Life Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Life is organized in the manner | atoms molecules cells tissues organs organ systemsorganismpopulationscommunitiesecosystems
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| Structure | is the way something is put together and function is the job that the structure performs. These two concepts are interrelated
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| Unicellular | organisms carry out all of the functions necessary for the organism to stay alive within a single cell.
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| Multicellular | organisms are composed of many specialized cells that work together to help the organism survive
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| Autotrophs (producers) | are organisms that can make their own food, they are also known as producers
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| Heterotrophs(consumers) | cannot make their own food so they must eat other organisms, they are known as consumers.
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| Homeostasis | is the attempt of the body or a cell to maintain a constant internal environment
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| feedback mechanism | is a response of an organism to a given change.
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| The function of the cell membrane | is to control what substances come into and out of the cell
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| cell wall | outside the cell membrane whose function is to shape and support the cell.
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| The nucleus of a cell | directs all of the cell's activities
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| DNA | is the genetic material of the cell and it is found in the nucleus.
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| Mitochondria | are organelles that produce most of the energy the cell needs to carry out its functions.
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| Endoplasmic reticulum (ER) | is an organelle that carries proteins and other materials from one part of the cell to another.
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| Ribosomes | are organelles that produce proteins inside of a cell.
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| Chloroplast | is an organelle found only in plant cells that captures energy from sunlight and uses it to produce food for the cell
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| Vacuole | is an organelle that is a storage area of the cell.
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| prokaryotes | Bacteria cells are called ______ because they do not have a nucleus.
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| Eukaryotes | are cells that contain a nucleus
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| heredity. | The process by which traits are passed on from parent to offspring
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| Asexual reproduction | is a reproductive process that involves only one parent and in this process the offspring is identical to the parent
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| photosynthesis | During ________ cells capture energy from sunlight and use to produce food
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| CO2 + H2O C6H12O6 + O2 | is the equation for photosynthesis
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| respiration, | During respiration, cells break down glucose to produce energy that is needed to function
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| adaptations | Many animal body structures are _____that help the animal to survive in its habitat.
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| invertebrate | is an animal without a backbone
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| vertebrate | is an animal with a backbone
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| ecosystem. | All of the living and nonliving things that interact in a particular area
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| biotic factors | The living parts of an ecosystem
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| abiotic factors. | nonliving parts of an ecosystem
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| habitat | things an organism needs to live, grow, and reproduce
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| population. | All the members of one species in a particular area
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| community. | All the different populations that live together in an area
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| limiting factor | environmental factor that prevents a population from increasing
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| Decomposers | obtain energy by breaking down waste and the remains of dead organisms.
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| Food chains | show the flow of energy from organism to organism. In general energy flows from producers to consumers to decomposers in an ecosystem
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| Food chains | show the flow of energy from organism to organism. In general energy flows from producers to consumers to decomposers in an ecosystem
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| primary consumer | is an organism that consumes producers
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| secondary consumer | is an organism that feeds on primary consumers
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| tertiary consumer | is an organism that feeds on secondary consumers
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Created by:
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