They live in the anoxic muds of marshes and at the bottom of the ocean, and even thrive in petroleum deposits deep underground.
Answer:
The correct answer is A DNA is replicated before mitosis begins
Explanation:
DNA replication is one of the most significant event of a cell cycle. .DNA replication occur in the S phase or synthesis phase of the cell cycle.
DNA is replicated once per cycle to maintain to normal chromosome number in daughter cells.
DNA is replicated to form two new DNA molecules which are then equally distributed in each daughter cell during the mitosis phase.
I think its true because oxygen makes up about one-fifth of the Earth's atmosphere. Nearly 90 percent of the weight of the oceans is due to oxygen. In addition, oxygen is thought to be the third most abundant element in the universe and in the solar system
Answer: The Independent Variable
Explanation:
A good way to remember is the I in Independent. <em>I can change this, I control this</em>
(Ex. Different rose bushes are grown in a greenhouse for 2 months. The number of roses on each bush is recorded at the end of the experiment.
- Independent Variable - Type of roses
- Dependent Variable - # of flowers
- Controlled Variable - Most natural/common rose bush)
