3rd 9 Weeks Review

Organisms with a ___________ gene pool have a __________ chance of surviving

• smaller, lesser

• larger,greater

• smaller, greater

• larger, smaller

Biodiversity is the ____________ and variability of __________ on earth

• variety

• life

• diversity

• difference

Why is biodiversity in an ecosystem so important?

• Because it can help humans where to determine good places to develop farm land.

• Because places that have a healthy biodiversity are unaffected by major disturbances.

• Because having a high biodiversity allows ecosystems to withstand major changes.

• Because having a high biodiversity allows for fewer opportunities of competition for similar resources.

What term best describes this group of bison?

• Species
• Community
• Ecosystem
• Population

What term best describes all the plants and animals in this image?

• Species
• Population
• Ecosystem
• Community

This image shows both living and non living things in an area.  What term best describes this?

• species
• community
• population
• ecosystem

One individual living thing

• organism
• population
• community
• ecosystem

succession that occurs in an area with no soil

• ecological succession 
• primary succession 
• secondary succession
• pioneer speciles

succession that occurs in an area where soil is already present

• ecological succession 
• primary succession 
• secondary succession
• pioneer speciles

Plant life starting to grow on a volcano

• primary succession
• secondary succession
• tertiary succession
• variable succession