Question

match the marine ecosystem with its description.
description
open - ocean zone through which sunlight cannot penetrate
open - ocean zone shallow enough for sunlight to penetrate
ocean - floor area consisting of sand, silt, and dead organisms
deepest, very cold region of the open ocean
narrow band of shoreline where the ocean and land meet that is alternately submerged and exposed and is home to constantly changing communities
ecosystem
select choice
select choice
select choice
select choice
select choice

Explanation:

1. The narrow band of shoreline where the ocean and land meet, alternately submerged and exposed, home to changing communities is the inter - tidal zone. But it's not in the given options.
2. The open - ocean zone shallow enough for sunlight to penetrate is the photic zone in the open - ocean.
3. The open - ocean zone through which sunlight cannot penetrate is the aphotic zone in the open - ocean.
4. The ocean - floor area consisting of sand, silt, and dead organisms is the benthic zone on the ocean floor.
5. The deepest, very cold region of the open ocean is the abyssal zone in the open ocean.

Answer:

1. Narrow band of shoreline: Not in options
2. Open - ocean zone shallow enough for sunlight to penetrate: Photic zone (open - ocean)
3. Open - ocean zone through which sunlight cannot penetrate: Aphotic zone (open - ocean)
4. Ocean - floor area consisting of sand, silt, and dead organisms: Benthic zone (ocean - floor)
5. Deepest, very cold region of the open ocean: Abyssal zone (open - ocean)