By Sherman Hollar
Unique by way of their hugely built psychological schools and their ability for cause, people are frequently stated to reign sovereign within the animal nation. With their advanced interactions, tricky social constructions, and large variety of displayed feelings, even though, all creatures should be stated to give a contribution uniquely to the planet and to the subsistence of all different beings. This colourful quantity surveys a few of the participants of the animal nation and the conduct, behaviors, and actual features that unite and distinguish all animals.
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Extra info for A Closer Look at the Animal Kingdom (Introduction to Biology)
52 AnImAls wIthout BAckBones Roundworms Roundworms, unlike flatworms, have a digestive tube with two openings—a mouth and an anus through which wastes are expelled. Roundworms, which make up the phylum Nematoda, are also called nematodes. Roundworms are among the most abundant of all animals and are found in a wide variety of environments. Parasitic roundworms are responsible for a number of diseases in humans, including trichinosis and hookworm disease. Nematodes like these roundworms are the most numerous of larger decomposers in compost.
It probably helps fish sense movements in the surrounding water. 41 A closer look At the AnImAl kIngdom Fennecs, like these shown at the Cabosse animal park in Jurques, France, are noted for their large ears. Mychele Daniau/AFP/Getty Images 42 clAssIfIcAtIon And BehAVIor The delicate forked tongue of the snake tastes the air. With it the snake can locate food and other snakes. The rattlesnake has sensory pits on the head that can detect the infrared radiation, or heat, from nearby animals, enabling it to locate potential prey in the dark.
Certain bats eat so many mosquitoes and other insects that some communities have erected shelters for bats to encourage them to stay in the area. Hyenas, vultures, and carrion beetles keep regions clean by devouring dead animals. Countless animal products are used by humans: pearls (from the oyster), shellac and lacquer (from the lac insect), glue, and fertilizers are only a few examples. Important drugs are produced from the blood and glands of certain animals. Horses and other animals serve as hosts for producing antivenins for snakebite that are obtained from their blood.
A Closer Look at the Animal Kingdom (Introduction to Biology) by Sherman Hollar