1. Red, Hard, Sweet, Stem, Seeds
2. Im not sure
3. A knife and a microscope
4. See what cells there are in the apple, or how the apples changes through a period of time
Trace element are needed only in small amounts and the plant do not ‘ die’ when they lack.
While insufficient supply of an essential element can lead to major diseases and inhibit main function of the plant and can ultimately kill the plant
Sexual selection example; The brightness of the feathers of a peacock. You may also see similar traits in other birds, where some dance and show off bright feathers to attract a mate, where other build nests. These specific traits do not increase their chance of survival, and are not learned. They increase their fitness because they increase their chances of reproduction and passing on their genes.
Survival of the fittest = Survival of those who survive, and reproduce
Because their is a black substance maybe a black hole
Answer:
Proteins are the internal machinery of a cell. Among the many different roles that proteins serve in the cell, proteins have structural roles to help the cell keep its shape, regulatory roles to control the movement of particles in and out of the cell, and repair roles to help signal and help with the repair of a cell if it is damaged. Proteins are especially important in cell division because they control when it starts, ends, and every movement in between.