This in counting the age of a tree.

a. rings seen in the stem
b. height of the tree
c. width of a tree

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

What organelle other than the nucleus houses dna in a eukaryotic cell?

What processes would you expect to be key in the production of yogurt ?