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WorksheetsUnit 2 Review: Animal and Ecosystem Interactions
Total questions: 11
Worksheet time: 6mins
A person observing animals on a hike records ways the animals interact in their environment. Which of these statements deals with animals interacting with living or nonliving parts of the environment? Choose three correct answers.
A frog sleeps.
A bird cleans its feathers.
A deer grazes on grass in an open field.
A snake suns itself on a rock.
An earthworm tunnels its way underground.
The structure of an organism helps it to survive successfully in its surroundings. Choose all statements that are correct.
wings of a cardinal
fins of a fish help with steering and swimming
shell of a box turtle provides protection
countershading helps with swimming
Which are human-caused changes that directly impact ecosystems and populations.
trash in oceans can cause small fish to be caught in plastic bottles
hurricanes that can erode shorelines
Invasive plants can take over the resources needed by the native species to survive
Read the statements and choose the ones that are inherited traits.
the stripes on a zebra
a girl that has blue eyes and blonde hair
a dog knowing how to sit on command
Which statements are true?
Trilobite fossils help tell scientists about the environment on Earth in the past.
Trilobites traveled in groups of four.
Trilobites ate insects twice a day.
Trilobite fossils tell us that, in the past, days on the Earth were longer.
Two organisms from different ecosystems are the penguin (living off the coast of Ecuador) and the ostrich (living on the savanna of Africa). Both are members of the class Aves but to us they are better known as birds. Although both are flightless birds, what adaptations can you observe that the penguin has that makes it very different from an ostrich? Select three correct answers.
blue eyes that help them see better
streamlined body for moving swiftly through water
wings shaped like flippers for swimming
sharp beak for spearing fish
dark color on top, light color on belly (countershading) for camouflage in the water
Animals have a combination of traits. Which traits are adaptations?
wings shaped like flippers in a penguin
sharp beak for spearing fish in a kingfisher bird
green eyes that help snakes see better
Natural changes and human-caused changes affect ecosystems in very different ways. Decide which of these are examples of natural changes to the environment.
The eruption of Mount Tambora in 1815 sent a huge ash cloud into the atmosphere causing severe climate change
Hurricane Katrina caused much ecological damage by changing the coastal marine chemistry and ruining habitats
The building of the Hetch-Hetchy dam in Yosemite caused flooding and destroyed habitats
Which term has to do with passing down genetic information from one generation to the next?
a genetically determined characteristic
structures that hold genetic material
the passing down of traits from parents to the offspring
Humans can have a major impact on ecosystems. What is one way that humans can negatively affect change in the world's oceans?
clean
overfish
Read each statement and choose all of the examples of natural selection.
The smaller beaks of some birds allow them to eat small seeds
A male peacock with an impressive tail has a better chance of finding a mate
Green lizards with larger toe pads and more scales were better able to survive
The western black rhino was overhunted for its horn
Bedbugs have adaptations that help the species survive
