Week 10. Warm-ups. Agenda. Vocabulary. Biotic : living parts of an ecosystem Abiotic : non-living parts of an ecosystem. Which is most important? Why?. Interdependence. All organisms depend on other organisms Levels: Organism Population (group of similar org. in same place, time)
Which is most important? Why?
All organisms depend on other organisms
Producer Primary Consumer Secondary Consumer, etc. (all Decomposer)
Grass Caterpillar Lizzard Eagle
Grass Caterpillar Bluebird Eagle
Grass Snail Bluebird Eagle
Grass Bluebird Eagle
Grass Rabbit Eagle
Producers (mostly plants)
The following affect the size of a population:
If birth rate > death rate and immigration > emigration the population will grow, and vice versa.
EXAMPLE: From year 5 to year 10 the rabbit population increased by 12 rabbits.