Choose the best definition of a fossil. any trace of an organism that has been converted into rock the process that leads to preservation of any body part from an organism that lived in the past any trace of an organism that lived in the past a bone, tooth, shell, or other hard part of an organism that has been preserved

Select the correct answer. in the image, if the washcloth represents consumed food, which organ of the digestive system correctly represents the action performed by the hands? hands squeezing water from a washcloth a. esophagus b. large intestine c. liver d. mouth

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

Works together in the synthesis, modification, packaging, and transport of lipids and proteins