Biology
What is a shark's skeleton made of?
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What type of plants has tube-like cells that help move water through the plant?
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Which of these seeds most likely would be carried around in the fur of an animal?
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What is the fin on the backs of fish, some whales and dolphins called?
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What is the longest bone in the human body?
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What takes up 50-70 percent of a whale's weight?
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What is made by white blood cells to help fight off infection?
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What is group of cells that work together and form an organ called?
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About how long is the human small intestine?
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Coffee and manioc are best grown in which climatic zone?
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How many joints does an ant have in each leg?
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In which fluid-filled cavity do organs develop in organisms such as earthworms?
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What type of plant is a carrot?
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What are the young leaves of a plant embryo called?
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What openings in a leaf allow gas exchange?
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Which of these is not one of the four lobes in the hemispheres of the brain?
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Which of these scientists along with James Watson helped discover the DNA molecule?
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Approximately how far can a lion's roar be heard?
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During which of the following biological phases does "crossing over" take place?
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Which part of a moss absorbs water and nutrients from the soil?
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