Which of the following is true about glassy igneous rocks?

cooled very slowly

cooled very rapidly

cooled in two stages

Mr. wayne is scheduled to have a visual examination of the distal end of his descending colon that leads into the rectum. this procedure is called

A flowering plant species produces two flower colors. Blue flowers are dominant over white flowers. What is the genotype of any blue-flowered plant in this particular species?

and other microbes can be used to "clean up" an oil spill by breaking down oil into carbon dioxide and water. Two samples isolated from the Deepwater Horizon leak in the Gulf of Mexico were labeled A and B.

If both species are harmed, it is a commensalistic interaction. or a. True b. False

Which of the following intermediary metabolites enters the Krebs cycle and is formed, in part, by the removal of CO2 from a molecule of pyruvate? A) lactate B) glyceraldehyde phosphate C) oxaloacetic acid D) acetyl CoA E) citric acid

This was once a forested hillside. The county where this hill is located decided to widen the roads in the area. All of the trees and shrubs were cut down.

Some animals can produce a potassium ion concentration inside their cells that is twenty times greater than that of their environment. This ion concentration gradient is maintained by the plasma membrane.

Why are animals more likely than plants to form new species while still in the presence of the parent population?

Which is true about scientific knowledge? A. It is rarely proven wrong. B. It is not based on observation. C. It is agreed upon by all scientists. D. It changes as new evidence is found.

Which is a result of selective breeding? a. Large seedless watermelons that consumer demand. b. Oranges that are all different sizes and colors. c. An insect that can carry ten times its body weight. d. A bird that catch prey with its beak.