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Transcript of Classification
Genus is the classification group after Family and before Species. A genus is a scientific way of showing that species are very closed related to each other. In fact the first word of the species' scientific name is its genus. So for lions (Panthera leo), Panthera is the genus and tells us that they are closely related to tigers (Panthera tigris), because they share the name.
Species is the Classification group after Genus. The Species is in fact the actual name of the Animal or plants etc. Species is also group of organisms that can interbreed and produce healthy offspring which can themselves breed. Wolves and dogs can produce fertile puppies, so they are both the same species (Canis lupus), but mules are usually sterile so horses and donkeys are different species.
Phylum is a group of Classification after Kingdom and before Class. A phylum is a scientfic way of grouping together related organisms. All the members of a phylum have a common ancestor and anatomical similarities. For instance, all the arthropods have external skeletons. Phlya are large groups and are further subdivided into classes, orders, families etc.
Family is the group of classification after Order and before Genus. Family is a scientific grouping of closely related organisms. It has smaller groups within it called genus and species. A family can have a lot of members or only a few. Examples of families include the cats (Felidae), the gulls (Laridae) and the grasses (Poaceae).
Different types of living things are put into groups so it is easier to classify them. This is called Classification. The branch in Biology that is to do with Classification is called taxonomy. The people that study this are called Taxonomists. In 1753, Carolus Linnaeus, invented a new way of grouping and naming living things that most scientists use today. They are put into 7 groups...
The 5 Kingdoms
Plantae, mainly called plants are Eukaryotes and they are sorted into 7 groups.
The animal kingdom is devided into two groups: vertebrates and invertebrates. Animals that are vertebrates are animals that have a backbone or an internal skeleton (also known as endoskeleton) (such as snakes or fish). Animals that are invertebrates are animals that dont have a backbone (such as spiders or worms)
Fungi is another kingdom tht's in the large group of Eukaryote. It contains on molds and yeast but it is mostly known for mushrooms.
Protista, also in the Eukaryotes group, contains of both Algae (plant-like) and Protozoa (animal-like). Living things that are classified to be in the protista kingdom all need a water-based environment: which can be fresh or marine water, snow, damp soil, polar bear hair etc.
Bacteria is the only kingdom that is in the Prokaryotes group. They are very small and cannot be seen with naked eye. Bacteria have a wide range of shapes, ranging from spheres to rods and spirals. Bacteria were among the first forms of life to appear on Earth, and are present in most habitats on the planet.
The first and biggest group is called 'Kingdom'. Kingdom contains of 5 groups also called the 5 Kingdoms. They are used to sort out different types of Kingdoms which is used a lot for dichotomous keys.
The plant kingdomis devided into two groups: Bryophytes and Tracheophytes.
Tracheophytes are plants that contain vascular tissue. They are devided into two groups: seeds and no seeds.
Bryophytes have no vascular tissue and are found in damp places. Bryophyts are formed of two groups: Thick, leathery leaves and small, delicate leaves. The bryophyts with small delicate leaves are plants such as Mosses and the Bryophytes with thick leathery leaves are plants such as Liverworts.
Tracheophytes with no seeds are called Pteridophytes which are plants like Ferns.
Tracheophytes that have seeds are again devided into two groups: Gymnosperms and Angiosperms. Gymnosperms have no flower and there are seeds in it's cones. An example of that is Conifers. Angiosperms are flowering plants. they have flowers with seeds.
Video of Classification
Class is a group of Classification after Phylum and before order. Class is the scientific way to group related organisms together. eg. jellyfish, reptiles and sea urchins. Classes are big groups that contain smaller groupings called orders, families, genus and species within them.
Corals and sea anemones
Crabs, shrimp and krill
Sea scorpions (order)
Giant kelps (genus)
Modern conifers (order)
Snails and slugs
Hat thrower fungus (species)
Order is another group of classification after Class but before Family. Order is the group that contains of Family, genus and species.
The scientific name for a mountain lion is Puma Concolor, so by using classification, we can find out each group and their names. So the order for the mountain lion is Carnivora which technicaly means carnivore.
To make Classification easier to understand, scientists use a key called the dichotomous key. There are three types of dichotomous keys:
Branching, circular and Tabular.
Jacplus science quest chapter3 classification