In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. What are the possible combinations of genes in the offspring of two red-eyed heterozygous flies (Rr) ?

A mold forms when minerals replace all or part of an organism True or false

Describe 3 ways that people can conserve natural resources. Why are coal, natural gas and oil referred to as fossil fuels? What are the cost and benefits of using wind energy?

Which of the following products are in the process of aerobic respiration? A. Glucose and oxygen B. Carbon dioxide and oxygen C. Glucose and water D. Carbon dioxide and water

Which of the following might result in a human zygote with 45 chromosomes? A) an error in either egg or sperm meiotic anaphaseB) failure of the egg nucleus to be fertilized by the spermC) failure of an egg to complete meiosis IID) incomplete

What do all vertebrates have in common?

Why exactly is the Sphinx more in danger of deterioration than the Statue of Liberty?

Which organism is an autotroph?

Elijah is a 3-year boy who likes to spread his peas and carrots all over his plate. After spreading out his food, he asks for more. His mom pushes all the food together and Elijah believes he has more food and continues to eat.

What happens during an enzyme-substrate decomposition reaction?

What is another name for evolutionary relationship?