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Life Science Review (Grade 6)

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Life Science Review

Plant Cell
Which best describes the image?
  1. organism
  2. plant cell
  3. animal cell
  4. organ system
In what process do animal cells break down food to get energy?
  1. replication
  2. respiration
  3. cell cycle
  4. photosynthesis
What is the function of the part represented by C in the cell shown?
Animal Cell
  1. builds proteins
  2. supports cell shape
  3. controls cell activities
  4. releases energy from food
Plant cells have                 that use light energy to make food.
  1. nuclei
  2. chloroplasts
  3. cell membranes
  4. cilia
In                 reproduction, the offspring receive genetic material from two parents.
  1. sexual
  2. asexual
  3. typical
  4. generic
Which letter from the flower diagram below represents where photosynthesis mainly occurs?
Flower Diagram
  1. C
  2. G
  3. F
  4. I
Respiratory System
The image best represents a(n)
  1. cell.
  2. organ.
  3. tissue.
  4. system.
A signal that can cause an organism to react is a
  1. stimulus.
  2. life span.
  3. response.
  4. movement.
Which characteristic of life does the diagram show?
Butterfly Lifecycle Without Text Labels
  1. homeostasis
  2. organization
  3. growth and development
  4. response to stimuli
Pictograph - Mushroom
To what kingdom does the organism pictured belong?
  1. Fungi
  2. Plantae
  3. Protista
  4. Animalia
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
Biomes Without Text Labels
The tundra biome is best represented by which number on the map?
  1. 1
  2. 2
  3. 3
  4. 6
Which climate most likely has the greatest variety of animals living in it?
  1. cold and dry
  2. warm and dry
  3. cold and moist
  4. warm and moist
The buzzard has a short, hooked beak. Based on the shape and size of 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. remains of small mammals
  4. berries growing on bushes
Where does the bird with this foot most likely live?
Bird Foot - Herring Gull
  1. open desert
  2. near water
  3. deep woods
  4. high mountains
Dolly the Sheep was one of the first examples of a mammalian clone. Dolly was made by taking the nucleus from a body cell of 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
Some grasshoppers that eat certain plants develop yellow and black coloration because their environment influences their
  1. genotype.
  2. phenotype.
  3. chromosomes.
  4. DNA.
Early embryos of different vertebrates
  1. have acquired traits.
  2. have no similarities.
  3. have similarities.
  4. are called homologous embryos.
Which factor is not likely to cause a species to become extinct?
  1. loss of habitat
  2. new disease
  3. new predator
  4. new food source
Which list is of organisms from the latest to evolve to the earliest to evolve?
  1. bacteria, fish, mammals
  2. bacteria, mammals, fish
  3. fish, bacteria, mammals
  4. mammals, fish, bacteria
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
Which type of consumer is the organism shown in the picture?
Pictograph - Eagle
  1. carnivore
  2. herbivore
  3. detritivore
  4. scavenger
Some beetles break down the remains of dead animals. Some mushrooms break down the remains of dead trees. These actions most benefit plants by what?
  1. returning nutrients to the soil.
  2. releasing oxygen into the air.
  3. making space for new animals.
  4. decreasing the population of herbivores.
Place the 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
What is the purpose of a food chain?
  1. shows what organisms eat which foods
  2. shows the importance of the Sun's energy
  3. depicts the predator/prey relationships between organisms
  4. shows the transfer of energy between trophic levels

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