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The common warthog is a medium-sized species, with a head-and-body length ranging from 0.9 to 1.5 m (2 ft 11 in to 4 ft 11 in), and shoulder height from 63.5 to 85 cm (25.0 to 33.5 in). Females, at 45 to 75 kg (99 to 165 lb), are smaller and lighter than males, at 60 to 150 kg (130 to 330 lb).
Southern warthog (P. a. sundevallii) Lönnberg, 1908 Widespread in the savannah of Sub-Saharan Africa from Senegal to Ethiopia down to South Africa, absent from heavily forested or desert areas. Size : A head-and-body length ranging from 0.9 to 1.5 m (2 ft 11 in to 4 ft 11 in), and shoulder height from 63.5 to 85 cm (25.0 to 33.5 in).
The desert warthog is an important host of the tsetse fly, [10] [11] and in some parts of its range efforts are being made to reduce warthog numbers because of this. [11] Specifically, P. aethiopicus was the preferred host for Glossina swynnertoni and G. pallidipes in a study by Weitz 1963.
The pig has a large head, with a long snout strengthened by a special prenasal bone and a disk of cartilage at the tip. [2] The snout is used to dig into the soil to find food and is an acute sense organ.
In animals, the process involves a sperm fusing with an ovum, which eventually leads to the development of an embryo. Depending on the animal species, the process can occur within the body of the female in internal fertilization, or outside in the case of external fertilization. The fertilized egg cell is known as the zygote. [2] [5]
Hemimetabolism or hemimetaboly, also called partial metamorphosis and paurometabolism, [1] is the mode of development of certain insects that includes three distinct stages: the egg, nymph, and the adult stage, or imago. These groups go through gradual changes; there is no pupal stage.
A life history strategy is the "age- and stage-specific patterns" [2] and timing of events that make up an organism's life, such as birth, weaning, maturation, death, etc. [3] These events, notably juvenile development, age of sexual maturity, first reproduction, number of offspring and level of parental investment, senescence and death, depend ...
In biology, a biological life cycle (or just life cycle when the biological context is clear) is a series of stages of the life of an organism, that begins as a zygote, often in an egg, and concludes as an adult that reproduces, producing an offspring in the form of a new zygote which then itself goes through the same series of stages, the ...