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Vocabulary
Food Webs
Energy and Matter
Rocky Shores
Misc.
100
All members of a species within a particular area
What is population
100
A visual that shows the network of food chains in an ecosystem
What is a food web
100
Organisms that break down organic waste and feed on the nutrients (help to recycle matter)
what are decomposers
100
A filter feeder that makes byssal threads to attach to the rocks
What are blue Mussels
100
Desiccation is an example of a ____________ ________ caused by the changing tides
What is an environmental threat
200
Community of different species that depend on interacting with each other and their physical environment for survival
What is an ecosystem?
200
Organisms that eat other organisms (also known as heterotrophs)
What are consumers
200
Marine animals with organs that gather energy by straining nutrients and small organisms out of the water
What are filter feedes
200
This predator has adapted to life on the rocky shores in many ways, such as it's water vascular system that allows it to move.
What are sea Stars
200
What two forces cause the tides
What are inertia and gravity
300
Anything that can cause harm to an ecosystem.
What are environmental threats
300
These organisms are typically at the top of the food chain. They are called ____________ consumers.
What is tertiary?
300
Another name for the levels on a food web?
What is trophic levels
300
This intertidal zone shows the most diversity in species
What is the low intertidal zone
300
As you move up trophic levels you can expect this to happen to the population size.
What is decrease (lower population at higher trophic levels)
400
Region of land that is covered and uncovered by water between high and low tides
What are the intertidal zones
400
Organisms that capture energy directly from the sun to make their own food through photosynthesis (also known as autotrophs)
What are producers
400
In an ecosystem it is said that energy __________ and Matter __________.
What are flows and Cycles
400
Organisms that live in this intertidal zone must be well adapted to face drastic changes in temperature.
What is the high/splash zone
400
In order to survive in the rocky shores ecosystems organisms must _____________
What is adapt
500
Drying out due to the removal of water
What is desiccation
500
What is the percentage of energy LOST as it moves from producer to primary consumer to secondary consumer?
What is 90%?
500
When two or more organisms are fighting for the same limited resource.
What is competition
500
Because it takes more energy to heat, water is said to have a high ______________ _____________
What is heat capacity
500
What happens to the amount of energy available as you move up the trophic levels?
What is less energy is available (rule of 10) so fewer organisms can be sustained.