Identify the benefits to native species of joining similar habitats with corridors

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent  

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.