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Are You Smarter Than a 5 th Grader? Looking at Cells and Genetics. 1,000,000. 500,000. 300,000. 5th Grade Topic 1. 5th Grade Topic 2. Are You Smarter Than a 5 th Grader?. 175,000. 100,000. 4th Grade Topic 3. 4th Grade Topic 4. 50,000. 3rd Grade Topic 5. 3rd Grade Topic 6. 25,000.
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Are You Smarter Than a 5th Grader?Looking at Cells and Genetics
1,000,000 500,000 300,000 5th Grade Topic 1 5th Grade Topic 2 Are You Smarter Than a 5th Grader? 175,000 100,000 4th Grade Topic 3 4th Grade Topic 4 50,000 3rd Grade Topic 5 3rd Grade Topic 6 25,000 10,000 2nd Grade Topic 7 2nd Grade Topic 8 5,000 2,000 1st Grade Topic 9 1st Grade Topic 10 1,000
Both plant and animal cells have • A. a cell membrane, a cell wall, and a nucleus. • B. cytoplasm, vacuoles, and chloroplasts. • C. a cell membrane, a nucleus, and cytoplasm. • D. cytoplasm, chloroplasts, and a cell membrane.
Both plant and animal cells have • C. a cell membrane, a nucleus, and cytoplasm. Return
One benefit of bacteria is that they can be used to • A. strengthen some wood products. • B. produce plastic from petroleum. • C. produce certain kinds of foods. • D. keep our clothes from wearing out.
One benefit of bacteria is that they can be used to • A. strengthen some wood products. • B. produce plastic from petroleum. • C. produce certain kinds of foods. • D. keep our clothes from wearing out. Return
Racedogs would MOST LIKELY be crossbred for which characteristic? • A. long hair • B. highly developed sense of smell • C. companionship • D. speed
Racedogs would MOST LIKELY be crossbred for which characteristic? • A. long hair • B. highly developed sense of smell • C. companionship • D. speed Return
Both plant and animal cells have • A. a cell membrane, a cell wall, and a nucleus. • B. cytoplasm, vacuoles, and chloroplasts. • C. a cell membrane, a nucleus, and cytoplasm. • D. cytoplasm, chloroplasts, and a cell membrane.
Both plant and animal cells have • A. a cell membrane, a cell wall, and a nucleus. • B. cytoplasm, vacuoles, and chloroplasts. • C. a cell membrane, a nucleus, and cytoplasm. • D. cytoplasm, chloroplasts, and a cell membrane. Return
A reason scientists crossbreed dairy cattle is to produce cows that • A. give more milk. • B. have fewer calves. • C. eat corn instead of hay. • D. drink more water.
A reason scientists crossbreed dairy cattle is to produce cows that • A. give more milk. Return
A. B. C. D. • Which cell is a plant cell?
A. • Which cell is a plant cell?
Why is a microscope needed to view cells? • A. to separate cells from each other • B. to make cells look bigger than they are • C. to make cells look smaller than they are • D. to hold the cells still so they can be seen
Why is a microscope needed to view cells? • B. to make cells look bigger than they are Return
If a peach is used as a model of a cell. Which of these is the cell wall? • A. the peach pit • B. the peach skin • C. the peach stem • D. the peach juice
If a peach is used as a model of a cell. Which of these is the cell wall? • B. the peach skin Return
Plants growing from maple seeds always become maple trees. Why is this true? • A. Maple trees are easy to grow from seeds. • B. The "pattern" for what seeds can become is determined by the parent plant. • C. Maple seeds always fall where it is best for growing maple trees. • D. The maple seeds that could become other kinds of plants are never healthy.
Plants growing from maple seeds always become maple trees. Why is this true? • B. The "pattern" for what seeds can become is determined by the parent plant. Return
In biology class, Felip was looking at plant and animal cells through a microscope. • How could he tell which cell is a plant cell and which cell is an animal cell? • A. Organelles are only in plant cells. • B. Nuclei are only in animal cells. • C. Mitochondria are only in animal cells. • D. Cell walls are only in plant cells.
In biology class, Felip was looking at plant and animal cells through a microscope. • How could he tell which cell is a plant cell and which cell is an animal cell? • D. Cell walls are only in plant cells. Return
1,000,000 Question • A ________________ is a change in DNA during replication. • A. nucleotide • B. hybrid • C. mutation • D. trait
1,000,000 Answer • A ________________ is a change in DNA during replication. • C. mutation Return