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20 questions
Which of the following is an organism?
a herd of sheep
a wolf
a drop of water
a heart
Based on the graph, which of the following statements is accurate?
Prior to 33 days, the population of medium aliens was decreasing
After 33 days, the population of medium aliens was decreasing
After 33 days, none of the aliens changed form
After 33 days, the total number of aliens in each state was unchanged
Based on the graph, if you chose an alien at random on day 20, what form would it most likely be in?
thin
medium
thick
all three are possible
The United States Arctic National Wildlife Refuge is a large portion of Alaska that is protected from construction, which would affect the land and resources that are available to living things. Which term is used to describe all the species that live in the Arctic National Wildlife Refuge?
population
community
ecosystem
species
Which list of items would an ecological scientist most likely include when describing a forest community?
deer, water, tree
deer, wolf, tree
deer, wolf, rock
tree, water, soil
Which term is used to describe a group of arctic foxes that live in part of Alaska’s Arctic National Wildlife Refuge?
ecosystem
community
population
biome
Which of the following would correctly describe one female arctic fox?
biome
species
ecosystem
organism
Which describes a group of organisms that is considered a species?
They can breed and produce offspring that can breed.
They are members of the same community.
They live in the same ecosystem, community, and biome.
They have similar physical characteristics
The group of polar bears that live along the eastern coast of Russia makes up:
an organism
a community
an ecosystem
a population
When a scientist is conducting research about all the plants and wildlife in the Mojave Desert as well as the desert’s resources, such as water and soil, the scientist is studying
a community
a population
a species
an ecosystem
What do the polar bears, reindeer, and shrubs that live in a single area make up?
organism
population
community
ecosystem
A coral reef is an underwater structure that is home to many sea animals that use the water as a resource. Some animals are called stony corals because they have hard bodies that resemble rocks; these provide protection to other animals that live on the reef. Which is the largest organizational level found in one coral reef?
organism
population
ecosystem
biome
Earth's biosphere is:
every biome that has living things
every community that is above water
every biome that has living plants
every community that has sunlight
Which shows the levels of organizational hierarchy listed from least complex to most complex?
organism, species, community
species, ecosystem, community
population, community, species
organism, community, population
A single population is made of:
multiple organisms
multiple species
multiples communities
multiple biomes
When describing a community, a biologist would discuss every
population that lives together in an area
biome that exists in the biosphere
every organism that can produce offspring together
every ecosystem that is part of a biome
These penguins are all members of the species Aptenodytes patagonicus. What is the difference between a species and a population?
A species includes only one type of organism, while a population includes many types of different organisms.
A species includes only organisms that can reproduce together, while a population includes groups of organisms that cannot all reproduce together.
Organisms of the same species must live in similar climates, while organisms of the same population can live in different ecosystems with different climates.
Organisms of the same species can live in different areas, while organisms of the same population live in only one area.
The Caribbean monk seal was declared extinct in 2008. Although there are other types of seals on Earth, Caribbean monk seals could only breed with other Caribbean monk seals. The last Caribbean monk seal that died was the last member of:
a species
a community
a biome
an ecosystem
Which best matches a list that a scientist would make to describe a forest ecosystem?
different types of animals and plants, and the forest soil
an animal species, the soil, water, and nutrients
all the living things in the forest ecosystem
different types of soil, rocks, and water sources in the forest
Which of the following lists the levels of organizational hierarchy from most complex to least complex?
population, organism, ecosystem
biosphere, community, organism
biome, population, biosphere
population, ecosystem, community
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