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1 2 3 4 ... 1947
Grade 6 :: Symbiosis by racmorris
Grade 4 :: Communities, Populations, and Ecosystems by DBenoit
What is the role of an organism within its environment?
  1. factor
  2. ecosystem
  3. accommodation
  4. niche
Grade 9 :: Biochemical Pathways by LBeth
Grade 6 :: Biotic and Abiotic by Stodola
What is an ecosystem?
  1. affecting a certain population
  2. all living and non-living things in a particular area
  3. an increase in the Earth's temperature
  4. organisms that make their own food
Grade 9 :: Human Reproduction by bfiles
When does conception or fertilization occur?
  1. a dominant gene overrides a recessive gene.
  2. sperm from a male unites with an egg from a female.
  3. an egg matures in a female's ovary.
  4. all 23 pairs of chromosomes are present.
Grade 5 :: Planetary Motion by emjay011
Grade 5 :: Sun by emjay011
The closest star to Earth is?
  1. Orion
  2. Sun
  3. constellation
  4. moon
Grade 5 :: Planetary Motion by emjay011
The moon casts a shadow on Earth during a(n)?
  1. lunar eclipse
  2. new moon
  3. phase
  4. solar eclipe
Grade 8 :: Biochemical Pathways by rebmidwife
What is the process where cells obtain energy from sugar molecules?
  1. biotic
  2. nitrogen cycle
  3. respiration
  4. food chains
Grade 5 :: Stars by emjay011
A group of stars in the sky form a
  1. light year
  2. galaxy
  3. constellation
Grade 5 :: Biochemical Pathways by jsnell
What does photosynthesis produce?
  1. oxygen and glucose
  2. water and sugar
  3. oxygen and proteins
Grade 5 :: Planetary Motion by emjay011
When the North Pole is tilted toward the Sun, it is?
  1. summer in the Northern Hemisphere
  2. winter in the Northern Hemisphere
  3. daytime in the Northern Hemisphere
Grade 4 :: Communities, Populations, and Ecosystems by somedude
Grade 7 :: Forces and Motion by polimino
Matter is pulled to the ground by
  1. space
  2. gravity
  3. air
  4. soil
Grade 8 :: Cell Structure and Function by Jackson_Dawg
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