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Grade 10 DNA, RNA, and Genetics
What kind of structure is the molecule shown in the diagram?
DNA
  1. multi-strand
  2. ladder
  3. double helix
  4. double vertex
Grade 4 Communities, Populations, and Ecosystems
What is the role of an organism within its environment?
  1. factor
  2. ecosystem
  3. accommodation
  4. niche
Grade 3 Communities, Populations, and Ecosystems
An organism is any
  1. nonliving thing.
  2. individual living thing.
  3. animal that eats fruit and meat.
  4. none of the above
Grade 4 Food Chains and Webs
The way food passes from one organism to another organism in a community is a
  1. prey.
  2. predator.
  3. producer.
  4. food chain.
Grade 3 Communities, Populations, and Ecosystems
Everything that surrounds and affects a living thing is called its
  1. home.
  2. community.
  3. ecosystem.
  4. environment.
Grade 9 Anatomical Organization
A group of tissues is a(n)                .
  1. cell
  2. organelle
  3. organ
  4. system
Grade 3 Adaptations and Behavior
Ducks fly south for the winter. This behavior is an example of
  1. mimicry.
  2. migration.
  3. hibernation.
  4. camouflage.
Grade 3 Biotic and Abiotic
What does biotic mean?
  1. living
  2. non-living
Grade 5 Food Chains and Webs
An example of a decomposer is
  1. bacteria.
  2. water.
  3. energy.
  4. niche.
Grade 3 Food Chains and Webs
Animals that eat other animals are called
  1. carnivores.
  2. omnivores.
  3. herbivores.
  4. prey.
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 10 Circulatory and Immune Systems
The circulatory system is composed of the                                .
  1. lungs, heart, and brain
  2. lungs, blood vessels, and heart
  3. heart, blood, and blood vessels
  4. heart, arteries, and veins
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 10 Conservation and Biodiversity
The variety of different species living in a habitat is                .
  1. woodland
  2. transection
  3. zonation
  4. biodiversity
Grade 4 Adaptations and Behavior
Bird Beak - BuzzardBird Beak - Curlew
Different types of bird beaks are an example of
  1. food webs.
  2. weathering.
  3. learned behaviors.
  4. physical adaptations.
Grade 11 Biogeochemical Cycles
The carbon reservoir most affected as a direct result of human activity is the                .
  1. deep ocean
  2. vegetation
  3. atmosphere
  4. photosynthesis
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