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Life Science Review (Grade 6)

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Life Science Review

1. 
Which best describes the image below?
Plant Cell
  1. organism
  2. plant cell
  3. animal cell
  4. organ system
2. 
Which is the way that animal cells break down food to get energy?
  1. replication
  2. respiration
  3. cell cycle
  4. photosynthesis
3. 
Which of the following best describes the function of "C" in the cell shown below?
Animal Cell
  1. protein builders
  2. supports cell shape
  3. controls cell activities
  4. releases energy from food
4. 
Plant cells have                 that use light and energy to make food.
  1. nucleus
  2. chloroplasts
  3. cell membranes
  4. cilia
5. 
In                 reproduction, the offspring receive genetic material from both parents.
  1. sexual
  2. asexual
  3. typical
  4. generic
6. 
Which letter from the flower diagram below represents where photosynthesis mainly occurs?
Flower Diagram
  1. C
  2. G
  3. F
  4. I
7. 
The image below best represents a                .
Respiratory System
  1. cell
  2. organ
  3. tissue
  4. system
8. 
A signal that can cause an organism to react is known as a                .
  1. stimulus
  2. life span
  3. response
  4. movement
9. 
Which characteristic of life does the diagram show?
Butterfly Lifecycle Without Text Labels
  1. homeostasis
  2. organization
  3. growth & development
  4. response to stimuli
10. 
The organism pictured below belongs to what kingdom?
Pictograph - Mushroom
  1. fungi
  2. plantae
  3. protista
  4. animalia
11. 
The scientific name for the European white water lily is Nymphaea alba. What is the genus to which this plant belongs?
  1. Nymphaea
  2. Alba
  3. Water lily
  4. Alba lily
12. 
The tundra biome would best be represented by which number from the map?
Biomes Without Text Labels
  1. 1
  2. 2
  3. 3
  4. 6
13. 
Which climate would most likely have the greatest variety of animals living in it?
  1. cold and dry
  2. warm and dry
  3. cold and moist
  4. warm and moist
14. 
The Buzzard has a short, hooked beak as shown below. Based upon the shape and size of the its beak, which type of food does the Buzzard most likely eat?
Bird Beak - Buzzard
  1. Insects living within tree bark
  2. Worms and crabs burrowed in mud
  3. The remains of small dead mammals
  4. Berries growing on bushes
15. 
Where does the bird with the foot shown below most likely live?
Bird Foot - Herring Gull
  1. open desert
  2. near water
  3. deep woods
  4. high mountains
16. 
Dolly the Sheep was one of the first examples of a mammalian clone. Dolly was made by taking the nucleus out of a body cell from an adult sheep and inserting it into an egg that had its nucleus removed. The egg cell was then stimulated to divide into an embryo. This embryo was then implanted into a third sheep, which gave birth to Dolly. Which sheep is Dolly a clone of?
  1. The adult sheep that the body cell came from
  2. The sheep that the egg cell came from
  3. The sheep that gave birth to Dolly
17. 
Some grasshoppers that eat certain plants develop yellow and black coloration because their environment influences their                .
  1. genotype
  2. phenotype
  3. chromosomes
  4. DNA
18. 
Young embryos of different vertebrates
  1. have acquired traits
  2. have no similarities
  3. have similarities
  4. are called homologous embryos
19. 
Which of the following is not likely to cause a species to become extinct?
  1. loss of habitat
  2. a new disease
  3. a new predator
  4. a new food source
20. 
Which of the following lists organisms from youngest to oldest?
  1. bacteria, fish, mammals
  2. bacteria, mammals, fish
  3. fish, bacteria, mammals
  4. mammals, fish, bacteria
21. 
The longer a group remains isolated from the rest of the species:
  1. has no bearing on whether it will evolve into a new species
  2. the less likely it is to evolve into a new species
  3. the more likely it is to evolve into a new species
  4. both a and c
22. 
Which type of consumer is the organism shown in the picture?
Pictograph - Eagle
  1. carnivore
  2. herbivore
  3. detritivore
  4. scavenger
23. 
Some beetles break down the remains of dead animals. Some mushrooms breakdown the remains of dead trees. How do these actions most benefit plants?
  1. By returning nutrients to the soil
  2. By releasing oxygen into the air
  3. By making space for new animals
  4. By decreasing the population of herbivores
24. 
Place the following categories in order from smallest to largest.
  1. biosphere, ecosystem, community, population, organism
  2. organism, population, community, ecosystem, biosphere
  3. biosphere, population, ecosystem, community, organism
  4. organism, community, ecosystem, population, biosphere
25. 
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

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