? Question is a to A population of organisms is represented by three black marbles and three gray marbles. The gray organis have a beneficial genetic mutation. Draw a model that shows natural selection over three generations of these organisms. o d. і т Eine Width: 2 pt an re Key organism with original trait organism with beneficial mutation

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.

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