Why is a pyramid or triangle often used to represent energy distribution in an ecosystem?

Before building dams, builders must consult with which group to prevent fish migration from being inhibited

How does a rock change into a metamorphic rock?

Which of the following is an important characteristic of lipids? They dissolve in water. They are nonpolar. They are converted to hormones. They can be linked into long chains.

Why are the cartilage rings in the trachea important? What do you think would happen if they were not there?

In the text area below describe the function of the cell wall.

Can energy be transferred from animal to animal

The more stomata the more water loss?

Why does it take a long time to develop a new variety of tomato? A. Changes in traits happen gradually, over many generations. B. Many plants resist change. C. Tomatoes cannot acquire new traits. D. A species cannot change over time.

Select the one true statement. Vacuoles store nutrients, water, and waste in animal cells. Plant cells can have chloroplasts but do not have a cell wall.

Using water more effectively A. Protects the environment B. Causes the loss of natural pollution filters C. Increases with contamination D. All of the above