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Eighth Grade (Grade 8) Biology Questions

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Grade 8 :: Biochemistry by rebmidwife
The process where cells obtain energy from sugar molecules is called:
  1. biotic
  2. nitrogen cycle
  3. respiration
  4. food chains
Grade 8 :: Evolution by sharrik
Different kinds of plants living in the same area must compete for water. Which plant represents "survival of the fittest"?
  1. the plant with the largest leaves
  2. a plant with a compact root system
  3. the plant with the largest root system
  4. a plant with needles instead of leaves
Grade 8 :: Cell Structure and Function by Gr8Life
Grade 8 :: Human Reproduction by Robyn_Black
The release of an egg from an ovary is known as:
  1. ovulation
  2. fertalization
  3. menstruation
  4. afterbirth
Grade 8 :: Cell Structure and Function by clonekid
Serves as the cell's control center
  1. cytoplasm
  2. cell membrane
  3. mitochondria
  4. nucleus
Grade 8 :: Evolution by sharrik
Grade 8 :: Ecology by jsnell
The vast frozen plains located within the Arctic Circle.
  1. tundra
  2. Boreal Forest
  3. timberline
  4. permafrost
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