You obtain a water sample from an underground stream in a sulfur cave. When viewing a drop of the water under the microscope, you observe the organism photographed below. - Is the organism a prokaryote or eukaryote?

A) Eukaryote
B) Prokaryote

- Which of the options below best represents the genome of the organism you discovered in your water sample?

A) One circular DNA molecule
B) RNA is the genetic material, not DNA
C) One circular chromosome
D) Multiple linear chromosomes

What kind of action is a cause of air pollution

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.