Coastal ecosystems

What is an ecosystem?

• A group of animals that are the same species.
• Soil, water, air and sunlight
• All the living and non living things that interact in an area.
• North America

Which is a non-living part of an ecosystem?

• Sunlight
• Air
• Water
• All of these

What factors affect aquatic ecosystems? 

• Light, salinity, temperature
• Sun, moon and stars
• Nothing
• Coral reefs, whales

Wetlands are important to fisheries in the united states because many of the fish caught each year use the wetlands for _______ and ________

• Dying and decaying
• Feeding and spawning
• Living and working
• Escaping and evading

Which of the following are producers in the food web?

• Phytoplankton and seaweed

• Phytoplankton and zooplankton

• Squid and Elephant Seal

• Seaweed and Crabs

Fetch is

• a popular game dogs enjoy

• the maximum size of a wave

• the distance the wind blows over water

• the duration that wind blows over water

Mangrove ecosystems are ___ wave energy ecosystems.

• high

• low

• moderate

• variable

Mangrove roots are called prop roots since:

• They prop the plant up in the soft muddy soils.

• They prop up communities of sponges

• Fish lean up against them due to low oxygen levels

• Egrets use the roots as hunting tools

Abiotic factor/s that can regulate the growth of mangrove plants is:

• temperature, latitude, & water

• water

• amount of dissolved oxygen, and temperature

• temperature and latitude

What percentage of the ocean's sea life lives in coral reefs?

• 10 -15%

• 20%

• 45%

• 25%