Thousands of species of organisms live in one square mile of tropical rain forest. which statement is true about those organisms?
they all share the same predators.
they are all part of the same population.
they are all a part of the same community.
they are all predators.

What is any method of measuring the age of an object or event in years, such as using atomic half-life?

(05.01 mc) west indian manatees are large aquatic mammals that live in rivers and near shore estuaries, especially in florida. they have two flexible front flippers with three or four toenails, similar to elephant toenails. though they lack hind limbs, manatees have vestigial pelvic bones, as shown in the diagram. manatee and elephant skeletons are shown side-by-side. the manatee, an aquatic animal, has a skeleton that has two large front limbs and two very tiny hind limb bones that do not form actual limbs. the elephant has four large limbs. which of the following answer choices best describes how evidence of the manatee toenails and pelvic bones supports the scientific theory of evolution of these animals? (1 point)

Imagine that you are searching your room for a textbook. which portion of the cortex would be most active during this search?