How long can a person live without food and drinking only water?

The first families from Noah's Ark probably had skin color.

How are embryonic stem cells different from adult stem cells?

What is an advantage of a degenerate genetic code? Mutations are more likely to alter proteins, increasing the rate of evolution.

List at least three types of residential waste that can pollute a watershed.

108 Punnett Square 2: A father is heterozygous and has the gene for detached earlobes. He received a D from his father and a d from his mother. He marries a woman with the same heterozygous genotype.

What causes the bacteria to die in an extremely salty environment?

If you stopped eating what would be the first, second, and third organic compound your body would use for energy

Which of the following objects does not decompose 1. styrofoam 2. plastic water bottle 3. lumber 4. milk carton

Why do scientists study the formation of the earth to find other planets like ours?

In which stage of meiosis do homologous chromosomes separate?