Energy
What energy rule is used for food pyramids?
10% rule
What is an abiotic factor?
Something that is not living
What is a biotic factor?
Something that is living
What is homeostasis?
What is quantitative data?
Anything with numbers
What type of organism has cells that use photosynthesis?
Plants
What is the pH number of water?
7
What is the first trophic level (bottom of pyramid) in an ecosystem called?
Producer
What is an example of homeostasis from this unit?
Answers will vary.
What niche or role does a deer play in an ecosystem?
Herbivore
What type of organisms use cellular respiration?
Animals and plants
What abiotic factor has the greatest effect on lowering the pH?
Carbon dioxide (CO2)
Where on a food pyramid is a keystone species typically found?
At the top
What is the process called that maintains homeostasis and it is a passive transport of materials (demonstrated in our egg lab)?
Diffusion
What is biodiversity?
Number or variety of different species
What happens to most energy between the trophic levels of an energy pyramids?
Lost (form of heat)
What is the effect of carbon dioxide on an urchin's shell that contain calcium carbonate?
Wears down and destroys the shell's thickness
This type of ecological effect has an immediate impact on an organism or event?
Direct effect
What is an example of one way the human body maintains homeostasis?
Fever, sweating, going to the bathroom, blood pressure
What is the carrying capacity of a population?
The maximum amount an ecosystem can maintain with its abiotic factors
What energy model is the connection of many food chains to display an entire ecological community?
Food web
What is the number range of the pH scale?
0-14
This type of ecological effect is when one species' impact on another does not happen immediately but occurs over time?
Indirect effect
What is a part of a plant cell that allows it to maintain homeostasis (exchange of gases)?
Stomata
What term do scientists use for organisms, such as an sea otter, that have a significant impact on an entire ecosystem?
Keystone species