Semiconservative replication was not the only model of DNA replication proposed during the mid-1950s, however. In fact, two other prominent hypotheses were put also forth: conservative replication and dispersive replication.
Main idea. Aquatic ecosystems are grouped based on abiotic factors such as water flow, depth,distance from shore, salinity, and latitude. Freshwater ecosystems. The major freshwater ecosystems include ponds, lakes, streams,rivers, and wetlands.
Abiotic factors are the non-living factors in an environment. In a backyard, rocks are abiotic factors. Biotics factors are living factors in an environment.Biotic factors i â¦ n a backyard are grass, insects, and small animals.'m not so sure about biotic factors in the Caribbean sea. But the abiotic elements in the Caribbean sea are Abiotic factors in an ecosystem are all of the non-living things, â¦ such as rocks, air, weather, water, sand, etc.