What are the five levels of ecological organization & how is each defined?

Which of the following terms describe a liquid molecule that has only single bonds between its carbon atoms

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

What is used to keep track of the gamates and possible offsprings combination