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Eighth Grade (Grade 8) Biology Questions

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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 :: Ecology by jsnell
The vast frozen plains located within the Arctic Circle.
  1. tundra
  2. Boreal Forest
  3. timberline
  4. permafrost
Grade 8 :: Ecology by eacurr
Grade 8 :: Anatomical Organization by Tunisia
Grade 8 :: Cell Structure and Function by clonekid
System of tubes and canals used to transport materials throughout the cell
  1. vacuoles
  2. chloroplast
  3. endoplasmic reticulum
  4. nucleus
Grade 8 :: Cell Structure and Function by clonekid
Controls the movement of materials into and out of the cell
  1. cell membrane
  2. nucleus
  3. cytoplasm
  4. mitochondria
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 :: Circulatory and Immune Systems by LBeth
Grade 8 :: Evolution by gab1babyb
The theory that life could spring from nonliving matter is called:
  1. spontaneous generation
  2. asexual reproduction
  3. homeostasis
  4. stimulus/response
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 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 :: Human Reproduction by Robyn_Black
Sex organs develop rapidly during
  1. infancy
  2. childhood
  3. puberty
  4. adulthood
Grade 8 :: Nervous and Endocrine Systems by LBeth
Letter C on the diagram represents what part of the brain?
Brain Lobes Simple
  1. cranium
  2. cerebrum
  3. brain stem
  4. cerebellum
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