7th 23/24 - Ecological Succession and Biodiversity

High biodiversity is ...

• 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.

Tags

NGSS.MS-LS2-5

The final result of ecological succession is a _______ _________.

Tags

NGSS.MS-LS2-4

An ecological disturbance is best categorized by these two words

• Extreme and Continuously

• Large and Rapid

• Localized and slow

• Disturbed Ecosystem

Choose all examples of ecological disturbance that result in primary succession​.

​ ​ ​ (a)   ​ (b)   ​ (c)  

• Emergence of a new island
• Volcanic Eruptions
• Glacial Retreat
• Wildfires
• Landslides and Avalanches
• Severe Weather and Floods
• Farming and Deforestation
• Mining

Choose all examples of ecological disturbance that result in secondary succession​.

​ ​ ​ ​ ​ ​ (a)   ​ (b)   ​ (c)   ​ (d)   ​ (e)  

• Wildfires
• Landslides and Avalanches
• Severe Weather and Floods
• Farming and Deforestation
• Mining
• Volcanic Eruptions
• Glacial Retreat
• Emergence of a new island

Select the following descriptions that match the following types of succession

Primary: ​ (a)   ​ (b)  

Secondary: ​ (c)   ​ (d)  

Both Types: ​ (e)  

• No soil
• Slow
• Soil
• Faster
• After an ecological disturbance happens
• Caused by human impact

What kind of organism is required to start ecological succession in an area after a disturbance, a _______ species

Select all functions that pioneer species provides an ecosystem

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

• Fix nitrogen

• Add organic material to the soil

• Break down rock

Select ALL statements that are true of a climax community

• 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

Match the following

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

• 
• Algae and other organisms add nutrients to the lake

• 
• Lake fills in with sediments and amphibious plants

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

• 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4