Final Exam Review Questions Biology Final Exam Review Questions

Describe the flow of energy in the food chain

What is the difference between habitat and niche?

What happens to the mass at each stage of this food pyramid?

What is the difference between biotic and abiotic?

What is the difference between aerobic and anaerobic?

Describe the “competition” in the graph above.

State a plausible explanation for the above graph

COMMUNITY INTERACTIONS Describe these types of interactions: Competition Predation Symbiosis

Explain: Mutualism See next slide for answer

Mutualism means that both species benefit, like the clownfish and the anemone

Describe commensalism What’s happening?

commensalism beneficial to one species, other remains neutral (not helped nor harmed) Ex. Epiphytes, ramora

What is parasitism? Analyze this picture

parasitism Parasitism: One species harms (parasite) another species (host) to benefit themselves Eg. Parasitic isopod and fish

ECOLOGICAL SUCCESSION What is ecological succession?

ECOLOGICAL SUCCESSION The gradual changes in an ecosystem after a disturbance occurs

Explain the differences Producers Secondary consumers Decomposers Primary consumers

What is a non-native species? Why do non-native species often disrupt their ecosystem?

ECOLOGICAL SUCCESSION Gradual change in living communities that follows a disturbance Describe these 2 Types of succession: Primary succession: Secondary succession:

ECOLOGICAL SUCCESSION Gradual change in living communities that follows a disturbance Types of succession: Primary succession: occurs on surfaces where no soil exists pioneer species to climax community Secondary succession: follows a disturbance that destroys a community without destroying the soil