Structure and function of the human eye Eye is not the same eye in the animal kingdom. Although the human eye belongs to the vertebrate eyes, but differs in structure and function in some cases significantly from the eyes of other vertebrates. For example, in terms of day-night vision (cats as excellent night hunters), color vision (dogs are red-green-blind) or the size of the visual field (fruit with almost 360 * view).
Characteristics Name: Alder Latin name: Alnus Number of species: about 30 species of alder Family: Europe, Asia, North America, South America Fruits: small nutlets Flowering period: March-April Height: 30 - 40 meters Age: 80 - 120 years Properties of the bark: ? Characteristics of the wood: soft Locations of the tree: moist soils Leaf: 5-10cm long, ovate, green color Interesting about the alder The genus of alder (Alnus) includes about 30 species worldwide, of which gray alder (white Alder), green alder (alder alder) and the black alder three representatives emerge.
Structure and function of the taste bud The taste buds in the oral mucosa are an essential part of the gustatory perception. At the receptors, the food molecules come into contact with the taste spores embedded in the oral mucosa. The name taste bud comes from its bud-like form, which resembles an onion.
Characteristics Name: Magpie Latin name: Pica pica Class: Birds Height: up to 50cm Weight: ca. 200g Age: 1 - 8 years Appearance: black-white Gender Dimorphism: yes Nutrition Type: omnivore Food: insects, amphibians, bird eggs, Seeds, Carrion Distribution: Asia, Europe, North Africa Original Origin: unknown Sleep-Awake-Rhythm: diurnal Habitat: non-specific Natural enemies: birds of prey, martens Sexual maturity: after six months mating season: March - May breeding season: 17 - 20 days clutch size: 4 - 8 Eggs Social Behavior: Family Association Critically Endangered: No You can find more profiles of animals in the Encyclopaedia of Animals.
Characteristics Name: Spruce Latin name: Picea Number of species: approx. 50 species Distribution: North America, Europe, Asia Fruits: approx. 0.5cm large seeds Flowering period: April - June Height: 30-70m Age: up to 500 years Properties of the bark : depending on the species red or brown colored, scaly bark layer Characteristics of the wood: yellowish-white, massive, heavy Locations of the tree: moist, ventilated breeze; at altitudes up to 2000m needles: evergreen, 2-5cm long needles Interesting about the spruce The genus of spruce (Picea) includes about 50 different species, of which only the Norway spruce is native to Europe.
Characteristics Name: Aga toad Other names: Aga, giant toad Latin name: Bufo marinus Class: amphibians Size: 12 - 22cm Weight: 700 - 1500g Age: up to 30 years Appearance: brownish, ocher and olive Gender dimorphism: yes Nutrition type Carnivore (carnivor ) Food: Insects, worms, snails Distribution: Central America, Oceania Original Origin: Central America Sleep / wake cycle: nocturnal Habitat: wetlands, tropical rainforest, grass and pasture Natural enemies: no Sexual maturity: around the age of two Mating season: throughout the year Number of potential Offspring: 10.
Characteristics Name: Hornet Latin name: Vespa crabro Class: Insects Size: 1,5 - 3,0cm Weight:? Age: 4 - 8 weeks (female) or one year (queen) Appearance: yellow-black Sex Dimorphism: yes Food: fallen fruit, plant juices Distribution: Asia, Europe, North America Sleep Awake: nocturnal and nocturnal Habitat: Forests, Meadows Natural enemies: Birds Sexual maturity: September - October Mating season: September - October Social behavior: Nationally-formed insect Endangered species: Endangered You will find further profiles of animals in the Encyclopaedia of Animals.
Characteristics Name: Goose Latin name: Anserinae Class: Birds Size: 80 - 90cm Weight: 6 - 10kg Age: 10 - 20 years Appearance: white Sex dimorphism: No Diet type: Herbivore (herbivor) Food: Grasses, Plants, Roots Origin: Europe, Asia Sleep-wake-up rhythm: diurnal Habitat: Freshwater lakes, freshwater rivers Natural enemies: foxes, birds of prey Sexual maturity: 3 - 5 years Mating season: February - April Hatching season: approx.
Characteristics Name: Cockroach More names: Cockroach, Cockroach Latin name: Blattodea (Cockroaches) Class: Insects Size: 1 - 10cm Weight: 5 - 20g Age: 6 - 12 months Appearance: Red-brown to black shell Gender DIMorphism: Yes Diet type: Omnivore (omnivor) food: dead organic matter distribution: worldwide original origin: Africa sleep-wake cycle: diurnal habitat: non-specific natural enemies: u.
Characteristics Name: Chamois Other names: Gams, Chamois Latin name: Rupicapra rupicapra Class: mammals Size: 1 - 1.4m (head-hull length) Weight: 30 - 50kg Age: 10 - 20 years Appearance: reddish-brown to black-brown Fur, eel on back sex dimorphism: yes nutrition type: herbivore food: leaves, grasses, herbs, mosses distribution: Europe, Asia Minor, Caucasus origin: unknown sleep-wake cycle: diurnal habitat: high mountains natural enemies: bear, Golden Eagle, Wolf Sexually mature: approx.
Character Name: Praying Mantis Other Names: European Mantis Latin Name: Mantis religiosa Class: Insects Size: 7.5cm (female), 5.5cm (male) Weight: about 8g Age: 7 - 12 months Appearance: green Gender Dimorphism: Yes Diet type : Insectivore (insektivor) Food: Bees, flies, grasshoppers, spiders, wasps Origin: Africa Sleep-wake cycle: diurnal Habitat: forest, meadow Natural enemies: ants, wasps, birds Sexual maturity :?
Slow, slower, slowest ... Slow as a snail - this saying is true in every respect, because actually counts this known mollusk among the slowest species in the animal kingdom. In order to define the animal that moves at the lowest speed, however, one must take a closer look at different animal species, because even some mammals and some sea creatures show a true snail's pace when walking, crawling or climbing.
Characteristics Name: Pine Latin name: Pinus Number of species: approx. 100 Species Geographical site: Europe Fruits: pointed cones Flowering period: May Height: 30 - 40 meters Age: up to 700 years Bark characteristics:? Properties of the wood: reddish color, rich in resin Locations of the tree: sandy soils Needles: thin, blue-green needles Interesting facts about the pine The genus of the pine (Pinus) includes about 100 species worldwide (eg.
Characteristics Name: Pumpkin spider Other names: / Latin name: Araniella cucurbitina Class: Insects Size: 4 - 8 mm Weight:? Age: about 1 - 2 years Looks: yellow-green abdomen, dark green to brown legs Sex dimorphism: yes Nutrition type: Insectivore (insectivore) Food: flying insects such as flies, mosquitos or hoverflies Distribution: Europe, Asia, North America Original Origin: Eurasia Sleep / wake rhythm : diurnal Habitat: Meadows and forest edges, preferably coniferous forests Natural enemies: Insectivores Sexual maturity: towards the end of the first year Mating time: May - August Size of eggs: 100 - 150 Eggs Behavior: Lonely Endangered species: No You can find more species of animals in the Encyclopaedia.
Characteristics Name: Mackerel Other names: Atlantic mackerel Latin name: Scromber scrombus class: fish size: 30 - 50 cm weight: 2 - 5 kg age: 10 - 20 years looks: green, blue gender dimorphism: no food type: fish eater (piscivor) and Plankton eater (planktivor) food: juvenile fish, fish spawn, plankton distribution: Atlantic, North Sea and Baltic Sea, Mediterranean origin: unknown sleep-wake cycle: diurnal habitat: coastal areas natural enemies: tuna sexual maturity: from about the age of three mating season: May - July oviposition: 200.
Characteristics Name: Blackcap Other names: / Latin name: Sylvia atricapilla Class: birds Size: 13 - 15 cm Weight: 15 - 20 g Age: 5 - 8 years Looks: greyish plumage, black hooded males, females with reddish brown hoods Gender dimorphism: Yes Type of nutrition: preferably Insectivore (insektivor) Food: Berries, fruits, nectar and insects Origin: unknown Origin: unknown Sleep / wake cycle: active in daytime Habitat: preferably riparian and vegetation-rich natural predators: hawk, hawk, marten Sexual maturity: ab the second year of life mating season: April - May breeding season: 10 - 14 days litter size: 3 - 5 eggs social behavior:?
Overview From stimulus to arousal ... Neurobiology deals with the molecular and cytological basis of information processing in the nervous system. In this learning module, it is mainly about the processing and transmission of excitations, which were previously absorbed by sensory cells, and converted into an electrical stimulus.
What happens during oogenesis? Oogenesis (Greek oon = egg, genesis = origin, genesis) includes egg formation and maturation. The formation of eggs takes place in mammals essentially prdnatal, ie before birth. These Ureizellen (Oogonien) multiply by Mitose in the ovaries.
What happens during meiosis? If one looks at the karyogram of an egg or sperm cell, one recognizes that these only consist of 23 chromosomes. All other human cells, e.g. Skin cells, on the other hand, consist of 46 chromosomes. There is a special reason for this: Fusion of the egg and somatic cell also leads to a fusion of the chromosome set.
Characteristics Name: Barn Swallow Other names: / Latin name: Hirundo rustica Class: Birds Height: 17 - 20cm Weight: 16 - 25g Age: 3 - 8 years Appearance: Abdominal face white, back plumage dark blue to bluish-black Sex dimorphism: low nutritional Type of nutrition: Insectivore ) Food: flies, beetles, mosquitos distribution: worldwide original origin: unknown sleep-wake-rhythm: diurnal habitat: open landscapes with low vegetation natural enemies: owl, hawk, hawk mating-to-maturity: with the second year of life mating season: March - April breeding season: about 14 - 18 days nest size: 2 - 7 eggs Endangered species: no You can find further animal species in the Encyclopaedia of Animals.