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Some aquatic species such as grebes are very careful when approaching and leaving the nest so as not to reveal the location.
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Some and aquatic
Some caecilians are aquatic but most live underground in burrows in damp soil, in rotten wood and under plant debris.
Some salamander species are fully aquatic throughout life, some take to the water intermittently, and some are entirely terrestrial as adults.
Some aquatic turtles, such as snapping turtles and soft-shelled turtles, have eyes closer to the top of the head.
Some aquatic leeches locate hosts by sensing movement and only attach when certain temperature and chemical cues are present.
Some orders of heterotardigrades are marine, others are terrestrial, but as for all tardigrades, all are aquatic in the sense that they must be surrounded by at least a film of moisture in order to be active-though they can survive in a dormant state if the habitat dries out.
Some other animals have evolved their own unique prints, especially those whose lifestyle involves climbing or grasping wet objects ; these include many primates, such as gorillas and chimpanzees, Australian koalas and aquatic mammal species such as the North American fisher.
Some swamps have hammocks, or dry-land protrusions, covered by aquatic vegetation, or vegetation that tolerates periodical inundation.
Some experts also recognize wet meadows and aquatic ecosystems as additional wetland types.
Some can, however, interfere with the life-cycles of some aquatic organisms, so care should be taken to prevent run-off of these products into streams, and excess product should not be washed down.
Some tunnelsnakes are aquatic or semi-aquatic, and have one or more set of fins or flippers in place of legs.
Some ecosystems, such as many wetlands, do not organize as a strict pyramid, because aquatic plants are not as productive as long-lived terrestrial plants such as trees.
Some other familiar examples of aquatic plants might include floating heart, water lily, lotus and water hyacinth.
Some aquatic plants are used by humans as a food source.
Some true water bugs ( Nepomorpha ) may also be fully aquatic for their entire life, but can leave the water to travel.
Some usually aquatic animals have acute bioelectric sensors providing a sense known as electroreception while migratory birds navigate in part by orienteering with respect to the Earth's magnetic field.
Some studies indicate that it is placed in a lineage ( the order Alismatales ), that also includes aroids ( Araceae ), Tofieldiaceae, and several families of aquatic monocots ( e. g., Alismataceae, Posidoniaceae ).
Some shell middens are processing remains: areas where aquatic resources were processed directly after harvest and prior to use or storage in a distant location.
Some aquatic species of Marsilea, especially those growing with their rhizome submerged, may have vegetative leaves that are dimorphic.
Some of the larger aquatic species mate by penis fencing, a duel in which each tries to impregnate the other, and the loser adopts the female role of developing the eggs.
Some Lyngbya species can also temporarily monopolize aquatic ecosystems when they form dense floating mats in the water.
Some ethoxylated materials have been controversial because of their widespread use and the toxicity to aquatic life of their degradation products, such as nonylphenol.
Some plants, invertebrates, sea mammals, and many flying species as aquatic birds, parrots, and bats have spread to new locations, either under their own power or due to freak events such as storms, or have been transported by human actions.
Some animals, relieved at the resurgence of water, jumped in, becoming fish and other aquatic animals.
Some public aquaria, such as the Oregon Coast Aquarium, Newport, Oregon, or the Monterey Bay Aquarium, have aquatic aviaries.
Some and species
Some species in the Plethodontidae have a weak zone at the base of the tail and if the salamander is in danger or if the tail is grabbed by a predator, it breaks off, a process known as autotomy.
Some species complete their development inside the egg and hatch directly into small frogs.
Some species are carnivorous at the tadpole stage, eating insects, smaller tadpoles and fish.
Some members of the genera Ambystoma and Dicamptodon have larvae that never fully develop into the adult form but this varies with species and with populations.
Some species of salamander emit a quiet squeak or yelp if attacked.
Some unicellular species rely entirely on external energy sources and have limited or no photosynthetic apparatus.
Some of the species of Allium are important food plants for example onions ( Allium cepa ), chives ( A. schoenoprasum ), garlic ( A. sativum and A. scordoprasum ), and leeks ( A. porrum ).
Some endangered species in British Columbia are: Vancouver Island marmot, Spotted Owl, American White Pelican, and badgers.
Some birds, especially corvids and parrots, are among the most intelligent animal species ; a number of bird species have been observed manufacturing and using tools, and many social species exhibit cultural transmission of knowledge across generations.
Some species, particularly songbirds and parrots, are popular as pets.
Some aspects of brain structure are common to almost the entire range of animals species ; others distinguish " advanced " brains from more primitive ones, or distinguish vertebrates from invertebrates.
Some suggest Neanderthal, Homo erectus, or Homo heidelbergensis to be the creature, but no remains of any of those species have been found in the Americas.
Some species of mold produce alpha-galactosidase, an anti-oligosaccharide enzyme, which humans can take to facilitate digestion of oligosaccharides in the small intestine.
Some species, such as the Lesser Dwarf Lemur, store fat at the hind legs and the base of the tail and hibernate.
Some rare species are viviparous.
Some cosmologists have proposed that Big Bang nucleosynthesis suggests there is a fourth " sterile " species of neutrino.
Some species and genera had a very wide distribution with only minor variations.
Some botanical species are trees having similar foliage to the Lauraceae due to convergent evolution.
Some of the country's most endangered species are the Harpy eagle, the Giant anteater, the Golden toad and the Jaguar.
* Some Dracocephalum, Glechoma and Calamintha species were formerly classified in Nepeta.
* Some crustaceans, such as the coconut crab, though mainly omnivorous, will prey on turtle hatchlings, smaller crabs species, rats, and carrion
Some species form packs or live in small family groups depending on the circumstances, including the type of available food.
Some canid species have also been trapped and hunted for their fur and, especially the gray wolf and the red fox, for sport.
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