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Eighth Grade (Grade 8) Biology Questions

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Grade 8 :: Cell Theory by clonekid
Controls the movement of materials into and out of the cell
  1. cell membrane
  2. nucleus
  3. cytoplasm
  4. mitochondria
Grade 8 :: Taxonomy by rojsept
Which of the following statements best defines the word species?
  1. a group of individual organisms that reproduce and are common
  2. a group of organisms that have common characteristics or traits
  3. a group of individual organisms that have common characteristics
  4. a group of organisms that have common traits and reproduce
Grade 8 :: Genetics by doliver701
Which of the following lists the correct order of events in DNA replication?
  1. Two DNA molecules wind up into a double helix with one new strand and one old strand; DNA polymerase makes two new DNA strands complementary to the old ones; enzymes unwind the DNA double helix.
  2. Enzymes unwind the DNA double helix; DNA polymerase makes two new DNA strands complementary to the old ones; the two DNA molecules wind up into a double helix with one new strand and one old strand.
  3. DNA polymerase makes the new DNA strands complementary to the old ones; enzymes unwind the DNA double helix; the two DNA molecules wind up into a double helix with one new strand and one old strand.
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 :: Biology by gab1babyb
A type of reproduction that requires two parents is called
  1. budding
  2. sexual reproduction
  3. simple division
  4. asexual reproduction
Grade 8 :: Taxonomy by LBeth
Which of the following is true for fungi?
  1. cannot locomote
  2. prokaryotic cells
  3. mostly unicellular
  4. contain chloroplast
Grade 8 :: Anatomical Organization by appier
Your lungs, heart, and esophagus would be located in your                 .
  1. abdominal cavity
  2. cranial cavity
  3. spinal cavity
  4. thoracic cavity
Grade 8 :: Human Reproduction by Robyn_Black
Sex organs develop rapidly during
  1. infancy
  2. childhood
  3. puberty
  4. adulthood
Grade 8 :: Microbiology by gab1babyb
Unicellular organisms contain many cells
  1. True
  2. False
Grade 8 :: Ecology by eacurr
A carnivore is an animal that only eats meat.
  1. True
  2. False
Grade 8 :: Ecology by sharrik
Which best describes the purpose of a food chain?
  1. shows what organisms eat which foods
  2. shows the importance of the sun's energy
  3. predator/prey relationships between organisms
  4. shows transfer of energy between trophic levels
Grade 8 :: Cell Theory by LBeth
Which of the following best describes the function of "C" in the plant cell shown below?
Animal Cell
  1. protein builders
  2. supports cell shape
  3. controls cell activities
  4. releases energy from food
Grade 8 :: Ecology by jsnell
The vast frozen plains located within the Arctic Cicle.
  1. tundra
  2. Boreal Forest
  3. timberline
  4. permafrost
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