Limiting Factors
The amount of a species in a certain area is what?
Population
True or false: Environmental changes affect both the biotic and abiotic factors in an ecosystem.
True
Define predation.
Predator and prey relationship.
When one species eats another.
Two trees fighting for sunlight is an example of what relationship?
Competition
What day is our final exam?
WEDNESDAY
Limiting factors can be either living or non-living factors. What is another way to say living or non-living factors?
biotic and abiotic factors
Do habitat destruction and over-hunting have a positive or negative effect on the species in the area?
negative
Does cooperation occur between members of the same species or different species?
Same species
The goby fish keeps guard while the pistol shrimp provides shelter and food. What kind of relationship is this?
Mutualism
Factors can cause population size to go up or down are called what?
Limiting factors
Are limiting factors such as a mate and predation biotic or abiotic factors?
biotic
Name three kinds of natural disasters.
Tsunami, Hurricane, Tornado, Wild fire, Earthquake, Drought, climate change
What do we call a relationship where species fight for resources?
Competition
What do we call a relationship where one species benefits while the other gets nothing?
Commensalism
Name an environmental change that becomes more likely when their is no rain in the area. (2 possible answers - if you can name both, you get double points)
Drought and wild fire
Would limited access to water cause the population of a species to increase or decrease?
decrease
What do we call the introduction of harmful material to an environment? For example, oil being spilled into a freshwater stream.
Pollution
What do we call a relationship where both species benefit?
Mutualism
What do we call a relationship where one species benefits while the other is harmed?
Parasitism
What do we call a species that takes over an area and negatively affects the population of other species in the area?
Invasive species
Limiting factors are physical changes that cause and change in what?
Population
!!Daily Double!!
Environmental changes can occur naturally or be cause by what species?
Humans
A lion pride working together to protect each other is an example of what relationship?
Cooperation
Think about the cattle and the egret. What is the relationship if the egret benefits but the cattle is unaffected?
Commensalism
A tick attaching to a human's skin is an example of what relationship?
Parasitism