A woman's waistline expands to make room for a developing fetus during pregnancy. This is an example of which cavity adapting to changes in the size and shape of organs as they perform their functions? The Dorsal Cavity
The Saggital Cavity
The Distal Cavity
The Ventral Cavity​

answer; 60-100; beats per minute

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.