The feet of a gull showing webbed toes. Webbed toes is the common name for syndactyly affecting the feet. It is characterised by the fusion of two or more digits of the feet. This is normal in many birds, such as ducks; amphibians, such as frogs; and mammals, such as kangaroos.he feet of a gull showing webbed toes. Webbed toes is the common name for syndactyly affecting the feet. It is characterised by the fusion of two or more digits of the feet. This is normal in many birds, such as ducks; amphibians, such as frogs; and mammals, such as kangaroos.
The sporangia produce very tiny spores. Spores are different to seeds. They do not contain plant embryos or food stores. When the sporangia break open, the spores are released and dispersed by the wind.If the spore lands in a suitable environment, it can grow into a tiny plant called a gametophyte.he sporangia produce very tiny spores. Spores are different to seeds. They do not contain plant embryos or food stores. When the sporangia break open, the spores are released and dispersed by the wind.
Sporangia are formed at the end of aerial hyphae called sporangiophores. Rhizopus. Fungi are taxonomically classified according to the type of sexual spore that they form, but clinically, since most only exhibit asexual spores in the lab, are classified by asexual spore type.Sexual spores are usually produced in response to special circumstances, often changes in the environment.porangia are formed at the end of aerial hyphae called sporangiophores. Rhizopus. Fungi are taxonomically classified according to the type of sexual spore that they form, but clinically, since most only exhibit asexual spores in the lab, are classified by asexual spore type.