1. Identify the range of senses involved in communication • Sight (visual communication), Touch (tactile communication), Taste, Hearing (auditory communication), Smell (olfactory communication) 2. Identify the limited range of wavelengths and named parts of the electromagnetic spectrum detected by humans and compare this range with those of THREE other named vertebrates and TWO named invertebrates. Figure 1: the electromagnetic spectrum source: www.ces.fau.edu Vertebrates Human Japanese Dace Fish Rattlesnake Zebra Finch Part of electromagnetic spectrum detected ROYGBV (visible light) detected by light sensitive cells in the eye called rods and cones. Trichromatic Ultraviolet and ROYGBV (visible light) Infrared and visible – small heat …show more content…
Suggest reasons for the differences in range of electromagnetic radiation detected by humans and other animals. Humans and other animals can detect different ranges of electromagnetic radiation due to their varying functions; this better suits them to their environment. Humans are able to see visible light (ROYGBV) only, as this allows them to distinguish between different objects and foods; ultraviolet and infrared vision is not necessary for their survival. Other animals have adaptive advantages to their environment, for example: • The Rattlesnake is able to detect infrared light via pits under their eyes. This allows them to easily detect their pray when hunting at night, giving them a better chance of finding food. • The honeybee detects ultraviolet light patterns on flowers via the photoreceptors in their eyes, allowing them to distinguish between those with pollen/nectar and those without. • The Japanese Dace Fish is able to detect UV light, assisting in mate selection and detection of prey- hence helping survival as prey is able to be
Two human receptor-making genes are similar to those in other mammals. This implies that human color vision began when one of the genes in other mammals duplicated and copies specialized over time for different light sources. The switch to color vision correlates to a switch from a monochromatic forest to one with a multitude of colors in
Colour has three unique components which differ the chromatic from achromatic light, they are hue, saturation and intensity. Reporting a colour on these terms can be highly individual, but each can be illustrated by examining the spectrum. Naturally occurring colours are not just light at one wavelength, they contains a wide range of wavelengths. A colour’s "hue" tells which wavelength standout to be most prominent. The below spectrum likely to be perceived as bluish, even though it has wavelengths throughout
Opsins: it 's a protein in eye retina and its sensitive to the light, its involved in sending signals when exposure to light and become visual images. Spectrum: it 's a group of colors such as in rainbow, caused by the different components of
Many people like to use tanning beds to sustain a nice summer tan all year round. Tanning beds are beds that use ultraviolet rays (UV) to give the user a cosmetic tan. Each suntanning bed contains a set of Fluorescent lights to shine on the user giving them the sun kissed look.
Cells in our bodies recognize them since the beginning of evolution. If you use polarized sunglasses while driving, non-polarized light is converted into polarized light thus removing glare from oncoming traffic. Polarized waves are more likely to interfere with organic material such as biological tissues as the latter contain charged polar molecules. The interference occurs in the form of inducing forced vibrations in the charged/polar molecules of living tissues.
From the spectroscope, we could the see different clearer clusters of spectra from various sources of light and elements. These instruments allow you to look at forms of visible light. Describe an experience that told you there were other forms of radiation that affect us which we are not able to observe directly. From the infrared selfie, we could see other forms
For humans there are 3 different types of cones, dog have 2, and butterflies have 5, but the creature that have the most are the mantis shrimp. They have 16 different color cones, and can detect circular polarized light, the only animal that can. This shrimp could see colors that we couldn’t even imagine, colors that we couldn’t even see in our dreams. It can see ultraviolet light, and several different bands we couldn’t even imagine. But the mantis shrimp isn’t what we thought of.
The different wavelengths of visible light (Randy M. Russell, Windows to the Universe,
Lighting: Light is crucial for the perception and recognition of color. It’s also necessary to have a colored surface from which light can be reflected into the eyes. The perception of color is influenced or altered by the change in the wavelengths of light contained in this reflected light and their relative power. Not all people can perceive colors, visually impaired people may not be able to perceive some or all colors, as well as some people who are not recognized as visually impaired but also cannot perceive them.
Introduction Numerous species have evolved to exhibit some form of camouflage, which is an adaptation that allows species to blend in with certain aspects of their environment. This impressive ability has become a common and taxonomically widespread adaptation that numerous prey species have adopted to reduce the likelihood of being either detected or recognized by predators. The theory of Natural Selection by Charles Darwin suggests that "those individuals who possess superior physical, behavioral, or other attributes are more likely to survive than those which are not so well endowed." (CITE) Having this ability increases the chances of a species probability of survival by hiding from predators.
An example of sensory accommodation would be when students jump or squint their eyes because of the light that was turned on, the students will adapt to the light afterwards. The two types of visual sensory receptors are the rods and cones; Rods are used for no color and are sensitive to light and cones are for color and are sensitive to bright colors. The visual pathway from the eye to the brain in order starts with the optic nerve then to the optic chiasm then to the thalamus then to the visual cortex.
It is not rocket science that there is biological reaction from our body to light. This happens every day and the best example is our eyes which are in general photosensitive. As a matter of fact, the whole vision is just light hitting the retinas which then create a chemical reaction which allows everyone to see. One of the simpler examples is when sunlight hits our skin, there is a biochemical reaction to it as vitamin D synthesizes. This also applies to sun tans where sun stimulates melanocytes to multiply making the skin brown.
Huaqing Ying Professor Frank Mayer PHS 208 Extra Credit-Research Paper Why animals’ eyes turn green in the dark I pet a cat when I lived with my parents, and she grows up with me for about five years. When I was young, I always wondered why her eyes glowed when she was hiding in a dark corner. So I did some research. Why animals’ eyes have colors The cat's eyes are similar to the human eye, and it also structure with the cornea, iris, lens, retina, and so on.
Colorful World Tutorial To summarize what I learned in the Colorful World tutorial, the current theory of color vision come from the two predominant scientific theories from Hering’s and Young-Helmholtz. The two theories have been combined to create the current unified theory of color vision that the first stage of color processing incorporates the trichromatic theory on how color is processed through cones and the second stage involves the opponent processing theory. Our tutorial and our text go into a great deal of detail on the dynamics of color vision and how we experience color. Our text states that “Our perception of color is primarily determined by the wavelength of light that an object reflects”.
Metaphysical issues of consciousness Before defining “Metaphysical issues of consciousness”, we need to define terms 'metaphysics' and 'consciousness' separately. Metaphysics The word metaphysics derive from the Greek word (meta- “beyond”, “upon”, “after”) and (Physics) i.e. beyond the physics. Metaphysics is the questions about the fundamental nature of reality. It explains the fundamental notions by which people understand the world.