What is the primary role of decomposers in an ecosystem a.
to control population of producers and consumers b. to complete with the producers of the energy and other resources c. producers in the ecosystem d. to recycle energy and materials from dead producers and consumers

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Black fur(b) in guinea pigs is dominant over white fur(b). find the probability of a homozygous offspring in a cross: bb x bb. a. 0% b. 25% c. 50% d. 75% e. 100%