The source of most of the nitrogen and phosphorus in the Chesapeake Bay
What is run-off
100
The roll and organism plays in its environment
What is niche
100
mutualism, parasitism,and commensalism are this type of relationship
What is symbiosis
100
The population density of 10 flowers in 5 square meters
What is 2 flowers per square meter
100
In an expemiment, the group without manipulation that is used to compare other groups is called this
What is control group
200
A definition of a watershed
What is an area of land where all the water on and under the ground end in the same place
200
All the living things in an ecosystem
What is the community
200
Protective covering, warming coloring, and camouflage are all this
What is prey adaptations
200
which would cause a population to grow more:
an birth rate of zero or a death rate of zero
What is death rate of zero
200
tall, blue, and round are all example of this type of data
What is qualitative
300
The two major pollution types in the Chesapeake Bay
What is nutrients (nitrogen and phosphorus) and sediment
300
organisms that eat plants and other animals
What is omnivore
300
A vicroy butterfly is not poisonous, but it looks like the toxic monarch. This is an example of
What is mimicry
300
Wolves leaving the pack in search of new hunting grounds is an example of
What is emigration
300
The variable you measure in an experiment
What is dependent
400
This describes how a dead zone forms
What is algae over grow due to nutrient pollution and decomposes use the oxygen in the area
400
An organism that if removed from an ecosystem would cause collapse of the food web
What is keystone species
400
When warblers and wrens fight over nesting sites it is an example of this type of competition
What is intrespecific
400
The place where a logistic growth curve levels off
What is carrying capacity
400
You water 3 different plants with 3 different sugar solutions (5%, 10%, and 15%) and count leaves the to see if the ones with more sugar have more leaves, this is the independent variable
What is percent sugar in the solution
500
The states that along with Washington DC re part of the Chesapeake Bay watershed
What is NY, PA, DE, VA, WV, MD
500
If the secondary consumers have 100 Kcal of energy, this is how much the producers have
What is 10,000Kcal
500
In order for natural selection to occur an organism must be well suited to its environment and do this
What is pass down traits to its offspring
500
If the limiting factor on a population's growth is temperature, this is the type of growth curve expected
What is exponential
500
If you are varying the amount of time seeds are in the sunlight to see the impact on seed germination, this would be the control group
What is seeds always in darkness (or seeds always in light)