Scientists compare the anatomy, embryos, and DNA of living things to understand how they evolved. Evidence for evolution is provided by homologous structures. These are structures shared by related organisms that were inherited from a common ancestor.
Answer:
resistance
Explanation:
When bacteria become resistant, the original antibiotic can no longer kill them. These germs that are resistant can grow, spread, and can cause infections that are hard to treat.
During mitosis, the chromosome copies separate the nucleus divides and the cell divides. This produces identical two cells called daughter cells. The main purpose of mitosis is for growth and to replace worn out cells.
Frogs eat bugs like crickets. they need them to survive. if there were a decrease in the cricket population it would disrupt the food chain and cause the frog population to decrease because one of their food sources are gone or depletes
Answer:
diffusion
Explanation:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.