In subsequent citations, only use the first author's last name followed by et al. in the signal phrase or in parentheses. (Kernis et al., 1993). In et al. , et should not be followed by a period.
Transcript of Hammerhead Shark Eyes. Structure of Eye. The structure of a hammerhead sharks eye is very similar to the human eye, they have a cornea, lens, retina, pupil and iris. Their retina has both cone and rod cells, which means they can see light, dark, and colours.
Learn some of the imperative hammerhead shark facts for kids including hammerhead sharks diet, habitat, and species. The hammerhead sharks are the group of sharks that belong to the Sphyrnidae and are literally known for their flat-stretched heads.These hammerhead sharks are being put in the genus Sphyrna.Hammerhead sharks inhabit all along the tepid waters and other coastlines and continental shelves.he hammerhead sharks are the group of sharks that belong to the Sphyrnidae and are literally known for their flat-stretched heads. These hammerhead sharks are being put in the genus Sphyrna.