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1.About 100 people left England and settled on an island nearby which had no human beings. On this new island, you find that most people have blue eyes. This effect is best described as
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- 6. A type of deep water fish, called Loosejaws, have evolved the adaptation to produce red light. How would this be advantageous for them?1. Why do human have different eye colour? 2. What is the reason behind the variation of eye colour1. Our new mode of teaching and learning which is full online requires us to be using our computers, mobile phones and other gadgets most of the time which might cause the eyes and ears to be prone to problems. Given such set up, how can we help protect our eyes and ears from future problems? Suggest some practical tips on how can we stay healthy.
- 15. Our brain is constantly being fooled by what it sees. What we are trying to see is not the world as it is, but we are actually generating perceptions of the world that is useful to see. True or False? Why?Please ASAP Thank you. 1. What is the basis for human color vision? a. Different spectral sensitivity of the three different kinds of retinal cones b. Different spectral sensitivity of rods c. Spectral filters in the eye that separate light into its spectral components before it reaches the retina d. Processing that occurs in the neural circuits in the retina 2. Imagine yourself locked in a room without any light source for 30 minutes. Then let’s imagine that someone shines a red light in the corner of the room. One should expect that the rod cells in your retina will: a. Be more sensitive to the red light after the 30 minutes of darkness as compared to earlier b. Be less sensitive to the red light after the 30 minutes of darkness as compared to earlier c. Be equally sensitive to the red light as before the 30 minutes of darkness e. Rod cells do not respond to red light5. My cat Mia has poor color vision, but can see very well in dark environments. What characteristic of her retina could best explain this? a. It mostly has ON bipolar cells b. It mostly has OFF bipolar cells c. It has many more rods than cones, particularly around the fovea d. It has many more cones than rods, particularly around the fovea e. It has very few photoreceptors and many more retinal ganglion cells
- 4.When transitioning from a pitch black room, to a sunny room where there is a lot of light, what happens to the cells in the retina? Group of answer choices a.Rod cells will release less glutamate b.Rod cells will release more glutamate c.Ganglion cells will release less glutamate d.Ganglion cells will release more glutamate4. When transitioning from a pitch black room, to a sunny room where there is a lot of light, what happens to the cells in the retina? Group of answer choices a. Rod cells will release less glutamate b. Rod cells will release more glutamate c. Ganglion cells will release less glutamate d. Ganglion cells will release more glutamate1. Why do some people cite the human eye as an example of something that could not have arisen through biological evolution?
- 2. On a sunny day, you enter a dimly lit room and see an apple. At first, the apple looks like the image on the left. What happens in the eye to make the apple look like the image on the right? What the eye "sees" r A. The lens roundness increases. B. The lens roundness decreases. C. The pupil diameter increases. O D. The pupil diameter decreases. What the eye "sees" J3. Put the following events in order beginning with the event that happens first in order for one to have the sense of hearing: ___The stapes vibrates, putting pressure on the oval window of the cochlea. ___The malleus vibrates. ___The incus vibrates. ___The perilymph moves in waves. ___The endolymph moves in waves. ___Nerve impulses are carried away from the ear by the cochlear nerve. ___Hair cells in the cochlea initiate nerve impulses. ___Impulses reach the temporal lobe of the cerebrum. ___Sound waves are funneled by the pinna (auricle) into the external auditory canal. ___The tympanic membrane (eardrum) vibrates.5. In one of Robert Sapolsky's baboon study groups, there was an incident where they ate food left over from tourists and, in turn, contracted tuberculosis. Since the high ranking males were the ones to eat most of the food, they were the ones that died off. The baboon group was left with many females and several low ranking males ("nice guys"). How did this change the culture of the baboon troop? Do you think that human society can change to be like this group if we understand more about stress and its effects on our society? Can we survive without stress?