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EXTRA HELP:
Mornings
8:00-8:20 AM
*please inform me if you will be coming in*
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HOMEWORK:
1.) Finish Study Review (Due: Tuesday 6/10)
**LAST SCIENCE TEST OF THE YEAR~ FRIDAY, JUNE 13TH**
________________________________________________________
Organisms and Their Environment (B28)
The physical environment of an area includes all _____________ things in an area such as ____________,
____________, _____________, _____________, and ______________.
In what ways can a physical environment vary?
__________________________________________________________________________________________________________________
The __________________ largely determines what type of ecosystem will develop in an area.
The _________________, ________________, and ________________
of an environment determine the types of plants that grow there.
The kinds and numbers of plants in an ecosystem determine what ___________ will live there.
The ________________________, or any limited resource, in an ecosystem affects the size of a population.
What is population density? ____________________________________________________________________________________________
Living Things Need Energy (B34)
The __________ provides the energy for almost every ecosystem on Earth.
Why do all animals in a community depend on producers?
__________________________________________________________________________________________________________________
Base level of the food chain = _____________________
All other levels of the food chain = ___________________
1st Level consumers = _____________________
What do they eat? _____________________________________
2nd Level consumers = _____________________
What do they eat? _____________________________________
3rd Level consumers = _____________________
What do they eat? ______________________________________
Define:
Decomposers ________________________________________________________________________________________________________
Two examples of decomposers are ______________ and _____________.
What happens to the parts of dead organisms that decomposers don’t use?
__________________________________________________________________________________________________________________
Energy Pyramid (B38)
Define:
Energy Pyramid- _____________________________________________________________________________________________________
How much of the food energy that is taken in by an organism is used for its own life processes? __________
What percent of energy at any level of the food chain is passed on to the next higher level? ___________
Since less energy is available to organisms higher up the food chain, there are usually ____________ organisms at these levels.
Competition for Limited Resources(B42)
The 3 limited resources animals must compete for are ________________, ________________, and _________________.
Plants compete for ____________________ and __________________.
_______________ is a contest among organisms for the limited resources of an ecosystem.
Some animals can use patterns of body color or _________________ to sneak up on other animals or to hide from them.
Sharing Resources(B43)
In some communities animals live together and ____________ resources.
Give one example of this:
___________________________________________________________________________________________
Symbiosis(B45)
A long-term relationship between different kinds of organisms is called __________________. This relationship may benefit __________
organisms, or may only benefit one and not the other.
A relationship where both organisms benefit is called ________________.
Give one example of mutualism:
__________________________________________________________________________________________
Why do you think some organisms have a mutualistic relationship?
__________________________________________________________________________________________
Extinction is Forever (B51)
Steps to Extinction
1.Threatened _____________________________________________________________________________________________
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