Which fact about fossils is most important to scientists who study evolution?
a) fossils are often found in sedimentary rock.
b) footprints, body structures, and even animal droppings can become fossilized. c) the age of a fossil can be determined by examining the rock strata in which the fossil is found.
d) the formation of a fossil depends on the geologic and chemical conditions present when an organism dies.

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

How is the carbon cycle related to global warming ?

Sort the examples by the type of diversity that they exhibit a park has 80 species of trees red, yellow, and orange bell peppers are all members of the same species individuals of the same lizard species have different mating strategies. five different bird species are at a bird feeder. genetic diversity species diversity