A random change to a gene that sometimes results in a new trait is called?

According to the concept of resource partitioning, which attribute of a community would tend to lead to lower species richness in a community where competitive interactions have a strong influence on species richness?

2. Which of the following will change the equilibrium potential for Na+? 1. the gating properties of the Na + channels 2. the concentration of the Na + on the inside of the cell versus the outside 3. the ion channels that are open in the cell 4.

When would exposure to a potentially harmful substance be most likely to damage many organs in a developing embryo?

Which of the following occurs during bacterial conjugation? a. The genome is duplicated and then diverges. b. An insertion sequence finds a target site on another DNA strand then uses recombination to insert itself into that strand. c.

Which of the following statements regarding genes is true? Choose one: A. Genes are located within the Golgi apparatus. B. Genes are the basic unit of information affecting a genetic trait. C. Genes are proteins that carry information. D.

Match the food item to its nutrient group. carbohydrates calcium fats proteins vitamins zinc

What could be the possible result of founder effort on genetic variation?

Which planets interior is most like the one on Uranus?

Sharks have internal fertilization. true or false.

What is a risk to the male body involving the prostate gland?