Species such as the jackknife fish (Equetus lanceolatus), high-hat (Equetus acuminatus) and some angel fishes (Pomacanthidae), have dark lines that run through the eyes.These lines may serve to hide the eyes so that other animals can not tell where the fish is looking or even if it is a fish. This is the situation in the natural world organisms inhabit. Forked or indented tails are seen in fish that rely on swimming rapidly for long periods of time. These papers discuss how aquatic environments may change due to global warming, how species might respond, and what management options are available. Amphibian Adaptations. This is an example of convergent evolution: the adaptive evolution of similar structures in unrelated species to the same environment. Microorganisms are the key components of aquatic environment. An adaptation is a behavioral, structural, or physiological trait that increases a species’ chance of survival in a specific environment. The ancient Greek philosopher Heraclitus originated the theory that things are constantly changing -- and the saying, "The only constant is change," is attributed to him. It's no accident that protoplasm, a substance found in every living cell, strongly resembles seawater. For amphibians, limbs and lungs were two of the most important adaptations as the former helped them move around without having to depend on the buoyancy of water, and latter replaced the gills to facilitate respiration. Some differences in locomotion between fish highlight more specific adaptations to individual ecologic niches. Most modifications are adaptations to very dry (arid) environments. 10 Animal Adaptations To Hostile Environments. This chapter describes the general characteristics, organization, composition, and functioning of the microbial habitats—planktonic, sediment or … That’s what it takes for life to survive. Every living thing has adapted to fit with where it lives. Fish can also have disruptive markings to hide body parts. Variation of Environmental Adaptation. The ability to adapt to underwater environments. Plants which live in extreme environments have adaptations to control their transpiration rate. Aquatic organisms use adaptations, or special traits that help them survive in an environment, to stay at homeostasis, which is a fancy word for being at balance. Such adaptation may be beneficial in an era of increasingly erratic weather events. Water plants have no problem of water shortage. Discuss how adaptations allowed plants to move from an aquatic environment to the variety of habitats they inhabit today. Mother Nature is a very stubborn character. The Three Types of Environmental Adaptations. Aquatic environments include inland surface water, seas, and ground water. She always tries to conquer whatever harsh environment the relentless forces of our planet have managed to create, and it is in such extreme conditions where the ingenuity of the natural world can be admired most. ... native species are adapted to extreme fluctuations (16). Plants modified to cope with a lack of water are called xerophytes. They do not need adaptations to conserve water as desert plants. Aquatic organisms live in water and have adaptations to … Victor Pintilie.