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Oceans

Last updated almost 7 years ago
19 questions
1

The part of the coastline between the high tide mark and the low tide mark is called the

1

The main type of wetland that occurs closer to the equator is

1

What do rivers drop in the salt marshes along the edges of estuaries?

1

What is an example of a pollutant that may be carried by rivers to estuaries?

1

A habitat is an environment that

1

Over much of the continental shelf, sunlight penetrates to the ocean bottom.

1

Corals get their nutrition by performing photosynthesis.

1

Coral reefs exist in deep, dark waters near a coastline.

1

Phytoplankton are photosynthetic organisms that use air bubbles to stay near the surface.

1

Hydrothermal vents are deep ocean environments that are unable to support life.

1

Which of the following is a negative effect of commercial fishing?

1

Humans use the ocean's living resources as a source of

1

Which of these groups contains only nonliving ocean resources?

1

Most of the oil that enters the ocean comes from

1

Which of these materials are NOT presently mined from the ocean floor?

1

Freshwater from rivers mixes with the ocean's salt water in

1

What is a wetland?

1

One way that governments protect organisms in coastal areas is by passing laws that

1

Which of these describes the waters in many of near-shore environments?