Pitch is only taken into consideration when a sound is extremely low.

True or False?

Why are producers important to energy transfer within an ecosystem?

What two substances do geologists use in radiocarbon dating

1. What is the respiratory structure of a millipede? A. book lungs B. tracheal tube C. gill slits 2. what is the respiratory structure of a spider? A. gills B. book lungs C. tracheal tube D. gill slits

Grouping organisms based on there evolutionary history is called

how can scientists accurately compare atmospheric composition today with atmospheric composition thousands of years ago?

Organisms going into hibernation and dying off and leaving their eggs behind is an example of what

When Two atoms of the same nonmetal react, they often form

How is protist fission is different than bacterial fission?

30. Why can mitochondria be considered the power plants of the aerobic cells?

The African finch Pyrenestes is an example of A. guided selection. B. stabilizing selection. C. uniform selection. D. directional selection. E. diversifying selection.