A dragonfly has blue wings. Its mother has blue wings, but its father has colorless wings. Which of these statements explains why the dragonfly has blue wings?

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

In general, are there any major differences that you can see? explain

The diagram below shows the layers of a rock having a trilobite: a rock column labeled rock is shown. the column has three layers. the bottommost layer of the rock has one shaded rhomboid shape, the middle layer has a rhombus with a diagonal along with two identical organisms marked as, trilobite, in the key, the top layer has two semicircles. a key is shown on the right side of the diagram. the shaded rhombus is marked as a, the rhombus with the diagonal is marked as b, the semicircle is marked as c which statement about the rock fossils is true?