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Fifth Grade (Grade 5) Biology Questions

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Grade 5 Food Chains and Webs
“Nature’s recyclers” are
  1. decomposers.
  2. consumers.
  3. producers.
  4. predators.
Grade 5 DNA, RNA, and Genetics
An inherited part of genetic matter that determines a trait is a
  1. follicle.
  2. node.
  3. gene.
  4. cell.
Grade 5 Food Chains and Webs
What is the relationship between the Sun, plants, and animals in a food web?
  1. The Sun provides energy for both plants and animals in a food web.
  2. The Sun provides energy for plants to make their own food, and animals eat plants or other animals.
Grade 5 Adaptations and Behavior
Which adaptation best helps elk survive in the taiga biome?
  1. thick fur
  2. large antlers
  3. change of color
  4. winter hibernation
Grade 5 DNA, RNA, and Genetics
When closely related living things are bred together, it is
  1. hybridizing.
  2. adaptation.
  3. diversity.
  4. crossbreeding.
Grade 5 Cell Structure and Function

This question is a part of a group with common instructions. View group »

The basic living unit of all plants and animals is the
  1. cell.
  2. chemical.
  3. organ.
  4. tissue.
Grade 5 Cell Structure and Function
The main function of the plant vacuole is to
  1. control cell activity.
  2. produce energy.
  3. hold food, water, and waste.
  4. serve as a food factory.
Grade 5 Circulatory and Immune Systems
Which body system pumps blood throughout your body?
  1. skeletal
  2. urinary
  3. respiratory
  4. circulatory
Grade 5 Adaptations and Behavior
A buffalo has developed the                        of not running away from snowmobiles. This is a behavior that is learned through practice.
  1. habit
  2. ability
  3. adaptation
  4. operational definition
Grade 5 Zoology
A bird's bones
  1. are made of cartilage.
  2. weigh very little for their size.
  3. weigh a lot for their size.
  4. are surprisingly thick.
Grade 5 Circulatory and Immune Systems
The job of the circulatory system is to
  1. break down food so it can be used by the body.
  2. distribute blood and lymph through the body.
  3. give the body shape and support.
Grade 5 Cell Structure and Function
What process produces sex cells?
  1. splitting
  2. mitosis
  3. meiosis
Grade 5 Zoology
Animals having a constant body temperature are
  1. cold-blooded.
  2. omnivores.
  3. warm-blooded.
  4. prey.
Grade 5 Biogeochemical Cycles
What is the greenhouse effect?
  1. Gases are trapped in Earth's atmosphere and cool the planet.
  2. Gases are trapped in Earth's atmosphere and warm the planet.
  3. The Sun is heating up Earth's surface.
  4. The moon is cooling Earth's surface.
Grade 5 Microbiology
A microorganism is
  1. a single-celled organism that feeds on dead organisms.
  2. a one-celled organisms with no nucleus.
  3. a tiny plant or animal that floats on the surface of the ocean.
  4. a living thing that can be seen only with a microscope.
Grade 5 DNA, RNA, and Genetics
A trait that appears only if an organism has two factors for the trait.
  1. dominant trait
  2. inherited trait
  3. recessive trait
  4. gene
Grade 5 Nervous and Endocrine Systems
Which body system sends electrical signals to the rest of the body?
  1. skeletal
  2. cardiovascular
  3. muscular
  4. nervous
Grade 5 Adaptations and Behavior
An adaptation can include any special characteristic or skill that helps a living thing survive in its environment.
  1. True
  2. False
Grade 5 Adaptations and Behavior
Nurse sharks are nocturnal. This means they hunt at night and sleep in the day. What kind of adaptation is this?
  1. behavioral
  2. physical
  3. life-cycle
  4. predatory
Grade 5 Skin, Skeleton, and Muscles
Which body system mostly provides protection for the body and its organs?
  1. muscular
  2. cardiovascular
  3. respiratory
  4. skeletal
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