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Are You Smarter Than a 7th Grader?
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Are You Smarter Than a 7th Grader?
1,000,000 Are You Smarter Than a 7th Grader? 500,000 300,000 Cells Scientists 175,000 100,000 Kinds of Cells Organization 50,000 Cell Function More Cell Function 25,000 10,000 Plant Life More Plant Life 5,000 2,000 Reproduction More on Reproduction 1,000
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Cell Question What are the three parts of the cell theory?
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Cell Answer All organisms are made of one or more cells.
The cell is the basic unit of all living things. All cells come from existing cells. Return
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Scientist Question Who concluded that all plant parts were made up of cells?
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Scientist Answer Matthias Schleiden Return
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Kinds of Cells Question
State two differences between single-celled and multi-cellular organisms
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Kinds of cells Answer Eukaryotes –multicellular organisms are usually larger than single-cell organisms. They have membrane-bound organelles. Ex: Plants & animals Prokaryotes are single-celled organisms that do not have a nucleus or membrane-bound organelles. Ex: Bacteria and archaea Return
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Organization Question
Name the 4 levels of organization of living things.
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Organization Answer 1. Cells: 2 Tissue: 3. Organ: 4. Organ system:
Can you describe each one? Return
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7th Grade Cell Function What is the process and function of cellular respiration?
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7th Grade Cell function Answer
The process by which cells use oxygen to produce energy from food. Food (glucose) is broken down into CO2 and H2O and energy is released Return
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7th Grade More Cell Function
Describe the function of fermentation
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7th Grade More Cell Function Answer
The process of getting energy without using oxygen. Return
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7th Grade Plant Life Where does photosynthesis take place? Be specific
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7th Grade Plant Life Answer
Photosynthesis takes place in the chloroplasts. Chloroplasts are found inside plant cells. They use energy captured by the chlorophyll to change carbon dioxide and water into food. Return
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7th Grade More Plant Life Question
Where do plants store food?
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7th Grade More Plant Life Answer
As the plant matures, the size of the fruit, nuts and seeds increase in size indicating food storage. Extra food is stored in the roots, leaves and seeds. Return
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7th Grade Reproduction Question
Explain the advantages and disadvantages of Asexual reproduction
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7th Grade Reproduction Answer
Advantages: Many offspring can be produced Disadvantages: There is no genetic variation. They all look the same Return
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7th Grade More on Reproduction Question
List some examples of organisms that reproduce asexually.
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7th Grade More on Reproduction Answer
Bacteria Certain plants and single celled organisms Amoeba and Paramecium Return
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7th Grade Unit 3 Question
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1,000,000 Question Why wouldn’t I experience an earthquake if I was flying over an affected area in a helicopter?
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1,000,000 Answer Seismic waves only transfer their energy to buildings and the ground by directly passing along vibrations. Return
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