Which bacteria, Eubacteria or Archabacteria, has existed on earth for at least 3 billion years?

Name some biotic factors that you might see in a local pond/meadow ecosystem

What life process involves obtaining material and changing it into useful forms

Your body produces ATP through the breakdown of glucose and converts the energy in glucose into a form that the body can use. This energy is released from what part of the ATP molecule?

Trace the path of energy from sun to you:

What are mutations? Are all mutations harmful?

In X, the instructions on the DNA are copied and transcribed onto a molecule of Y RNA. Which terms correctly complete this statement? X: transcription Y: messenger X: translation Y: messenger X: transcription Y: transfer X: elongation Y: transfer

What is a characteristic of a Index Fossil

DNA encodes the information necessary to produce the proteins needed by your body. While this is true for humans, is it the case for other organisms? A) No, humans are the only species to use DNA.

Why is the symbol X avoided in algebra?

What are two ways excess nitrogen is added to the nitrogen cycle