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The eyes of the larvae are underdeveloped, but are capable of discriminating changes in illuminance. [52] Ammocoetes can grow from 3–4 inches (8–10 centimetres) to about 8 inches (20 cm). [ 53 ] [ 54 ] Many species change color during a diurnal cycle , becoming dark at day and pale at night. [ 55 ]
Taenia solium, the pork tapeworm, belongs to the cyclophyllid cestode family Taeniidae. It is found throughout the world and is most common in countries where pork is eaten. It is a tapeworm that uses humans as its definitive host and pigs as the intermediate or secondary hosts. It is transmitted to pigs through human feces that contain the ...
Caterpillar of the subfamily Arctiinae. Eggs of the buff-tip ( Phalera bucephala ), a notodontid moth. The external morphology of Lepidoptera is the physiological structure of the bodies of insects belonging to the order Lepidoptera, also known as butterflies and moths. Lepidoptera are distinguished from other orders by the presence of scales ...
Magicicada septendecim [ 1 ] ( Linnaeus, 1758) The term periodical cicada is commonly used to refer to any of the seven species of the genus Magicicada of eastern North America, the 13- and 17-year cicadas. They are called periodical because nearly all individuals in a local population are developmentally synchronized and emerge in the same year.
The trophi, or mouthparts of a locust, a typical chewing insect: 1 Labrum. 2 Mandibles; 3 Maxillae. 4 Labium. 5 Hypopharynx. Examples of chewing insects include dragonflies, grasshoppers and beetles. Some insects do not have chewing mouthparts as adults but chew solid food in their larval phase.
Salamanders are a group of amphibians typically characterized by their lizard -like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults. All ten extant salamander families are grouped together under the order Urodela from the group Caudata. [2]
Genus: Convallaria. Species: C. majalis. Binomial name. Convallaria majalis. L. 19th-century illustration. Lily of the valley ( Convallaria majalis ; / ˌkɒnvəˈleɪriə məˈdʒeɪlɪs / ), [ 2] sometimes written lily-of-the-valley, [ 3] is a woodland flowering plant with sweetly scented, pendent, bell-shaped white flowers borne in sprays in ...
Gastropods ( / ˈɡæstrəpɒdz / ), commonly known as slugs and snails, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ( / ɡæsˈtrɒpədə / ). [5] This class comprises snails and slugs from saltwater, freshwater, and from the land. There are many thousands of species of sea snails and slugs ...