ransom ch 2 life sci questions
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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| what are the six characteristics of living things? | living things have cells, sense and respond to change, reproduce, have DNA, use energy, grow and develop
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| what are some stimuli in your environment and how do you respond? | stimuli examples: use your senses to smell, taste, touch, hear and look at things!
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| what's the difference between growth and development | growth is an increase in size while development is the change in form.
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| what are the four necessities of life? | food, water, air and a place to live
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| give an example of a producer, consumer and decomposer. | producer: any plant; consumer: any animal; decomposer: fungi.
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| what factors affect where a plant or animal lives? Hint: think of a camel and polar bear | competition with other organisms for basic needs and the availability of food and water
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| the cells of all living organisms are approximately what percent of water? | 70%
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| carbohydrates are made up of_______ | sugars
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| when an organism needs energy, its cells break down ___________ to release energy | carbohydrates
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| starch is a type of carbohydrate that comes from __________ | plants
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| carbohydrates and ___________ store energy. | lipids
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| DNA is a ___________ acid | nucleic
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| what contains all the information needed for a cell to make all of its proteins? | DNA
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| what do carbhydrates, fats, and oils have in common? | they all store energy.
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| name two functions of lipids | storing energy and forming the cell membrane
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| when some worms are cut in half, each develops into a whole worm. this is an example of what? | asexual reproduction
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| cells do NOT use ________for energy storage. | nucleic acids
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