Ecologists discovered that were dying trout in a stream that ran through some farmland where nitrogen fertilizer was used on the crops. how might you explained what happened?

Maria and her brother like to go fishing at the lake on Saturdays. They wondered if fish were more likely to bite at one time of day than another.

You are in a lab studying a newly discovered cell type. You observe a rigid cytoskeleton in this cell, along with a nucleus and a compartmentalized interior. How would you classify this cell?

Occurs when a portion of the intestine is constricted inside a hernia

In mitosis and meiosis are daughter cells genetically identical or different from the parent cell?

Carbon forms different types of bonds using the four electrons in A. Its outermost energy level. B. Its innermost energy level. C. Its lowest energy level. D. Its nuclear energy level.

Why do scraped knees and insect bites become red and painful or itchy

The three domain system recognizes fundamental differences between two groups of?

Name and describe three genetic conditions:

Changes in the environment can alter the dynamics of natural selection in predator-prey relationships. As the planet continues to warm, climate change will have a significant effect on many of these relationships.

What Is Some Secondary Consumers In The rainforest