Which of the following is an example of a biotic factor? Sunlight
Oak Tree
Minerals
Humidity

Drag each label to the correct location. each label can be moved more than once match the properties with the subatomic particle

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?