List of sentient species in the Talin Galaxy
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This is a list of sentient species in the Talin Galaxy. Sentient species are sometimes erroneously referred to as races, which more accurately refers to groups or subspecies within a species. This list does not include creatures or plants, nor does it include individuals.
Lifeforms
The five characteristics of lifeforms are organization (a distinct form and appearance), irritability (the ability to respond to external stimuli), metabolism (the ability to convert energy to stay alive), reproduction (the ability to create new lifeforms), and adaptation (the ability to change as their environments change).
The predominant form of sentient life in the galaxy are carbon-based lifeforms. However, other forms of sentient life does exist, such as silicon-based or energy-based lifeforms. Across all species, the majority are oxygen breathers, although a number breathe other substances such as ammonia, methane, helium and other gasses. Despite these differences, most species are easily classified into a number of distinct categories:
Mammalian
Mammalian sentient species are warm-blooded vertebrates, who nourish young through secretions from mammary glands. Most mammals are covered in hair. The following are examples:
Reptilian
Reptilian sentient species are cold-blooded vertebrates, typically covered in scales or bony plates. They typically evolved from species such as lizards, snakes and crocodiles. Most reptiles are land based, and lay eggs to reproduce. Non-humanoid reptilian species also exist. The following are examples:
Insect
Insect sentient species are arthropods, with defined body segments; most commonly head, thorax and abdomen. Many have hard exoskeletons and wings, and can have any number of segmented legs. Some insectoid species have evolved into different forms, such as humanoid insect species. The following are examples:
Aquatic
Aquatic sentient species are those descended from marine life. These lifeforms often fit into other categories, but are classified together. Aquatic lifeforms include those that can breathe water, air, or both. The following are examples:
Avian
Avian sentient species are warm-blooded, feathered and winged creatures. They typically have light bones and strong muscles, needed to enable flight. However, many sentient avian species have lost the ability to fly. The following are examples:
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Plant
Plant sentient species synthesize energy from water, nutrients and sunlight. They are usually immobile, although some species are able to move to seek better soil, light or nutrients. The following are examples:
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Hard
Hard invertebrates have hard outer bodies with no internal skeleton. These often include crustaceans and some flying creatures. While this classification also includes insectoid species, they are grouped separately. The following are examples:
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Soft
Soft invertebrates are descended from soft-bodied species with no bones, such as octopi, slugs and worms. The following are examples:
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