This is the largest marine ecosystem, and covers most of Earth's surface area; it includes all marine environments that are far from shore and that are still close enough to the surface to receive sunlight. Which ecosystem is this?

These ecosystems occur where rivers connect with oceans; the flows of nutrients carried by the rivers make these ecosystems some of the most nutrient-rich and bio-productive areas on Earth; many species live here, and many more will come here each year to breed and raise their young. Which ecosystem is this?

Generally located in shallow, tropical waters; very high species diversity; most species rely in some way on the polyp-like keystone species. Which ecosystem is this?

A scientist found the following organism as they were traveling in the bathypelagic zone along a divergent plate boundary. They also felt extreme heat once they arrived and saw clouds of black smoke. Which ecosystem is this?

Your family has planned a vacation to a marine ecosystem that is extremely cold, but can be accessed without special permission. They plan on visiting the icebergs, watching to arctic foxes, and smelling the arctic willow. Which ecosystem is this?

Below is a marine producer known to make forests in tropical areas and has a unique adaptation of prop roots exposed at low tide. In which marine ecosystem below would you find this organism?

Below is a marine producer known to be found in temperate and polar location and forms forests with the most productive marine communities and a high biodiversity of organisms. In which marine ecosystem below would you find this organism?

A scientist was exploring the coast of South Carolina when they stumbled upon an area near the coast that had thick mud, called peat, that was made of decomposing matter and smelt terrible! Which ecosystem is this?

Which ecosystem below is being negatively impacted by humans due to the loss of oxygen by burning fossil fuels, deep sea mining, and the collection of trash and military equipment that has found itself there?

Which ecosystem below is being negatively impacted by humans due to direct pollution from our visits there, the destruction of habitats, and dredging of sand?

Which ecosystem below is being negatively impacted by humans due to deforestation, dredging, water pollution, and overfishing?

Which ecosystem below is being negatively impacted by humans due to the harvesting of the main producer to be used in various commercial products and pharmaceuticals, as well as costal developments and pollution?

Which ecosystem is located in the intertidal zone and is frequented by humans when you visit the beach, but has not been crossed because of the sudden drop in land into the next pelagic zone?

Which ecosystem contains about 90% of the world's surface freshwater frozen into ice, is one of the windiest ecosystems, and is home to penguins and leopard seals?