Each level of organization in an ecosystem is made up of parts. Which of the following is an example of the population level of organization in a coral reef ecosystem? Group of answer choices

a group of clown fish

a colony of coral and a stand of sea grass

seawater

a clown fish

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.