Pharyngeal arches are organs that only invertebrate chordates have. The only invertebrate chordate among these options is C. sea star, also known as starfish, so I would say that is the organism that develops breathing organs from pharyngeal arches.
The answer is <span>b. Swamps are deeper and have a larger proportion of surface water than marshes, and bogs have acidic groundwater.
Bogs, marshes, and swamps are types of wetlands. Swamps and marshes are mineral soil wetlands. Swamps are deeper and with a larger proportion of surface water than marshes. Usually, swamps develop from marshes that fill in. Bogs are organic soil wetlands. They are acid areas with acidic groundwater.</span>
Answer:
Each year, the tree forms new cells, arranged in concentric circles called annual rings or annual growth rings. These annual rings show the amount of wood produced during one growing season. ... They form the summerwood (latewood) which appears as a darker ring on the tree cross section.
Answer:
B.
Explanation:
Osmosis occurs.
Water moves from region of higher concentration to region of lower concentration.
In this case from cell to the enviroment.