Why is it that two species cannot occupy the same niche for an extended period of time?

Which of the following describes the chromosomes in a fertilized egg? A. Only from the mother B. Only from the father C. The diploid number D. The haploid number

A homozygous dominant mouse is crossed with a heterozygous brown mouse (tan is the recessive color).

Why are some minerals, such as copper, only needed in small amounts in your diet?

Nuclear energy is a useful source of power but has disadvantages. What is a disadvantage of nuclear energy? A. It has products that break down quickly. B. It produces dangerous waste. C. It is limitless and does not create carbon dioxide. D.

Describe polygenic inheritance and give an example.

Why is it in the evenings we are more prone to our emotions?

How does global warming affect biodiversity? A) increasing temperatures mean increased ability to adapt to the changes B) increasing temperatures mean increased risk of extinction C) increasing temperatures mean increased habitat development D)

Match the cell property descriptions with the correct organelle. Column A 1. Contains the genetic material (DNA) : Contains the genetic material (DNA) 2. Contains a thick gel-like substance: b Contains a thick gel-like substance 3.

What codes for proteins? 20 PTS A. DNA B. RNA C. Polypeptides D. Amino Acids

What is one possible result of an ovary not performing its intended function in the body?