Topic 1
Define a Mutualistic Relationship.
A relationship in which each partner benefits from the relationship.
What is the difference between a Need vs a Want?
Need = required for survival.
Want = not required for survival.
What is a niche.
The role an organism has within its ecosystem.
Why do we have Pesticides?
To control unwanted living things like weeds and insects.
What are the 2 different types of succession?
Primary and Secondary.
What things are required for a living being to survive?
Food, Water, Habitat, & Gas Exchange
Define Natural Resources.
Materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain.
Which type of consumer eats both producers and other consumers?
Omnivores.
What percentage of water is found in Humans?
60-70%
Name the 4 Different Types of Ecosystem Monitoring:
Physical, Environmental, Biological, and Chemical.
Give an Example of a Parasitic Relationship.
Host: Human
Parasite: Tapeworm or Mosquito
Name 3 ways that Humans have negatively impacted the planet.
Ex. Littering, Burning Gases, Building Cities (Harming the Environment), Overpopulation, and Deforestation.
Which level in the pyramid of numbers has the fewest number of organisms/species?
Top (Final Consumers)
Explain the Difference between Bioaccumulation vs Biomagnification
Bioaccumulation: is the accumulation of a toxic chemical in the tissue of a particular organism.
Biomagnification: is the increased concentration of a toxic chemical the higher an animal is on the food chain (Remember the Cube-a-links)
What is the data called that scientists use to compare changes in the environment?
Baseline Data
Define Adaptation.
An Inherited characteristic that helps an organism survive and reproduce.
Name 4 ways to Reduce your ecological footprint.
Ex. Being aware of what you consume on a daily basis, reducing, reusing, recycling, being aware of electrical use, carpooling.
Thinking of Energy Flow, where does all energy start from?
The Sun.
Name 4 of the 7 elements of the carbon cycle:
CO2 in Atmosphere, Photosynthesis, De-composition, Oxygen & Respiration, Respiration, Fossil Fuels, Burning Fossil Fuels.
What is Artificial Succession?
Farmer plows his field, field is now bare, pioneer species are introduced when crop seeds are planted, climax community forms when crops start to grow.
The word "Ecology" comes from which 2 Greek words?
"Oikos" = House & "Logos" = Study
What is Sustainability.
Means that the resources of nature are being renewed at least as quickly as they are being used and that all water is able to be completely absorbed.
Explain what Biomass is.
Total mass of all the organisms in an ecosystem.
Name 5 of the 7 elements of the Water Cycle:
Precipitation, Evaporation, Transpiration, Surface Run-off, Infiltration, Ground Water, Condensation.
When would scientists choose to monitor an environment?
After a disturbance (earthquake, volcanic eruption), before or after a forest is cleared.