during a hurricane a large raft made up of tree trunks, branches and other vegetation was washed off the coast of an island. along with a vegetation present in the raft there was about a dozen lizard that were native to the original island, but there species was not living on the new island. a similar species of lizard that live there and had for many years. once the lizards arrived at the new island they found food and other resources they needed to survive. describe one specific way that the newly arriving lizards might affect the population of lizards already present on the new island?