When is a mineral considered to be an ore

Fertilized eggs which develop inside the female's body: 1. do not have shells 2. contain their own food 3. do not grow until birth are not fertilized

What is one criteria that must be met in order for an ecosystem to be stable

What occurs in all cells and can take place either with or without oxygen present

A genetic trait that appears in every generation of offspring is called?

A scientist studies the DNA in corresponding genes of a platypus, a beaver, and a duck. The DNA from which two species are most likely to be most similar? Explain your answer.

Sammie Arnold Carvey has the major symptoms of schizophrenia but she does not meet full criteria for any of the disorders in the schizophrenia spectrum and other psychotic disorders diagnostic class. How would you list her diagnosis?

The number one cause of serious motor vehicle crashes is:

How do I get the answers for the insect identificationusing the dichotomous key?

Choose the ingredients needed for nuclear fusion. Check all that apply. a. Energy b. Helium Gas c. High Tempatures d. Hydrogen Gas e. Low Pressures

Why might polygenic traits vary more in phenotype than single gene traits?