UNIT 2 - Ecology Flashcards
Define: Ecology
The relationship among organisms (biotic), and between organisms and their environment (abiotic)
Name 2 herbivores
Hippo, giraffe
Name 2 carnivores
crocodile, lion
Name 2 omnivores
Raccoon, bear
Name the order of the food chain
Producer
Primary consumer
secondary consumer
tertiary consumer
Define: Tropic level
Each step in the transfer of energy and matter in a community
Define: Scavenger
consumers that feed on the tissues of dead organisms
Define: Decomposer
An organisms that feeds on dead organic material
Define: Food Web
all the interconnected food chains in s community
Why is a pyramid used to represent things in biology?
It shows a decrease as you go up the food chain
What 3 things do the pyramids represent?
Pyramid of Numbers, Energy, and Biomass
What are the 3 main biogeochemical cycles?
Water Cycle
Carbon Cycle
Nitrogen Cycle
What are the reactants and products of the Water cycle?
H2O -> H and O
What are the 2 main parts of the Carbon and Oxygen cycle?
Photosynthesis and Cellular Respiration
What are the products and reactants of Photosynthesis?
H2O+ CO2 + LIGHT —>C6 H 12 O 6 + O2