Free Biology notes-Biology notes with diagrams and practicals

                                  Fungia  Habit and Habitat- Fungia are found on rubble or soft bottom area that are protected from strong water movement. Distribution- Fungia are found growing on reefs in the Indo-pacific region. Characteristics  Fungia are generally solitary, some attaining 30cm in diameter. They are found in various bright colourless including white,pink, red, purple, blue Nd yellow and are popular with keepers of reef aquariums. The discs are either round or oval and central mouth, which is surrounded by tentacles, maybe a slit. The polyp sits in a calcareous cup, called the corallite. Feeding tentacles are visible at night. Fungia also reproduce asexually. Daughter colonies/ polyps may form and they will form off springs from broken pieces, they show regeneration.

                                    Chameleon  #Comments:-  Habit and Habitat=> Chameleon have adapted to a large variety of ecosystems. They can be found in tropical rainforests, savannas, and even deserts. The majority of Chameleon species live in trees, but a few species live on the ground too. Chameleons are best known for their ability to camouflage by changing their body color. They are acrodonts i.e. their teeth are attached to the edge of the jaw. They have a pair of eyes, which can move independently. A group of atrophied venom glands is present which produce harmless and trace amounts of venom. The tongue is long and is kept in rolled manner inside the mouth which can go into a projectile as soon as a prey comes in its range. They have prehensile (capable of grasping) tails that can wrap I'm a coil-like manner around limbs to maintain balance. Most species are egg layers.

                                    Trionyx #Comments Habit and Habitat:- Trionyx is widely distributed in India, North America, Africa, Asia, and Malaysia. It is a common fresh-water and pond turtle. Commonly called as tortoise or soft river terrapin. The body of Trionyx is oval-shaped. No horny cover on carapace but a soft leathery shell is present. Head pointed and triangular produced into a beak.  Teeth absent in trionyx. They have webbed feet. They are carnivorous in nature. Head, neck, limbs are retractile. It is oviparous and eggs are laid outside water. Only neck and tail vertebrae is movable.