Water
Classification
Marine Ecosystems & Zones
Marine Adaptations & Investigation Tools
100

This process in the water cycle turns liquid water into gas.

What is evaporation?

100

DNA is found in this part of the cell

What is the nucleus?

100

This term describes all the different populations living together in one area

What is a community?

100

These tiny producers drift in water and include diatoms and cyanobacteria.

What are phytoplankton?

200

This is the name for water with both salt and fresh water mixing, like where a river meets the sea.

What is an estuary?

200

In the binomial naming system, the name Orcinus orca includes these two parts.

What is the genus and species?

200

This zone of the open ocean has light, high oxygen, and lots of life.

What is the sunlight zone?

200

Deep-sea creatures often use this adaptation to glow in the dark.

What is bioluminescence?

300

This property of water increases when more salt is added.

What is salinity?

300

The difference between bird and reptile eggs are....

What is bird eggs are hard shelled and reptile eggs are semi hard shelled?
300

Name one reason why coastal ecosystems are more productive than open-ocean ecosystems.

What is nutrient run-off / shallow depth / more sunlight?

300

This is one reason animals in the midnight zone move slowly and live long lives.

What is low oxygen?

400

As you go deeper in the ocean, this increases and can crush objects.

What is pressure?

400

This line along the side of a fish helps it detect vibrations in the water.

What is the lateral line?

400

The rocky shore is divided into these three main zones.

What are the supratidal, intertidal, and subtidal zones?

400

This soft-bodied sea creature hides in rock pools and can pull in its tentacles.

What is a sea anemone?

500

This ocean process brings cold, nutrient-rich water to the surface and helps marine life grow.

What is upwelling?

500

These three domains are used to classify all living things.

What are Bacteria, Archaea, and Eukarya?

500

This adaptation helps mangrove trees survive in salty, waterlogged soil.

What are aerial roots (pneumatophores), prop roots, or salt-excreting leaves?

500

Name the difference between an environment, ecosystem and habitat.

An environment as the external surroundings of an organism or population, including biotic (living) and abiotic (non-living) component. An ecosystem as a unit containing the community of organisms and their environment, interacting together. A habitat as the area where an organism lives and interacts with its environment and other organisms