Pls click to the image to see more30 pointdiagram interpretationuse the diagram of the ocean layers to answer the questions thatfollow.1. what is the depth of the coldest ocean layer? 2. what is the depth of the warmest ocean layer? 3. what is the name of the layer that is from 400m to 800m deep? 4. what is the relationship between depth and temperature in thislayer? 5. what is the relationship between depth and salinity in thislayer? 6. what property of water determines its vertical position in theocean?

organisms that lack symmetry are called asymmetrical and belong to phylum porifera/sponges.

organisms with specialized stinging cells belong to phylum cnidaria. stinging cells are called cnidoblast cells.

cnidarians show two morphological forms : polyp (sessile) and medusa (mobile)

filter feeding is observed in porifera members.  

alternation of generation is observed in coelenterata or cnidaria. there is alternation of asexual polyp form and sexual medusoid form. it is also referred as metagenesis.

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation:

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.