Which of the following scenarios represents change to an ecosystem brought about by biotic factors? a. a wildfire caused by lightning striking a tree b. a flood caused by a severe storm c. a landslide caused by cattle overgrazing d. a volcano

Whose work is most likely to be part-time and at several locations? а. physical therapistb. sports physicianc nutritionistd group fitness instructor

What prevents odyssey from killing the sleeping cyclops

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures