Is this true or false - competition is a factor of natural selection

What keeps the inner core in a solid state?

What do ribosomes do?

True or false The water cycle is the result of weather and climate

Scientists can use genetic information to identify people because it is unique to each person. Which specific characteristic is unique to an individual?

What is homeostasis? ( A. the maintenance of a relatively stable internal environment B. the release of signals that cause body cells to increase their activity C. a type of body temperature regulation that depends on the external environment D.

An infant moves involuntarily when you touch the soles of his feet. such a movement is

Antoine lavoisier explained the role of a gas in the rusting of iron and in respiration. which gas was this

What does DNA contain A. the chromosomes that build proteins B. the coded blueprint C. the ability to translate RNA code D. the factors for heredity called alleles

Most organisms can be divided into two categories - prokaryotes and eukaryotes. What is the main difference between these two categories?

Triggers that may lead to an episode of drug abuse/use can be