What ecosystem is a cold region where the ground beneath the surface is frozen all year? Some grasses grow, but trees cannot grow.
What is the driest ecosystem with a limited water supply? It has hot, dry weather and sandy soil.
What ecosystem has some that are tropical and some that have a mild, rainy climate?
What ecosystem is covered with grasses and receives a medium amount of rain?
What ecosystem has the ground covered with water for at least part of the year, and is made up of swamps and marshes?
What is an ecosystem?
What kind of scientist studies fossils?
What is a fossil?
What are all the members of one species that live within an area of an ecosystem called?
What does it mean to use what you need as efficiently as possible?
What is an example of an animal that lives in the tundra?
What is an example of an animal that lives in the desert?
What is an example of an animal that lives in the rainforest?
What is an example of an animal that lives in the grassland?
What is an example of an animal that lives in the wetlands?
When scientists find fossils of sea creatures on top of a landform, what does that tell you about the landform?
When scientists dig and find fossils, the most recent fossils are found on the _________ layer of Earth, while the oldest fossils are on the ___________ layers of Earth.
What preserves all the hard and soft parts of an animal?
What gives clues about a living thing's activities such as where it lived and what it ate?
Name an example of trace fossils.
What is petroleum, and why is it considered a nonrenewable resource?
What are trees, water, soil, minerals, and sunlight known as?
Name two fossil fuels.
What is a resource that can't be replaced when it runs out? Give three examples.
What is a resource that can be replaced and won't run out? Give three examples.
tundra
desert
rainforest
grassland
wetlands
All the living and nonliving things that interact in an environment.
paleontologist
remains or mark of an animal or plant that lived long ago
population
conservation
arctic fox or caribou
coyotes or lizards
spotted owl or banana slugs
grasshoppers, prairie chickens, or bison
insects, alligators, or frogs
The landform was once covered in water.
recent = top oldest=bottom
a fossil in amber
trace fossils
tracks in the mud (footprints), a nest, or an eggshell
Oil - It is used faster than it can be replaced.
natural resources
coal and oil
nonrenewable resource - oil, coal, natural gas, iron, or steel
renewable resource - solar energy, wind energy, water, or oxygen
