Alake is drained and filled in order to make room for a new housing development. this is an example of

Habitat Destruction

Explanation:

Habitat destruction refers to the act of destruction of natural habitats of other living beings to use the land for human use. A lake is habitat for aquatic organisms and serves as water reservoir. When it is drained to vacate the land and to use it for new housing development, the process is called as habitat destruction.

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.