Food Webs
These levels show the relationships between producers, primary consumers etc.
What are trophic levels?
A group of ecosystems classified by climate and vegetation.
What is a biome?
The term for living organisms in an ecosystem.
What is biotic?
Respiration, both cellular and and through the respiratory system, releases this waste product gas.
What is carbon dioxide?
Acids release this type of ion (cation) in solution.
What are hydrogen ions or H+ ions?
The lowest level in a food web, these organisms produce their own food.
What are producers or autotrophs?
A group of interbreeding, coexisting organisms.
What is a population?
In this type of symbiotic relationship, bees harvest nectar while transferring pollen to other flowers.
What is mutualism?
Condensation and this are the two main ways water enters most ecosystems.
What is precipitation? Also accepted, snow melt or surface run-off.
Most bases release this type of ion (anion) when in solution.
What are hydroxide ions or OH- ions?
These organisms are on the second level of a food chain.
What are the primary consumers?
The non-living parts of any ecosystem.
What is abiotic?
In this symbiotic relationship, the cattle egret eats the insects disturbed while the cattle graze.
What is commensalism?
This gas, which makes up 20% of our atmosphere, mainly enters it's biogeochemical cycle through photosynthesis.
What is oxygen?
These are eukaryotic cells with a cell wall.
What are plant cells?
The measure of the amount of organisms in a certain area.
What is biomass?
Plasmodium, the small microorganism responsible for malaria, is transferred via a mosquito bite. Transfer of plasmodium to a human is an example of this symbiotic relationship.
What is parasitism?
This chemical, found mostly in rocks, is released into it's biogeochemical cycles through weathering.
What is phosphorus?
This category of organisms eat both plants and animals.
What is an omnivore?
The study of interactions between living and non-living things.
What is ecology?
The calories on your candy bar are actually these.
What are kilocalories?
These chemical signals are emitted and cause a behavioral change in members of the same species. Example: Females emit these during mating season.
What are pheromones?
This greenhouse gas is a byproduct of cellular respiration and decomposition.
What is carbon dioxide?
What is the name of the green pigment in plants?
What is chlorophyll?