Download Study/Review Worksheet for Ecosystems Quiz

Name: _____________________________________ Date: ______________________________
Study/Review Worksheet for Ecosystems Quiz:
A1: Give examples of the 3 main types of tropisms:
A1: Define Tropism:
A plant’s ___________________________ to a _______________________ or a change in its
environment.
A2: I can explain the difference between a positive and negative tropism:
Positive: ________________________________________________________________
Negative: ________________________________________________________________
A2. Why are tropisms important to plants?
______________________________________________________________________________
______________________________________________________________________________
A3. I can define dormancy and why it is important for plants:
Dormancy: The period of ____________________________________ between seed
________________________ and _____________________________ germination. It is
important because it make sure the seeds do not ________________________________ until
conditions are _________________________________ for the plant’s survival.
A4: I can define and give examples of biotic and abiotic factors:
A BIOTIC FACTOR is something that is ______________ or was once ______________________.
Examples are ____________________, humus, bacteria and ____________.
An ABIOTIC FACTOR is something that is not _____________. Examples are ________________,
temperature, ____________________, precipitation, rocks and __________________.
A5: I can give examples of limiting factors:
A limiting factor can control the _____________ of a ______________________. (the number
of the same organism in a particular area)
Limiting Factors for plants are ______________, water, _______________________, and space.
Limiting factors for animals are _________________, water, ____________________
__________ and temperature.
B9: I can define and give examples of producers, consumers and decomposers:
Producers _____________ their own food through _________________________. Examples
are blue-green bacteria, algae, some ________________, and __________________. They are
also called ____________________________________.
Consumers ____________________ their own food. Examples are carnivores,
___________________, and omnivore. They are also called __________________________.
Decomposers get their food from ___________________________________. Examples are
bacteria, ______________________, and earthworms. They are also called saprotrophs. They
are the recyclers in the ecosystem.
B10: I can explain the importance of producers and decomposers:
A producer is important because they make the _______________ which supports all
____________ ________.
Decomposers are important because they break down ____________ organisms and return the
_________________ to the __________________.
B11: I can define and give examples of herbivores, omnivores & carnivores:
Herbivores eat __________________. Ex. Rabbits, _________________, grasshopper They are
also called ___________________________ consumers.
Carnivores eat ___________________. Ex. Lions, __________ , snakes. They are also called
__________________________consumers.
Omnivores eat ____________ and __________________. Ex. Raccoons, humans, and
___________________.