MARE325 Midterm 1 Study Guide Coral
Biology and Ecology 2026 Exam
Questions and Answers | A+ Score
Assured
Cambrian Period - 🧠 ANSWER ✔✔Timeframe when stromatolites
dominated reefs.
Paleozoic Era - 🧠 ANSWER ✔✔Period from 485-250 mya with rugose and
tabulate corals.
Mesozoic Era - 🧠 ANSWER ✔✔Period from 250-65 mya dominated by
scleractinian corals.
,Cenozoic Era - 🧠 ANSWER ✔✔Period from 65 mya to present with modern
coral reefs.
Scleractinian Corals - 🧠 ANSWER ✔✔Corals that emerged after the
Permian extinction.
Permian Triassic Extinction - 🧠 ANSWER ✔✔Last major extinction event
around 252 mya.
Hard Corals Uses - 🧠 ANSWER ✔✔Tools, religious artifacts, and
construction in Hawaii.
Charles Darwin - 🧠 ANSWER ✔✔Notable for research on coral atolls.
HMS Challenger - 🧠 ANSWER ✔✔Expedition that advanced deep sea coral
research.
Optimistic Trends - 🧠 ANSWER ✔✔Reefs recover through conservation
and stress mitigation.
Land-Based Stressors (LBR) - 🧠 ANSWER ✔✔Factors negatively impacting
coral resilience.
Wave Energy - 🧠 ANSWER ✔✔Influences coral morphology and growth.
, Sediment and Turbidity - 🧠 ANSWER ✔✔High levels inhibit light necessary
for corals.
Salinity - 🧠 ANSWER ✔✔Affects coral growth and health.
Tides - 🧠 ANSWER ✔✔Influence coral growth and health.
Light - 🧠 ANSWER ✔✔Essential for photosynthesis in coral symbionts.
Rapid Reproduction - 🧠 ANSWER ✔✔Corals reproduce asexually and
sexually for survival.
Symbiosis with Algae - 🧠 ANSWER ✔✔Mutual relationship aiding coral
survival.
Light Enhanced Calcification - 🧠 ANSWER ✔✔Process improving coral
growth through light.
Extinction Events - 🧠 ANSWER ✔✔Five major events impacting reef
organisms.
Benthic Organisms - 🧠 ANSWER ✔✔Sponges and stromatolites competed
with corals.
Coral Resilience - 🧠 ANSWER ✔✔Ability of corals to recover from stress.
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Biology and Ecology 2026 Exam
Questions and Answers | A+ Score
Assured
Cambrian Period - 🧠 ANSWER ✔✔Timeframe when stromatolites
dominated reefs.
Paleozoic Era - 🧠 ANSWER ✔✔Period from 485-250 mya with rugose and
tabulate corals.
Mesozoic Era - 🧠 ANSWER ✔✔Period from 250-65 mya dominated by
scleractinian corals.
,Cenozoic Era - 🧠 ANSWER ✔✔Period from 65 mya to present with modern
coral reefs.
Scleractinian Corals - 🧠 ANSWER ✔✔Corals that emerged after the
Permian extinction.
Permian Triassic Extinction - 🧠 ANSWER ✔✔Last major extinction event
around 252 mya.
Hard Corals Uses - 🧠 ANSWER ✔✔Tools, religious artifacts, and
construction in Hawaii.
Charles Darwin - 🧠 ANSWER ✔✔Notable for research on coral atolls.
HMS Challenger - 🧠 ANSWER ✔✔Expedition that advanced deep sea coral
research.
Optimistic Trends - 🧠 ANSWER ✔✔Reefs recover through conservation
and stress mitigation.
Land-Based Stressors (LBR) - 🧠 ANSWER ✔✔Factors negatively impacting
coral resilience.
Wave Energy - 🧠 ANSWER ✔✔Influences coral morphology and growth.
, Sediment and Turbidity - 🧠 ANSWER ✔✔High levels inhibit light necessary
for corals.
Salinity - 🧠 ANSWER ✔✔Affects coral growth and health.
Tides - 🧠 ANSWER ✔✔Influence coral growth and health.
Light - 🧠 ANSWER ✔✔Essential for photosynthesis in coral symbionts.
Rapid Reproduction - 🧠 ANSWER ✔✔Corals reproduce asexually and
sexually for survival.
Symbiosis with Algae - 🧠 ANSWER ✔✔Mutual relationship aiding coral
survival.
Light Enhanced Calcification - 🧠 ANSWER ✔✔Process improving coral
growth through light.
Extinction Events - 🧠 ANSWER ✔✔Five major events impacting reef
organisms.
Benthic Organisms - 🧠 ANSWER ✔✔Sponges and stromatolites competed
with corals.
Coral Resilience - 🧠 ANSWER ✔✔Ability of corals to recover from stress.
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
