The term seaweed is loosely used to refer to all marine plants. (Seaweed) has had to adapt a lot because it lives under water or very close to water. Mar 18, 2014 - Seaweed Seaweed has had to adapt a lot because it lives under water or very close to water. Natural selection over many generations results in helpful traits becoming more common in a population. Along the northeast coast of the US, there is a toxic phytoplankton species, Alexandrium fundyense, which produces very toxic blooms. Two experimental feeding trials were conducted during four weeks to evaluate the use of Ulva lactuca in shrimp culture: (1) for wastewater bioremediation, and (2) using different inclusion levels of U. lactuca meal in shrimp feed. They are eukaryotic organisms and lack any vascular tissue (for the transport of water and other compounds such as sugars) or any organised tissue. Environmental Adaptation. It is not a quick process! A weak _____ is an adaptation of a water lily, allowing it to focus on the expansion of its leaf. In other words, the predators may adapt and would be able to eat lots of toxic prey without being poisoned. Seaweed. This occurs because individuals with these traits are better adapted to the environment and therefore more likely to survive and breed. However there are several types of plants that live in water such as lichens, sponges, and red/brown/green algae. The _____ of this plant attracts pollinators, such as bees. Like plants on earth use carbon dioxide and sunlight to produce oxygen for human beings to survive, seaweed use carbon dioxide in water and sunlight to produce carbohydrates for the marine life to survive. If algae originated from a single strain, environmental evolutions have forced the adaptation into red, brown, yellow and green colour algae which each blend in with their environmental surroundings. Also, to prevent be… The seaweed can have one or more blades, and the blades can have different shapes. Aquatic algae demonstrates photosensitive and cosmetic adaptation throughout the ocean. In some cases, the blades have a distinct midrib. Heavy wave action; Small, tough stipes and blades; Strong holdfasts; Hydrodynamic shapes; Low surface to volume ratio; Dessication; Low surface to volume ratio; Trap water. Photosynthesis takes place primarily in the blades and it is, therefore, important that the stipe is long enough to place them sufficiently close to the surface of the water … Seaweed can only live in sea water and it needs enough sunlight reaching them so they can carry on the process of photosynthesis. To reproduce they release seeds into the water synchronously in reaction to light, temperature, or tides to increase the fertilization rate. Adaptation to Shallows (subtidal to 30 meters) Less wave Action They create a gelatinous polycarride that helps to retain water. Seaweed (or macroalgae) are a diverse group of mostly photosynthetic algae found in marine and freshwater environments. Copepods, small crustaceans and the most abundant animals in the world, are main consumers of toxic algae. Kolkwitz listed 61 diatoms, 42 green algae, 41 pigmented flagellates, 23 blue-green algae, and 5 red algae as organisms of oligosaprobic and /or unpolluted zones and Lackey found 77 species of planktonic algae in the clean water portion of a small stream, 40 of which were absent in the polluted area[15,16]. Seaweed Adaptations : Adaptation to Intertidal Zone. As they heavily depend on water, it becomes a limiting factor for their survival. They create a gelatinous polycarride that help to retain water. To reproduce they release seeds into the water synchronously in reaction to light, temperature,or tides to increase the fertilization rate. 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