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Fifth Grade (Grade 5) Biology Questions

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Grade 5 Communities, Populations, and Ecosystems
The complex interactions of different organisms with one another and with their environment is a(n)                .
  1. biome.
  2. community.
  3. ecosystem.
  4. population.
Grade 5 Communities, Populations, and Ecosystems
A population can survive within an ecosystem if the                                                   .
  1. habitat is large enough to provide shelter.
  2. group can migrate each season.
  3. niche is completely unoccupied by another species.
  4. basic needs can be met.
Grade 5 Communities, Populations, and Ecosystems
When does an ecosystem in its best ability to support a variety of organisms?
  1. organisms share food and habitats equally.
  2. competition for food is controlled by humans.
  3. the physical-space needs of organisms are met.
  4. organisms use the parts of the ecosystem differently.
Grade 5 Food Chains and Webs
An example of a decomposer is
  1. bacteria.
  2. water.
  3. energy.
  4. niche.
Grade 5 Food Chains and Webs
Which list shows a possible order in which energy moves through an ecosystem?
  1. herbivore, carnivore, Sun, producer, decomposer
  2. Sun, producer, herbivore, carnivore, decomposer
  3. Sun, producer, predator, consumer, decomposer
  4. producer, Sun, carnivore, herbivore, decomposer
Grade 5 Cell Structure and Function
What two parts of the cell are different between an animal cell and a plant cell?
  1. cell wall and nucleus
  2. nucleus and cell membrane
  3. cell wall and chloroplast
  4. mitochondrion and chloroplast
Grade 5 Food Chains and Webs
The algae at the beginning of the food chain are
  1. consumers.
  2. decomposers.
  3. producers.
  4. heterotrophs.
Grade 5 Food Chains and Webs
In an ecosystem, how are food webs and food chains different?
  1. Food webs begin with animals, and food chains begin with plants.
  2. Food webs rarely begin with plants, and food chains begin with animals.
  3. Food webs show the relationship between many different food chains in a single ecosystem.
  4. Food chains show the relationship between many different food webs in a single ecosystem.
Grade 5 Food Chains and Webs
Animals that hunt other animals to eat are
  1. prey.
  2. omnivores.
  3. predators.
  4. herbivores.
Grade 5 Cell Structure and Function
What cell part produces food in the plant cell?
  1. cell wall
  2. nucleus
  3. chloroplast
  4. cell membrane
Grade 5 Food Chains and Webs
In the diagram below, which is a decomposer?
Food Web
  1. bird
  2. snake
  3. grass
  4. mushroom
Grade 5 Biochemical Pathways
What does photosynthesis produce?
  1. oxygen and glucose
  2. water and sugar
  3. oxygen and proteins
Grade 5 Food Chains and Webs
What is the original source of almost all the energy in most ecosystems?
  1. carbohydrates
  2. sunlight
  3. water
  4. carbon dioxide
Grade 5 Food Chains and Webs
The niche of a producer is to
  1. eat other consumers.
  2. provide food for carnivores.
  3. make carbon dioxide-oxygen.
  4. provide food for themselves and other organisms.
Grade 5 Skin, Skeleton, and Muscles
Bones, ligaments, and cartilage form the                 system.
  1. skeletal
  2. muscular
  3. respiratory
  4. circulatory
Grade 5 Circulatory and Immune Systems
What body system moves blood through the body and includes the heart, blood, and blood vessels?
  1. circulatory
  2. respiratory
  3. digestive
  4. excretory
Grade 5 Communities, Populations, and Ecosystems
Which description is true about the organization of an ecosystem?
  1. Communities make up species, which make up populations.
  2. Populations make up species, which make up communities.
  3. Species make up communities, which make up populations.
  4. Species make up populations, which make up communities.
Grade 5 Respiration, Digestion, and Excretion
What is the system responsible for taking in oxygen and removing carbon dioxide from the body?
  1. circulatory
  2. respiratory
  3. excretory
  4. digestive
Grade 5 Cell Structure and Function
Which cell structure stores food, nutrients, and waste?
  1. vacuole
  2. cell membrane
  3. vacuum
  4. cell body
Grade 5 Adaptations and Behavior
Both animals and plants have adaptations.
  1. True
  2. False
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