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WorksheetsEarth History/Ecology Review
Total questions: 16
Worksheet time: 16mins
Name
Class
Date
1.
A group of herbivores are separated from their population. (An herbivore is an organism that eats only plants). In the new environment, the only edible plant grows at the top of tall trees. What small structural change was passed on to offspring over many generations in order for these herbivores to survive?
a)
Striped fur
b)
A tendency to mate during summer
c)
The ability to swim
d)
A long neck
2.
All environments must include __________________ and ____________________ things.
a)
Blue and Green
b)
Living and Non-living
c)
Plants and Animals
d)
Water and Sand
3.
All living things_____________________ on other living things.
a)
Live
b)
Die
c)
Depend
d)
Color
4.
In a population of land snails in a forest, some snails have thicker shells than others. If the forest begins to receive less rainfall, snails with thicker shells will have an advantage: they can hold moisture inside their shells. Under dry conditions, these snails can retreat inside their moist shells and survive. Which of these adaptations best helps this species of land snails survive in dry conditions?
a)
a trait for producing water
b)
a trait for thicker shells
c)
variation in their body structure
d)
changes in their behavior
5.
Which statement best explains why some species survive and reproduce?
a)
They come in different colors
b)
Some organisms have traits that make them more likely to survive.
c)
Organism competes with other organisms to survive.
d)
Some survive, some do not.
6.
If deer and rabbits compete for the same food, what might happen if a disease reduced the rabbit population?
a)
The deer population would decrease.
b)
The deer population would increase.
c)
There would be fewer predators for the deer.
d)
Nothing would change.
7.
The diagram shows the changes that have occurred over time in the horse.
Which statement best explains how changes occurred leading from one species to the next?
Which statement best explains how changes occurred leading from one species to the next?
a)
Individuals of each species adapted to differences in environmental conditions
b)
Individuals of each species learned traits and passed them on to the offspring.
c)
Sudden environmental changes caused each species to develop in one generation
d)
Small structural changes in each species were passed on to offspring over many generations.
8.
What would be worse for this food web, the removal of the cougar or the plants?
a)
Cougar
b)
Plants
9.
What organisms would benefit the most by the decline of the mouse and rabbit population?
a)
Butterfly
b)
Various Plants
c)
Bird
d)
snake
10.
Which action is most likely responsible for the movement of tectonic plates?
a)
the rotation of Earth on its axis
b)
the gravitational force of the sun
c)
magnetic attraction from the core
d)
convection currents in the mantle
11.
Which best describes the advantage of changing fur color?
a)
helps rabbits attract a mate
b)
allows rabbits to build soft dens
c)
helps rabbits sneak up on prey
d)
allows rabbits to blend with the environment
12.
Which statement best describes the properties of Earth's mantle? The mantle has properties of solids, liquids, and
a)
lies between the core and the crust
b)
is metallic and solid
c)
lies at the center of the core
d)
is very dense
13.
The core is best described as
a)
a cold mass of metal
b)
a hot mass of metal
c)
less dense than the crust
d)
less dense than the mantle
14.
Which evidence best supports the idea that the landmasses on Earth were once in these positions
a)
Madagasgar and India have similar shapes
b)
Bedrock in Australia and Greenland has glacier scratches
c)
North America and India have matching mountain chains
d)
Matching rock layers can be found in Africa and South America
15.
Where are most volcanoes located?
a)
along the equator
b)
in the middle of the oceans
c)
on tectonic plate boundaries
d)
at the center of the continents
16.
What causes the plates on Earths crust to move?
a)
Elves and unicorns
b)
Earth's magnetic field
c)
Convection currents
d)
Mind power
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