True or False? An increase in the number of phytoplankton in an aquatic ecosystem is always beneficial.

Explain why fossil evidence is consistent with the scientific theory of evolution.

Most of the water that enters a plant enters through the a. primary root. b. taproot. c. root hairs. d. cortex.

What are some advantages and disadvantages of long femur lengths (crickets) ?

Organic molecules are made up of what element?

In a controlled experiment, if a researcher wants to examine the effect of a high-calorie diet on an animal's weight, which of the two would be the independent variable?

Identify the differences and similarities between mitosis and meiosis. Infer what makes these processes vital to our survival?

The cell theory states that A) all living things are made of cells. B) all cells have only one nucleus. Eliminate C) plants do not have cells. D) only animals have cells

2) The population of mice in a local forest ecosystem has recently died out due to disease. In the past, these mice were the main predators of the forest beetles.

Which DNA bases pair with each other? How many hydrogen bonds are shared by each pair?

Which layers of sedimentary rock at Grand Staircase Escalante National Monument do you think are the oldest?