What is the name of the procedure that uses a very focused beam of light to create a hole on the outer edge, or rim, of the iris so that fluid (aqueous humor) is allowed to flow between the anterior chamber, the front part of the eye, and the area behind the iris, the posterior chamber?

How are gene and protein sequences used to classify organisms?

Which group of chordates does  notpossess true backbones?                 a.  birds      b.  frogs and toads      c.  lampreys      d.  crocodilians

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.