My little sister need with her homework question and i have no clue. why is sonar a more accurate way of mapping the ocean floor than weighted lines? !

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.

Which of the following is an abiotic factor in an ecosystem? a. bacteriab. airc. niched. grass(abiotic=non-living) me !

Explain how the parts of the peripheral nervous system work with the central nervous system to produce a response to the stimulus