Mrs. Hackers study stacks project
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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| cell | the smallest unit that can perform all the life processes; cells are covered by a membrane and have DNA and cytoplasm
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| stimulus | anything that causes a reaction or change in an organism or any part of an organism
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| homeostasis | the maintenance of a constant internal state in a changing environment
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| sexual reproduction | reproduction in which sex cells from two parents unite, producing offspring that share from both parents
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| asexual reproduction | reproduction that does not involve the union of sex cells and in which one parent produces offspring identical to itself
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| heredity | the passing of genetic traits from parent to parent
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| metabolism | the sum of all chemical processes that occur in an organism
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| producer | an organism that can make its own food by using energy from its surroundings
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| consumer | an organism that eats other organisms or organic matter
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| decomposer | an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients
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| protein | a molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate processes in the body
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| carbohydrates | a class of energy giving nutrients that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen
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| lipid | a type of biochemical that does not dissolve in water; fats and steroids are lipids
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| phospholipid | a lipid that contains phosphorus and that is a structural component in cell membranes
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| ATP | adenosine triphosphate, a molecule that acts as the main energy source for cell processes
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| nucleic acid | a molecule made up of subunits called nucleotides
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| sunlight can be a... | stimulus
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| living things are made up of what? | cells
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| What are the characteristics of living things? | Cells, sense and respond, living things reproduce, living things have DNA, living things have energy, and living things grow and develop
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| How do you respond to some stimuli in your environment? | when it is hot outside you start to sweat or when it is cold you start to shiver
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| What does a fur coat on a bear have to do with homeostasis? | the fur coat keeps it warm and it stabilizes the internal body
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| What are the four basic needs of every organism? | water, air, food, and a place to live
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| Cells of most living things are made of approximately? | 70% water
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| Most chemical reactions involved in metabolism require? | water
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| About how long can humans survive without water | three days
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| Air is a mixture of gases, including oxygen and? | carbon dioxide
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| What is a chemical process in which most living things use oxygen? | releasing energy from food
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| Green organisms convert the energy in sunlight stored in food during? | photosynthesis
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| How does the limited amount of space on Earth affect organisms? | each animal will compete for something
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| What are two things food gives organisms? | food fives energy and raw materials needed to carry on life processes
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| What are two ways organsims use nutrients from food? | orangisms use the nutrients to replace cells and build body parts
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| eats other living organims | compser
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| gets energy by breaking down nutrients in dead organisms or animal wastes | decompser
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| uses energy from the sun or the chemicals in the environment to make food | producer
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| What do all organisms do to food in order to use the nutrients in it? | need to break it down
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| Name the five chemical building blocks of cells | protein, carbohydrates, lipids, ATP, and nucleic acids
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| Energy-giving nutrients such as sugars, starches, and fiber are called? | carbohydrates
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| How do cells use carbohydrates? | they use them as a source of energy and for energy storage
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| Where can a organism get energy once it has used up most of its carbohydrates? | they use energy from fats and oils after the carbohydrates are used up
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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