Why is lily walking in the woods, counting how long it takes her to see a bird land in a tree?

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

What are examples of the plant life and animal life that can be found in each type of terrarium

Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false