AP BIOLOGY

ECOLOGY

BIOMES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Where would you expect to find most of the seaweed and algae found in an ocean biome?
A
far out at see and near the ocean surface
B
close to shore and near the ocean surface
C
close to shore and on the sea floor
D
far out to sea and on the sea floor
Explanation: 

Detailed explanation-1: -Estuaries are areas where freshwater streams or rivers merge with the ocean. This mixing of waters with such different salt concentrations creates a very interesting and unique ecosystem. Microflora like algae, and macroflora, such as seaweeds, marsh grasses, and mangrove trees (only in the tropics), can be found here.

Detailed explanation-2: -Most of the organisms in the ocean exists in the shallow water over the continental shelves. Why is this true? Producers, the beginning of all food chains, can only exist where there is sunlight. Sea predators can easily catch their prey where the water is shallow.

Detailed explanation-3: -Planktonic aquatic organisms such as phytoplankton, are shallow water creatures; they are restricted to the photic zone in oceans because growth is totally dependent upon photosynthesis.

Detailed explanation-4: -LOCATION: The marine biome is the biggest biome in the world! It covers about 70% of the earth. It includes five main oceans: the Pacific, Atlantic, Indian, Arctic, and Southern, as well as many smaller Gulfs and Bays. Marine regions are usually very salty!

Detailed explanation-5: -The biome that contains the aphotic zone is the marine biome. The marine biome is the largest of the world’s biomes and includes the saltwater of the ocean. It also includes both the photic, disphotic, and aphotic zones, which are areas of the ocean distinguished by the amount of light they receive.

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