This page discusses chromatophores, irregularly shaped pigment cells found in animals like crustaceans, cephalopods, lizards, amphibians, and some fish. Their main function is camouflage, with variati...This page discusses chromatophores, irregularly shaped pigment cells found in animals like crustaceans, cephalopods, lizards, amphibians, and some fish. Their main function is camouflage, with variations by species. Cephalopods can swiftly change color due to muscle activity, while crustaceans and amphibians have fixed shapes that change color through granule movement, regulated by hormones.
This page explains that chlorophyll exists as types a and b, found in plants and green algae, which absorb red and violet light while reflecting green. Both types are linked to proteins in thylakoid m...This page explains that chlorophyll exists as types a and b, found in plants and green algae, which absorb red and violet light while reflecting green. Both types are linked to proteins in thylakoid membranes. It also mentions carotenoids, which absorb blue light and appear in various colors; they become visible in autumn and include beta-carotene, a vitamin A precursor for animals.
