algae
Many algae use sunlight to make organic matter. This topic is part of Biology within Science & Nature. This page currently draws on 29 supporting questions, with answers and bonus facts available below.
algae trivia questions
Algae are organisms that commonly perform what process?
Answer: Photosynthesis
Bonus fact: Many algae use sunlight to make organic matter.
Large brown marine algae such as kelp are commonly called what?
Answer: Seaweed
Bonus fact: Kelp forms underwater forests in cool coastal waters.
What pigment do green algae share with land plants?
Answer: Chlorophyll
Bonus fact: Chlorophyll captures light energy for photosynthesis.
What symbiotic algae live inside many reef-building corals and provide much of their energy?
Answer: Zooxanthellae
Bonus fact: Zooxanthellae are photosynthetic dinoflagellates that live within coral tissues.
What process occurs when stressed coral loses its symbiotic algae?
Answer: Bleaching
Bonus fact: Bleached coral turns pale and is vulnerable.
What algae live symbiotically inside many reef-building corals?
Answer: Zooxanthellae
Bonus fact: These algae provide much of the coral's energy.
An algae bloom is a rapid increase in what?
Answer: Algae
Bonus fact: Blooms can discolor water and alter ecosystems.
Excess nitrogen and phosphorus can trigger algae blooms through what process?
Answer: Eutrophication
Bonus fact: Nutrient enrichment fuels rapid algal growth.
Why can a severe algae bloom cause fish kills?
Answer: Decomposition can deplete dissolved oxygen
Bonus fact: Microbes consume oxygen as dead algae decay.
Many coral polyps contain symbiotic algae called what?
Answer: Zooxanthellae
Bonus fact: The algae provide much of the coral's energy.
Excess fertilizer runoff can cause rapid algae growth called what?
Answer: Algal bloom
Bonus fact: Nutrients such as nitrogen and phosphorus stimulate algae.
What do the algae provide to coral?
Answer: Energy-rich products of photosynthesis
Bonus fact: They supply much of the coral's energy.