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Arthropods ( / ˈɑːrθrəpɒd / ARTH-rə-pod) [ 22 ] are invertebrates in the phylum Arthropoda. They possess an exoskeleton with a cuticle made of chitin, often mineralised with calcium carbonate, a body with differentiated ( metameric) segments, and paired jointed appendages. In order to keep growing, they must go through stages of moulting ...
Angiopteris evecta is a self-supporting evergreen perennial fern with very large bipinnate fronds. The trunk-like rhizome is massive, measuring up to 1 m (3 ft 3 in) in diameter. The older portions of the rhizome lie on the ground while the newer growth may rise vertically up to 1.2 m (3 ft 11 in) high. The arching, glossy green fronds, which ...
Dicranopteris linearis is a common species of fern known by many common names, including Old World forked fern, uluhe ( Hawaiian ), and dilim ( Filipino ). It is one of the most widely distributed ferns of the wet Old World tropics and adjacent regions, including Polynesia and the Pacific. [ 3] In parts of the New World tropics its niche is ...
Plant anatomy or phytotomy is the general term for the study of the internal structure of plants. Originally, it included plant morphology, the description of the physical form and external structure of plants, but since the mid-20th century, plant anatomy has been considered a separate field referring only to internal plant structure. [ 1][ 2 ...
Senna tora is an herbaceous annual foetid herb. The plant can grow 30–90 centimetres (12–35 in) tall and consists of alternative pinnate leaves with leaflets mostly with three opposite pairs that are obovate in shape with a rounded tip. The leaves grow up to 3–4.5 centimeters long. The stems have distinct smelling foliage when young.
Anus. In mammals, invertebrates and most fish, [ 1][ 2] the anus ( pl.: anuses or ani; from Latin, 'ring' or 'circle') is the external body orifice at the exit end of the digestive tract ( bowel ), i.e. the opposite end from the mouth. Its function is to facilitate the expulsion of wastes that remain after digestion .
Davallia. Species: D. trichomanoides. Binomial name. Davallia trichomanoides. Blume. Davallia trichomanoides, also known as black rabbit's foot fern, is a fern in the family Davalliaceae which is found in tropical Asia. Its height is from 15 to 45 cm. Partial or full shade is required for the growth of it. It can survive in dryness.
Over 1.5 million living animal species have been described, of which around 1.05 million are insects, over 85,000 are molluscs, and around 65,000 are vertebrates. It has been estimated there are as many as 7.77 million animal species on Earth. Animal body lengths range from 8.5 μm (0.00033 in) to 33.6 m (110 ft).