Organisms
Define 'organism'?
A living thing.
Animals of the same kind that live in a group in order to meet their needs are called...
Social animals.
Define 'environment'?
All the living and nonliving things that surround an organism.
Define 'extinct'?
Having no living members. When a species is extinct, all members of that species have died.
Define 'fossil'?
The remaining pieces or trace of an organism that lived long ago.
An organism's environment is...
...all of the living and nonliving things that surround it.
Does every animal in a group do the same job?
No, different animals in a group do different jobs.
What happens to the animals living in an environment if the environment changes?
They might not be able to survive. They may have to move away and find a new home.
Define 'endangered'
In danger of going extinct. There are few members left alive when a species is endangered.
Name one type of fossil.
1. Trace fossil
2. Mold and cast fossil.
3. Whole body fossil.
A group of living things of the same kind is called a...
species.
Why do leopards live alone?
They can hunt prey better alone.
Name one example of a slow change to an environment?
Rock wearing away to form a canyon.
Invasive species.
Temperature change/climate change.
Resource removal/deforrestation.
By studying dinosaur fossils, scientists can figure out the...
behavior of dinosaurs.
Which part of an organism is most likely to become a fossil?
Tooth or bone (anything hard)
Why do animals have adaptations?
To survive and reproduce.
What is a behavior?
An action that an organism does.
When humans cut down trees in the rainforest, the amount of light that reaches the rainforest floor increases. How could this affect the rainforest?
Some plants will not be able to survive with more sunlight.
Why do you think that some kinds of organisms might become endangered or go extinct?
Some kinds of organisms become endangered or go extinct when their environment changes. If their environment changes and they cannot find a new one or meet their needs in the old one anymore, many organisms may start to die.
A scientist found a fish fossil on a mountaintop. How did it most likely get there?
An ocean environment changed into dry land over time.
What might happen to an oak tree’s environment if squirrels are no longer in it?
The squirrels will not plant the tree's acorns, so no new oak trees will be planted.
Think about how wolves find food. Why might it be easier for the wolves in the group to find food than for the one wolf?
Wolves in a group can help each other. They can hunt food faster and catch bigger animals. One wolf alone might not be strong enough.
What natural resource cannot be replaced in nature?
Metals OR oil
Name 3 theories for how dinosaurs went extinct.
1. A huge rock from space crashed into Earth.
2. A large volcano erupted.
3. The dinosaurs became poorly adapted to their environment
If scientists find many fossils of plant-eating dinosaurs in an area, what might they infer about that area?
That area was a plain/grassland in the past.