Two species of sea urchins adapted to live side by side on the sandy bottom of the sea floor. The two species appear to have the same diet-drift seaweeds and other
bits of organic matter. They are able to adapt and to live in the same environment
without competing with each other. How are they able to share habitat and food
resources?

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.