Which succession requires rebuilding soil?
Primary
What is the name of the species that makes soil for new ecosystems?
Pioneer Species
What is a predator?
1 animal that kill another for food
What is prey?
an animal that is killed and consumed
Why was the mushroom popular?
He was a fun-gi
What are the pioneer species in Primary Succession?
Mosses and Lichens
What are the pioneer species in Secondary Succession?
Weeds, Grasses, Mosses, and Lichens
What is interspecific competition?
competition between two different species
What is intraspecific competition?
competition between the same species
Why do biologists look forward to casual Fridays?
They can wear genes.
What causes Secondary Succession to be necessary? Name two.
Fires, floods, tornados, tsunamis, natural disasters in general
What causes Primary Succession to be needed?
Erupting volcano, melting glacier, etc.
What is the competitive exclusion principle?
No 2 organisms can occupy the same niche at the same time.
What is symbiosis?
Close, physical, long term relationship between two species
Did you hear about the physicist who divorced the biologist?
The chemistry was missing
What is reached after succession?
Climax community
What does a stable ecosystem have?
High biodiversity
What is parasitism?
A parasite benefits from the relationship, while the host is harmed.
What is commensalism?
One organism benefits from a relationship, while the other is unaffected.
What did biologists wear back in the 70s?
Bell-Bottom Genes
When does succession end?
NEVER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
How long did the recovery from the massive Permian-Triassic extinction (the "Great Dying") take?
Roughly 10 million years
True or false: Organisms can share a niche
False
What is a keystone species?
a species that holds the ecosystem together, it is typically a predator
Why was the yeast cell depressed?
His parents just split.