Symbiotic Relationships
Food Webs
Ecological Succession
This and That
Vocabulary
100
Lion and Zebra: The lion hunts and kills the zebra for its food.
Predation
100
This organism makes it food with energy from the sun
Producer
100
When an area of land is repopulated by a group after a disturbance
Secondary Succession
100
Ecological succession happens over a ___________ period of time.
long
100
What is a limiting factor?
Environmental factors that limit the growth of a population
200
Tapeworm and Dog: the tapeworm feeds off the dog's nutrients
Parasitism
200
The mouse would be considered what type of consumer?
Secondary Consumer
200
When an area or bare rock is populated by a group of species for the first time
Primary Succession
200
What is the carrying capacity of this population? 
About 2,000
200
What is a close, long-term relationship between two organisms called?
Symbiosis
300
Orchids and Trees: Orchids grow on the trunks or branches of the trees. They receive the light they need and nutrients that run down along the trees. The orchids do not affect the trees.
Commensalism
300
Which organisms would be considered primary consumers?
Grasshopper
Rabbit
Bees
Deer
300
An ecosystem that is mostly stable and unchanging
A climax community
300
List one BIOTIC and one ABIOTIC factor.
The teacher is the judge!
300
What is a population?
a group of organisms of a species that live in the same place at the same time
400
Honey Guide Bird and Badger: Honey guide birds alert and direct badgers to beehives. The badgers then expose the hives and feed on the honey first. Then, the honey guide birds eat.
Mutualism
400
What organisms are considered tertiary consumers? 
Snake
Hawk
400
Name an example of a pioneer species.
Moss, lichen, etc
Teacher is the judge!
400
Name 3 biomes that we studied
The teacher is the judge!
400
What counting method was used during the bean lab?
Random Sampling
500
Woodpecker and Squirrel: The woodpecker and the squirrel both need to create a nest in the same tree.
Competition
500
What percent of energy is passed from one trophic level to the next trophic level?
10%
500
What process is happening in this picture?
Primary Succession
500
The collection of all of the living organisms in a given area AND the nonliving components that they depend on is known as...
an ecosystem
500
An interacting group of various species in a common location is called...
a community