Leave it to me
Scientists learn about dinosaurs by studying
Fossils
How deep a fossil is buried gives scientists clues about its
age
A __________ fossil is when an animal leaves a footprint in mud which hardens over time.
age
The remains of an actual organism kept safe over time is called .
preserved remain
When there are not many of one kind of animal left, the animal is called .
endangered
All endangered organisms will become extinct.
True
What would happen to a plant from a pond habitat if it was placed in a desert habitat?
The plant would die because there would not be enough water for it to survive
Bees can change the environment by carrying ___________between flowers.
pollen
What do animals depend on plants for?
A) Food
B) Shelter
C) Air
How do bacteria and worms make changes to their ecosystems?
They break down leaves and dead animals.
An animal is endangered when ______________.
it can no longer find food or live in its environment
What does a park ranger worker do?
Works in a state or national park and gives information to visitors.
What does an archaeologist do?
Studies human history by uncovering fossils and learning about them.
A group of living organisms consisting of similar individuals
Species
To spread very quickly in often a harmful way
Invasive
The death of all of one type of living thing
Extinction
The trace or remains of living things that died long ago
fossils
How could a wildfire affect the environment of a squirrel?
The fire could destroy the habitat of the squirrel as well as its food source
What reasons may an animal become extinct?
Loss of habitat
Pollution
Hunting
What is a way that humans could change the environment in a garden?
They can plant seedlings in the garden.
They can walk on the garden path.
They can remove trees from the garden.