Use the diagram below to answer the question. The diagram shows undisturbed sedimentary strata at the bottom of an ocean. (AKS 4d)

The fossils found in Layer X resemble the fossils found in Layer W. This similarity suggests that…

A.
The fossils in Layer W must be less complex than those in Layer X.

B.
Vertebrate fossils are only found in sediments underneath the ocean.

C.
Modern forms of life may have changed from earlier forms of life.

D.
The fossils in layer W were formed before the fossils in Layer X.

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic