Final Exam (dec) Flashcards
Levels of organization
Biosphere Biome Ecosystem Community Population Species
Ecology is…
Interactions between organisms and their environment
Food chain vs. food web
Food chain- 1 single path
Food web- plants and animals interconnected by different paths
List the trophic level and organism
- Producer
- Primary consumer
- Secondary consumer
- Tertiary consumer
- Quaternary consumer
- Apex consumer
Biotic vs. abiotic
Biotic- living factors
Abiotic- non living factors
What is the original source of energy in most ecosystems?
THE SUN
Herbivore
Plants only
Omnivores
Both animals and plants
Carnivore
Animals only
Detritivores
Eat decomposing matter
Decomposers
Dead organisms
Bacteria
Hydrologic cycle
Precipitation If dry Seepage Root Uptake Transpiration (liquid-gas) Condensation (gas-liquid-cloud) If saturated Run off Rivers/streams/ground Evaporation ( liquid-gas)
Nitrogen cycle
Nitrogen in the air
Lightning bolts
No2 formed
Nitrogen fixation
Niche
Relationship abiotic & biotic factors affecting it
Community interactions
Predation Competition Symbiosis Mutualism Commensalism Parasitism
Primary succession
Occurs following an opening of uninhabited, barren habit or that occurs in an environment that is devoid of vegetables and lacks of topsoil
Secondary succession
Occurs on a pre-existing soil after the primary succession has been disrupted or destroyed due to a disturbances that reduces population of the initial inhabitants
Biodiversity
Variety of life in the world or in a particular habit or ecosystem
Conservation biology
Scientific study of the nature and status of earths biodiversity with the aim of protecting species, their habitats and ecosystem from extinction and biotic factors
Hooke-
Gave the name “cells” (cork)