Exchanging oxygen and carbondioxide between air and lungs because it just involves breathing system but everything else involves hormones.........
HOPE IT HELPS !!!
Answer:
translucent
Explanation:
opaque surfaces allow no light to pass through, transparent surfaces allow all light to pass through and reflective surfaces reflect light.
Answer:
Cool dense water sinks to the ocean floor.
Warm water replaces cool surface water.
Wind blowing parallel to the shore causes upwelling of cool water.
The correct answer would be the last one: "evolved from past organisms." This theory basically just states that all living organisms evolved from a single common ancestor. Hope this helped! :)
Answer:
A. Cluster of cells surrounding a developing egg in the uterus
Explanation:
