7th 23/24 - Ecological Succession and Biodiversity

having a lot of the same organism.

having a few of the same organism.

only having one of each organism.

having a lot of variety of different organisms.

Extreme and Continuously

Large and Rapid

Localized and slow

Disturbed Ecosystem

Provide a habitat for fungi, microorganisms, and small plants/animals

Fix nitrogen

Add organic material to the soil

Break down rock

Steady and Mature

Remain stable and organisms are in balance with one another

Has little biodiversity and refers to the take over of specific organisms that dominate the diversity of an ecosystem

In theory, remain unchanged unless a large ecological disturbance occurs

Lake fills in with sediments and amphibious plants

Algae and other organisms add nutrients to the lake

Soil, fallen leaves, and decaying matter pile up on the bottom of the lake

Eventually the lake fills completely in with terrestrial plants to create a grassy meadow