MARE325 Midterm 2 Study Guide Coral
Ecology Concepts 2026 Exam Questions
and Answers | 100% Solved
Individual - 🧠 ANSWER ✔✔A single organism.
Population - 🧠 ANSWER ✔✔A group of individuals of the same species
living in the same area.
Community - 🧠 ANSWER ✔✔Multiple populations interacting within a
shared environment.
Ecosystem - 🧠 ANSWER ✔✔A biological community interacting with its
physical environment.
,Biome - 🧠 ANSWER ✔✔Large-scale ecosystems defined by climate and
dominant vegetation.
Biosphere - 🧠 ANSWER ✔✔The sum of all ecosystems on Earth.
Shelford's law of tolerance - 🧠 ANSWER ✔✔Organisms have an optimum
range for a given parameter (e.g., temperature) that will result in the
highest possible level of abundance.
Exponential Growth - 🧠 ANSWER ✔✔J-shaped curve, unlimited resources,
growth accelerates.
Logistic Growth - 🧠 ANSWER ✔✔S-shaped curve, limited by carrying
capacity, growth slows over time.
Density-dependent factors - 🧠 ANSWER ✔✔Competition, predation,
disease (effects increase with population size).
Density-independent factors - 🧠 ANSWER ✔✔Natural disasters, climate
change (effects occur regardless of population size).
Fundamental Niche - 🧠 ANSWER ✔✔The full range of conditions where an
organism could live.
, Realized Niche - 🧠 ANSWER ✔✔Where the organism actually lives due to
competition and other limiting factors.
Bottom-up control - 🧠 ANSWER ✔✔Ecosystem regulated by nutrient
availability and primary producers.
Top-down control - 🧠 ANSWER ✔✔Ecosystem controlled by predators
regulating lower trophic levels.
Competition - 🧠 ANSWER ✔✔Corals compete for space and light.
Mutualism - 🧠 ANSWER ✔✔Coral and zooxanthellae algae.
Commensalism - 🧠 ANSWER ✔✔Shrimp living in coral for shelter.
Amensalism - 🧠 ANSWER ✔✔Coral overgrowing and shading out other
species.
Competitive Exclusion - 🧠 ANSWER ✔✔One species outcompetes another.
Intraspecific Competition - 🧠 ANSWER ✔✔Between individuals of the same
species.
Interspecific Competition - 🧠 ANSWER ✔✔Between different species.
Preemptive Competition - 🧠 ANSWER ✔✔Occupying space before others.
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Ecology Concepts 2026 Exam Questions
and Answers | 100% Solved
Individual - 🧠 ANSWER ✔✔A single organism.
Population - 🧠 ANSWER ✔✔A group of individuals of the same species
living in the same area.
Community - 🧠 ANSWER ✔✔Multiple populations interacting within a
shared environment.
Ecosystem - 🧠 ANSWER ✔✔A biological community interacting with its
physical environment.
,Biome - 🧠 ANSWER ✔✔Large-scale ecosystems defined by climate and
dominant vegetation.
Biosphere - 🧠 ANSWER ✔✔The sum of all ecosystems on Earth.
Shelford's law of tolerance - 🧠 ANSWER ✔✔Organisms have an optimum
range for a given parameter (e.g., temperature) that will result in the
highest possible level of abundance.
Exponential Growth - 🧠 ANSWER ✔✔J-shaped curve, unlimited resources,
growth accelerates.
Logistic Growth - 🧠 ANSWER ✔✔S-shaped curve, limited by carrying
capacity, growth slows over time.
Density-dependent factors - 🧠 ANSWER ✔✔Competition, predation,
disease (effects increase with population size).
Density-independent factors - 🧠 ANSWER ✔✔Natural disasters, climate
change (effects occur regardless of population size).
Fundamental Niche - 🧠 ANSWER ✔✔The full range of conditions where an
organism could live.
, Realized Niche - 🧠 ANSWER ✔✔Where the organism actually lives due to
competition and other limiting factors.
Bottom-up control - 🧠 ANSWER ✔✔Ecosystem regulated by nutrient
availability and primary producers.
Top-down control - 🧠 ANSWER ✔✔Ecosystem controlled by predators
regulating lower trophic levels.
Competition - 🧠 ANSWER ✔✔Corals compete for space and light.
Mutualism - 🧠 ANSWER ✔✔Coral and zooxanthellae algae.
Commensalism - 🧠 ANSWER ✔✔Shrimp living in coral for shelter.
Amensalism - 🧠 ANSWER ✔✔Coral overgrowing and shading out other
species.
Competitive Exclusion - 🧠 ANSWER ✔✔One species outcompetes another.
Intraspecific Competition - 🧠 ANSWER ✔✔Between individuals of the same
species.
Interspecific Competition - 🧠 ANSWER ✔✔Between different species.
Preemptive Competition - 🧠 ANSWER ✔✔Occupying space before others.
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
