Describe the undesirable effects of land pollution due to insecticides (biological magnification)

The flower of the species Rosa verdus can be either green or red. In this species a single gene with two alleles determines flower color. Small g is the recessive allele that results in red flowers in the homozygous condition.

In the process of swallowing, food cannot normally enter the trachea because the

How can a nutrient be a limiting factor in an ecosystem?

What is the best description of what viruses are made of? a. protein and RNA b. carbohydrates and RNA c. protein and nucleic acids d. carbohydrates and nucleic acids

Why can water provide a stable liquid environment within cells when the temperature changes? A. Water has a high specific heat capacity. B. Water has a low heat of fusion. C. Water has a high heat of fusion. D. Water has a low specific heat capacity

An over-response of the body to a specific substance is called

The thymus functions strictly in maturation of t cells. the thymus functions strictly in maturation of t cells. a. True b. False

A plant that has red flowers was crossed with a plant that has white flowers. All of the offspring produced pink flowers. In this plant: A. the gene for red flowers is dominant. B. the gene for white flowers is dominant. C.

The process by which unspecialized cells become specialized cells is called

How does the mass of an object affect its a its acceleration during free fall