Choose all (3) that are correct. Cells become specialized: A. immediately after conception occurs.
B. from stem cells.
C. in order to perform different functions.
D. when certain genes are expressed while others are not​

Which property is used to identify the origin of an igneous rock? color density hardness crystal size

Afarmer has applied a pesticide to control a pest population that is affecting her crops. the pest population has reacted as shown below. which best describes the process that the pest population has experienced due to this environmental change? a genetic diversity b natural selection c natural resistance d genetic resistance

According to this food web which of the following would be considered primary consumers