Species Interactions
Populations
Competition and Vocab
Misc.
Food Webs
100
Interaction between two species where one species benefits and the other is harmed.
Parasitism
100
This is a measure of how many organisms of a species live in an area.
Population density.
100
What is the outcome of any competition between species?
One wins.
100
What is quantitative data? Qualitative data?
Data with numbers, data based on descriptions.
100
What does a food web show?
Interactions in an ecosystem where different species consume each other for food.
200
When two organisms interact and both benefit.
Mutualism.
200
The maximum number of organisms that can live in an area.
Carrying capacity.
200
What drives competition?
Limited resources.
200
What is a biome?
Areas with similar biotic and abiotic factors.
200
Explain two things that could happen to a food web if a producer were removed.
Food web collapses, shifts to eating different consumer.
300
A way of visualizing how one organism consumes another for energy and is then consumed by another organism.
Food chain/web.
300
These control how large a population gets.
Limiting factors.
300
What is an autotroph?
What is a heterotroph?
- something that makes its own food via photosynthesis.
- something that gets energy by consuming other organisms.
300
At each level of a food chain, energy is lost. Explain how.
Heat lost to the environment.
300
In a food web where a snake eats a mouse that eats grass, what is a term used to describe the snake? Not a predator.
Secondary consumer/heterotroph.
400
Plants are considered this type of organism because they make their own food.
Autotroph.
400
What must be true when a population is growing.
Birth rate>death rate
400
What is a species?
Group of organisms that can reproduce and create fertile offspring.
400
Describe the difference between climate and weather.
Climate is long term conditions over years while weather is short term.
400
Create a food web for a forest habitat. Include at least 6 different species.
-
500
This type of organism gets its energy from consuming other organisms as either a predator or herbivore.
heterotroph.
500
Describe 3 things that could happen to limit the population of squirrels in the woods across the road from the school.
Less food, more predators, less space.
500
Describe the importance of a keystone species and give 2 examples.
Species that has a disproportionately large impact on its ecosystem.
-
500
Coyotes move into an area. How does this impact plant growth?
More plant growth b/c animals that eat plants spend less time eating and more time avoiding predators.
500
If the population of scallops decreases, what might happen to the diet of the seal? 
Shift to more herring and dogfish, less cod.