During a very cold winter, water pipes sometimes burst. the reason for this is

A macromolecule containing C, H, O and P

Building dams can lead to what damaging environmental issues? A. Higher water temperatures B. Algae blooms C. Decrease in fish biodiversity D. Changes in stream patterns

Which organisms represent the most biomass in an ecosystem? 1) scavengers 2) secondary predators 3) herbivores 4) producers

Which of the following statements about crossing over is TRUE? It occurs only between genes that are heterozygous. It occurs during prophase I and prophase II of meiosis. It occurs only in some chromosomes.

On a NASA mission that was looking for life on Mars, soil samples were taken and measured for the breakdown of nutrients and the production of carbon dioxide gas. Which characteristic of life would this test measure?

Match the food item to its nutrient group. carbohydrates calcium fats proteins vitamins zinc

What could be the possible result of founder effort on genetic variation?

Which planets interior is most like the one on Uranus?

Sharks have internal fertilization. true or false.

What is a risk to the male body involving the prostate gland?