Ecology Vocab #2

Secondary succession can occur on

• NEW LAND AREA WITH BARE ROCKS

• LAND AREA THAT HAS BEEN DISTURBED BY MAN, NATURAL DISASTER, OR FIRE

What type of succession is shown going from figure A to figure B?

• primary succession
• eutrophication
• secondary succession
• intermediate

If farmers use a controlled burn to prevent forest fires, what would most likely be the first plants to return?

• trees

• shrubs

• mosses

• grasses

this type of succession occurs after a forest fire

• primary succession
• secondary succession
• both

Breaking News! A new island has formed off of Hawaii! What must occur for it to become an ecosystem?

• Secondary Succession

• Aquatic succession

• Primary Succession

• Ferns must grow

How do lichens contribute to primary succession?

• Lichens decompose organic matter from animals and plants
• Lichens begin to break down rock to form soil
• Lichens are nitrogen fixing bacteria
• Lichens convert carbohydrates into fossil fuels.

Natural disasters such as flooding and tornadoes are linked to ________________.

• primary
• secondary
• old field
• ecosystem

What is the name given to lichen or algae after a primary succession?

• pioneer species
• volunteer species
• founder species
• conqueror species

Indicates the greatest number of any species that can indefinitely exist within a specific habitat without threatening the existence of other species also living in that habitat

• carrying capacity
• population density
• population
• population demographics

What would most likely happen if an ecosystem no longer received sunlight?

• The number of herbivores would increase
• The number of plants would increase
• all organisms would adapt
• All living organisms would eventually die