taking suns energy and converting it to food |
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What does a hawk eat? |
grasshopper, spider shrew, weasel (anything that has a line going into the hawk on the food web) |
