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A process by which nutrients, particularly phosphorus and nitrogen, become highly concentrated in a body of water, leading to increased growth of organisms such as algae or cyanobacteria. Can lead to anoxia (low oxygen level due to it being taken up by algae and other organisms)
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- Different Types of Adaptations
- Structural Adaptations
- Physiological Adaptations
- Behavioural Adaptations
Marine organisms have adapted to the great diversity of habitats and distinctive environmental conditions in the marine environment. Adaptationsare many and varied but they are generally grouped into 3 main categories: structural, physiological and behavioural.
Structural (or morphological) adaptations are the physical features of the organism. These include things you can see, like its shape or body covering, as well as its internal organisation. Following are a few of the ways that marine organisms have adapted their physical features to suit a particular habitat. Seawater is much denser than air – as a...
Physiological adaptations relate to how the organism’s metabolism works. These adaptations enable the organism to regulate their bodily functions, such as breathing and temperature, and perform special functions like excreting chemicalsas a defence mechanism. Some marine mammals, such as whales, migrate over large distances and may spend time in a ...
Behavioural adaptations are learned or inherited behaviours that help organisms to survive, for example, the sounds made by whales allow them to communicate, navigate and hunt prey. Crab larvae use sounds to help them find suitable habitatsso they can settle and metamorphose (change into an adult form). Bryozoan colonies are found in high numbers o...
Study with Quizlet and memorize flashcards containing terms like is a characteristic that helps an organism survive in its environment, is closest to the surface, sunlight zone , this is the only area where and more.
It's no accident that protoplasm, a substance found in every living cell, strongly resembles seawater.
Adaptation is a trait that enables an organism to live in its environment. Adaption occurs in three ways: Behavioural adaptation relates to the behaviour of the organism. For example, fish swim in schools or large numbers to protect members of the group from predators. Structural adaptation relates to the organism’s physical features.
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In a tide pool, as in the photo, what organisms are found where and what specific adaptations do they have to that zone? The mussels on the top left have hard shells for protection and to prevent drying because they are often not covered by water.
