When a plant is dying the worms dig air holes down to their roots which also gives the worms a place to live.

Identify the role of each organism in the food chain

What type of interaction occurs between organisms fighting for the same resources?

60. During periods of increased global temperatures, which of the following is most likely to occur? A. a decrease in atmospheric CO2 B. an increase in atmospheric CO2 C. a decrease in earthquakes D. an increase in earthquakes

Is mars sustainable for humanity to live on It?

All BUT one description applies to the structure of RNA. That is

When an ocean wave reaches shallow water the energy of the wave ... A. pushes water up B. Returns water to the ocean C. Becomes stronger D. Disappears

By what process do all living organisms grow and repair themselves?

What is the name of the heart's contraction?

Which describes the habitat of a frog?

The size of a population refers to the