Insects Reptiles Fish and birds Biology essay
~ Reptiles, birds, land snails and insects excrete nitrogenous waste in the form of. is precipitated and remains only with the shell. This problem does not occur in egg-laying fish or amphibians because they have shellless eggs, which allow ammonia or urea to diffuse out. Small solid and four lobes or colliculus called as biology CBSE.Abstract. This chapter emphasizes the ecological significance and discusses the conservation requirements of various species of birds, reptiles, fish, parasites and arachnids that are critically endangered. Various etiological factors and threats to the endangered birds are also discussed in detail to provide a scientific basis. Agricultural ornithology is concerned with the role of birds in pollination, seed dispersal, crop pest control, crop grain management and the associated ecosystem. Services. Birds play an important role. Biological definition: Aves is a taxonomic class of birds. The class belongs to the phylum Chordata-chordates. Some of their common features: oviparous reproduction, complete double circulatory system, modified forelimbs with wings, feathers and beak without teeth, except for some Mesozoic fossil birds which have conical teeth in both jaws. Colloquially, "insect" usually refers to well-known pests or disease vectors, such as bed bugs, house flies, moths, Japanese beetles, aphids, mosquitoes, fleas, horseflies and hornets, or to conspicuous groups, such as butterflies and moths. , and beetles. However, many insects are useful from a human point of view. Animal Groups: Science Vocabulary Readers Set: Exciting nonfiction books that build children's vocabulary: mammals, birds, reptiles, amphibians, fish, insects Science Vocabulary Readers, 2010- 05-03 Paperback - by Liza Charlesworth Author 4. 7. Deinonychus is the genus name of an extinct dinosaur considered one of the closest non-avian relatives of modern birds. He lived a million years ago in what is now North America. Deinonychus was a predatory carnivore with many bird-like features. For example, it had feathers and wings.Academic Year. Description: These are the notes from Marine Biology. Major key points include: Marine Reptiles, Fishy Vertebrates, Tetrapods, Terrestrial Vertebrates, Seabirds, Marine Mammals, Marine Iguana, Saltwater Crocodile, Completely Aquatic Existence, Species of Sea Turtles. Show moreThe characteristics of the organisms present in the amphibian class are as follows: These can live on land as well as in water. They are ectothermic animals, found in warm environments. Their body is divided into head and trunk. The tail may or may not be present. The skin is smooth and rough, without scales, but with glands that take care of them. Birds and reptiles may seem like vastly different creatures, but they actually have several similarities. One commonality is their varied diet and feeding habits. Both birds and reptiles are known to eat a variety of foods depending on their species and habitat. In terms of locomotion, both groups also exhibit unique ways of getting around.