Abiotic/Biotic
Temperature, sunlight, soil, water are all examples of abiotic or biotic factors?
abiotic
An endangered species only has numbers in the ________________ left on Earth.
hundreds
When the wolves returned to Yellowstone National Park, what happened to the Elk population?
It decreased (got smaller)
An _____________________ is something an organism has to help it to survive.
adaptation
____________________ is the return of an ecosystem.
Succession
Would organisms that are alive or have once been alive be called abiotic or biotic?
biotic
What is a big problem that can happen when an ecosystem is unbalanced?
species can go extinct
Name ONE reason fires can be good for a forest
They kill invasive species, insect overpopulations, and disease. They also open up areas for the sunlight to help other plants grow.
Camouflage, protective covering, and being poisonous are all ________________ adaptations.
physical
This type of succession starts with bare rock, and can take several thousand years for an ecosystem to return.
Primary
Living things are _________________ in a way that helps them to survive.
structured
Fires, droughts, floods, and climate changes, can make the ecosystem __________________
unbalanced
If rabbits and horses were close to extinction, why would rabbits have a better chance for their population to increase?
Rabbits have more offspring (babies)
Migration, hibernation, and playing tricks for protection, are all examples of _________________
adaptations
behavioral
This type of succession happens within a century (100 years), because there is still soil present.
Secondary
If a sunflower turns towards the sun we know it is alive because....
all living things respond to their environment
Pollution, poaching, and habitat destruction are all examples of how ________________ can make the ecosystem unbalanced.
humans
What has a better chance of survival, an animal that eats one thing, or an animal that eats more than one thing?
An animal that can eat more than one thing
What could happen if a species doesn't adapt to a changing situation?
It could die
The first plants that appear (like moss and lichens) are called the _________________ species.
Pioneer
Plants and animals are made up of many different types of _____________
cells
Why can it be bad to have an invasive species in an area?
They can take over, and the native species won't be able to survive
What does it mean for a species to be resilient to disease?
That species has a better chance of not getting the disease
Why do physical adaptations take longer than behavioral adaptations?
Behaviors are learned quickly, but it takes a long time for physical changes to happen.
A full ecosystem with established plants and lots of animals is called a ___________________ community.
Climax