Main article: Animal nutrition
on the whole animals are heterotrophs, meaning that they feed directly or indirectly on other living things.[28] They are often shape up subdivided into groups such as carnivores, herbivores, omnivores, and parasites.[29]
Predation is a biological interaction where a predator (a heterotroph that is hunting) feeds on its prey (the organism that is attacked).[30] Predators may or may not kill their prey prior(prenominal) to feeding on them, but the act of predation evermore results in the death of the prey.[31] The other main category of outgo is detritivory, the consumption of dead organic matter.[32] It can at times be difficult to separate the two feeding behaviours, for example, where bloodsucking species prey on a host organism and accordingly lay their eggs on it for their offspring to feed on its decaying corpse. Selective pressures imposed on one another has light-emitting diode to an evolutionary arms race between prey and predator, resulting in various antipredator adaptations.[33]
Most animals feed indirectly from the energy of sunlight. Plants practise this energy to convert sunlight into simple sugars using a process known as photosynthesis.
Starting with the molecules carbon dioxide (CO2) and piss (H2O), photosynthesis converts the energy of sunlight into chemical energy stored in the bonds of glucose (C6H12O6) and releases group O (O2). These sugars are then used as the building blocks which give up the plant to grow.[11] When animals eat these plants (or eat other animals which have eaten plants), the sugars produced by the plant are used by the animal.[34] They are either used directly to help the animal grow, or confounded down, releasing stored solar energy, and giving the animal the energy undeniable for motion.[35] This process is known as glycolysis.[36]
Animals living close to hydrothermal vents and icy seeps on the ocean floor are not low-level on the energy of sunlight.[37] Instead chemosynthetic archaea and bacteria form the base...If you extremity to get a full essay, order it on our website: Ordercustompaper.com
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