Krill (Euphausia superba)
- Eats phytoplankton and feeds fish, whales, and penguins
- Fun Fact: A single krill can consume up to half its body weight in a day.
Phytoplankton (Thalassiosira pseudonana)
- Makes its own energy using sunlight and provides energy for other animals in the ocean that eat them
- Fun Fact: Phytoplankton produce about half of Earth’s oxygen!
Mackerel (Scomber scombrus)
- Eats smaller animals like plankton or small fish to get energy
- Fun Fact: Mackerel can swim in large schools to protect themselves from predators and find food more easily.
Seaweed (Macrocystis pyrifera)
- Uses energy from the sun to make its own food and provides food and habitat for marine animals
- Fun Fact: Giant kelp (a type of seaweed) can grow up to 60 meters (200 feet) in a single year.
Chemosynthetic bacteria (Sulfurimonas autotrophica)
- Converts chemicals like hydrogen sulfide into energy, forming the base of the vent ecosystem
- Fun Fact: These bacteria survive without sunlight entirely, using chemical energy instead.
Vent Shrimp (Rimicaris exoculata)
- Consumer
- Feeds on bacteria and small particles from the vent environment, providing energy for other animals that eat them
- Fun Fact: Lives in dense swarms, sometimes thousands per square meter near vents.
Vent Crabs (Bythograea thermydron)
- Consumer
- Feeds on chemosynthetic bacteria and other small vent animals, getting energy from the deep-sea vent ecosystem
- Fun Fact: Vent crabs can tolerate extreme temperatures and pressures and are often found near hydrothermal vents where few other animals can survive.
Tube worms (Riftia pachyptila)
- Consumer
- Host chemosynthetic bacteria in their bodies to get nutrients
- Fun Fact: Tube worms have no mouth or digestive system; they rely entirely on bacteria for food.
Q1/3 W8 Photosynthetic vs Chemosynthetic Organisms
Mountain Heights Academy
Created on November 9, 2025
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Transcript
Krill (Euphausia superba)
Phytoplankton (Thalassiosira pseudonana)
Mackerel (Scomber scombrus)
Seaweed (Macrocystis pyrifera)
Chemosynthetic bacteria (Sulfurimonas autotrophica)
Vent Shrimp (Rimicaris exoculata)
Vent Crabs (Bythograea thermydron)
Tube worms (Riftia pachyptila)