--%>
Assignment Help - homework help

Describe vision-Significant of Vision

Describe briefly the term vision? Why is vision significant for life on the earth?

E

Expert

Verified

Vision is capability of some living beings to perceive, to differentiate and to interpret luminous stimuli. Vision is significant on earth mainly in terrestrial and in superficial aquatic habitats since our planet is intensely exposed to sunlight and therefore light and colors become distinguishing factors of objects present in environment, even at distance. This distinction provided new survival strategies for organisms, new protection mechanisms against external dangers, new manner to find food and to communicate with other individuals, new types of courting and reproduction behaviors, and so on. That is, it created new possibilities of interaction with the surrounds and raised capacity to discover new ecological niches.

   Related Questions in Biology

  • Q : Family and Medical Leave Act -

    This law allows employees to take up to 12 weeks of unpaid leave for family or medical reasons each year.  

    		•
  • Q : Equity Theory of Work Motivation -

    This theory was formulated by J.S. Adams. It is based on the assumption that members of an organization experience strong expectations of justice, balance and fairness in treatment by the organization. When a person feels that he is being treated unfairly by the organization, these feelings can h

    		•
  • Q : Is bacteria made of one cell Is there

    Is there some bacteria made up of more than one cell?

    		•
  • Q : Describe Competitive Market Position

    Competitive Market Position: It is a ranking of a brand, product, or company, in terms of its sales volume associative to the sales volume of its competitors in the similar market or business. Competitive positioni

    		•
  • Q : Describe Database Administration

    Database Administration: It is a job whose primary function is the general support of a computer database. Such support tasks are executed by a person termed as a database administrator, or DBA. Databases need constant management and up-keep, and a DB

    		•
  • Q : Incubation period for mumps disease

    What is incubation period for mumps disease and what is the causal organism?

    		•
  • Q : Organogenesis and histogenesis Explain

    Explain organogenesis and histogenesis?

    		•
  • Q : Question on sales tax-subsidy policy

    Considering that all firms have identical constant long-run average costs before the sales tax-subsidy policy, what do you assume to happen to the price of product, the output of every firms, and industry output, in the short run & the long run? (Hint: How

    		•
  • Q : Diseases of connective tissue Write

    Write down the diseases of connective tissue?

    		•
  • Q : Lateral lines of fishes Explain about

    Explain about the lateral lines of the fishes?

    		•