A lichen is a combination of fungus and algae that lives on the sides of trees, rocks, and other materials. The fungus provides the algae with water and minerals and the algae uses the water and minerals to make food for both organisms. What type of relationship does the lichen represent?
what is mutualism
True or False?
a population contains one abiotic organism ?
false
tell correct answer
What is the name for any living thing
organism

Which curve represents long life, species who take care of their young, and reproduce slower
what is Late loss or type 1
what is the equation for population density
# of individuals/space
Which of the following in NOT an example of a symbiotic relationship?A.
A mother bear caring for her cub
B. Worm living in a cow's intestine
C. A bacterial infection
c. bacterial infection
Sea anemones contain a venom that is used to sting and paralyze their prey. The clownfish contains an enzyme in their scales that makes them immune to the venom. This allows them to freely live in the sea anemone without being harmed. This is an example of what type of relationship?
commensalism
Species that do not have to have a mate in order to reproduce are known as ?
Asexual species
a mushroom is a decomposer it is abiotic or biotic ?
biotic
what is a niche?
an organisms role in an ecosystem
When a symbiotic relationship benefits both organisms, it is an example of:
mutualism
List the following ecological Levels in order
ecosystem
community
organism
population
o
p
c
e
Give an example of a r-selection species and why do they fit in that category
answers vary
what type of chart is represented in this picture ?
see pic
exponential graph
Most animals like birds, lizards, rodents are in the type 2 survivorship which is constant loss.. what are some characteristics of constant loss ?
answers vary
How does a crocodile benefit from a bird eating from its mouth?
bird gets food and croc gets mouth cleaned
What does it mean when a certain environment has reached its carrying capacity ?
there are not enough resources to sustain the amount of people there
What does it mean when animals are in uniform population ?
a. all clotted together
b.they are evenly spaced out
c. randomly spread all over
A graph showing carrying capacity shows you this by one main thing..
"think about the "cap" "
dotted line
name 5 limiting factors that can influence/change an ecosystem?
answers vary
When a symbiotic relationship helps one organism and hurts the other it is an example of:
parasitism
True or false?
a community is made up of abiotic and biotic organisms ?
true
what makes up a successful ecosystem ?
abiotic and biotic factors
give examples
on an exponential graph, or logistic graph, there are two variables that have to be included in order to correctly read the graph. what are those two variables?
what is the mark and recapture method ? MRM
( have to tell why it is used and how it is used )
a method used to see population density
(tell how it is done to get full credit )