TEXTBOOK TODAY!
Biology October 27, 2014
Copy and answer the following EQ into your spiral
notebook.
EQ: How does change in an
ecosystem affect the entire
ecosystem?
ALL organisms in an ecosystem share some kind
of relationship with other organisms. A change
for one would mean a change for everyone.
Word of the Day
Relationship
The relationship between
organisms in an ecosystem
describes the effects one
organism has on another.
Biological Relationships Vocabulary
Foldable
• You will need to have open to the next page in
your journal that is blank on both sides.
• Fold your page half way to the red line Veggiedog style. Label the top: Biological
Relationships
• Divide the page into 12 sections.
• Define the terms and provide at least 1
example or drawing to solidify the concept.
Biological Relationships Vocabulary
1.
2.
3.
4.
5.
6.
biotic factor
abiotic factor
resource
survival
habitat
niche
7. keystone species
8. symbiosis
9. predation
10.mutualism
11.commensalism
12.parasitism
Keystone Species
• A keystone species is a species on which the
persistence of a large number of other species
in the ecosystem depends.
Gopher Tortoise (Gopherus polyphemus)
biotic factor
abiotic factor
resource
survival
habitat
niche
keystone species
symbiosis
predation
mutualism
commensalism
parasitism
Write-It-Up
• When you have finished defining the terms.
Use colored pencils to link the terms as
shown on the white board.
• On the back of the definition page or on the
adjacent page, write 2-3 paragraphs using ALL
of the words pointing out how they are
related to one another.