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Mammals I
When we talk about animals in everyday conversation, we mostly talk about mammals. Mammals live in water, on land and in the air. Countless species of the most diverse sizes and appearances populate our earth. A clear classification is not always possible because of their adaptation to their different habitats.
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The Honey Bee
Untiringly, the honey bees fly from flower to flower, constantly in search of pollen and sweet nectar. These busy workers live together in a complex social system an insight into which is provided by this film. In vivid pictures, it describes the life of the honey bee in the bee colony and deals with the inhabi- tants of the beehive and their strict division of labour. It shows the worker bees foraging for food and communicating with each other in their characteristic way. The second part of the film illustrates how a new bee colony is formed and describes the course of a bee‘s year from the new queen to the mating flight and the brood cells and finally to the expulsion of the drones in the „slaughter of the drones“. The DVD and the didactically arranged worksheets are per- fectly suited for the classroom both as an introduction to the topic and as a tool for the pupils when working individually or preparing projects.
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Bats
Bats are the only mammals that can fly actively. In mythology they represent the dark element and were the inspiration behind the invention of vampire stories. On account of their nocturnal way of life and their dark appearance, they are considered scary by many people. But the nocturnal hunters are by no means keen on human blood. They mainly hunt insects, thus assuming an important role as natural pest controllers.
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Hunters and Hunted
The African night is not for sleeping. A lot is going on there. The hunters are lying in ambush and the preys are on alert. Predators are mammals. Scientifically they are called carnivores. But other predatory vertebrates such as cats, jackals, hyenas and crocodiles are colloquially termed »predators«. They feed on meat but are not very selective in doing so. As they are not specialised in one type of animal but eat all vertebrates as well as carrion, they are called opportunistic feeders, which means they target the food that is easiest for them to catch, in the shortest time and with minimum energy input.
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Mücken
Stechmücken, Schnaken, Gnitzen und 40 Mückenfamilien mehr bevölkern unsere Erde. Während sie uns an einem lauen Sommerabend voraussichtlich nur lästig erscheinen, sind sie seit rund 120 Millionen Jahren ein wichtiger Bestandteil unseres Ökosystems.
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Hecht
Der Hecht ist Fisch des Jahres 2016. Er ist einer unserer größten heimischen Raubfische. Sein Maul ist mit messerscharfen Zähnen gespickt.
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Bean
The word bean refers to both the seeds and the pods surrounding them and often even the whole bean plant. It is not easy to get an overview of the different types of bean plants. Their variety is due to, among other things, their different origins.
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Menstrual Cycle
It is a very special moment when you get your first period. And then we say: maybe this is worth a visit to the cinema for you and your parents or you go out for a meal together with your parents, without your siblings, or perhaps you have a little party or there is something special to eat, so don’t be shy. Dare to communicate this.
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Metabolic Disorder Diabetes
Big break in the school yard of the Freiherr vom Stein school. The pupils are talking or playing. Amidst them is Felix, twelve years old. He is always with them. Now it is necessary for him to measure his blood sugar because he has diabetes. The blood sugar level is permanently elevated in this disease.
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MedienLB has been producing award-winning school films and interactive modules for the classroom since 2006.
Birds
This DVD from the Vertebrates series comprehensively introduces birds by means of various examples of indigenous, tropical and polar bird species. Among other things, it provides information on typical bird characteristics such as skeleton and bone structure, structure and function of the beak and feathers as well as the principle of light-weightness. Impressive close-ups of prepared bird bones as well as of a feather’s vane serve to illustrate these aspects. The adaptability of birds to the environments of air, land and water as well as to different kinds of food are shown by means of the examples of typical representatives of the species such as eagle and falcon, emu, duck, moorhen and kingfisher. Here, the pupils also learn about the relation between diet and shape of beak. The reproduction and breeding of birds is illustrated with impressive outdoor pictures of courtship and nest-building with different bird species, the hatching of a chick, the raising of grey herons up to the squabs’ first attempts at flying. Furthermore, the menu includes additional pictures as well as a tabular list of the different breeding times of altricial and precocial birds. Thus, this DVD offers flexibility and variety in the classroom and is especially suited for interactive learning.
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Evolution
Of all mammals existing today, the primates have the oldest phylogenetic tree. This film shows on the basis of extant species of the order of primates, which we humans also belong to, the phylogenetic tendencies in evolution from the treeshrew to prosimians, monkeys and apes to the genus homo. Special emphasis is laid on the visible outward characteristics of the skull and its sense organs, changes in the position of the spinal column as well as the development of extremities and their adaptation to various habitats. Changes in the anatomy of the skull, the development of the eye socket and also the shifting of the eyes from the sides to the front position, the dental structure and development of the jaw bones and the changing proportions of the mandible skeleton and the brain case are demonstrated on genuine skulls. The film analyses in detail the evolutionary tendencies of primates and convincingly answers the question on the origins of their development.
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Ecosystem Lake
Lakes are stagnant waters that look quite peaceful to us. But the quiet is deceptive: above and below the water surface, life is anything but peaceful. Phytoplankton and zooplankton are eaten by small predators such as polyps or hydrachnidiae. Toebiters, dragonfly and beetle larvae are food for the water scorpion. As every animal feeds on different prey and in turn is eaten by various predators, a food web is created. The amount and variety of the lake inhabitants depends on the concentration of nutrients. In clear lakes, aquatic plants may spread down to a depth of 10 metres. Different zones with particular plant species are clearly visible. Also animals above the water profit from the rich underwater life, for example the waterfowl. Ever since the lake was formed, wind and waves have been carrying dead plants and animals to the shore, where they have sunk down and decomposed. At the same speed at which the lakeside grows, the water surface of the lake shrinks. With its extensive additional material the didactic DVD is ideally suited for use in the classroom.
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