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Carbon-14 dating is a way of determining the age of certain archeological artifacts of a biological origin up to about 50,000 years old. It is used in dating things such as bone, cloth, wood and plant fibers that were created in the relatively recent past by human activities.
The correct answer is skeletal development resulting in the movement of amphibians onto land and possibly evolved from lobe-finned fishes.
The initial lobe-finned fishes are bony fish with lobed, fleshy, paired fins that are connected with the body by a solitary bone. The fins of the lobe-finned fishes vary from those of all other fish in that each is borne on a lobe like, fleshy, scaly stalk protruding from the body.
This skeletal development will show that the species first developed in water and then gradually move onto the land and ultimately developed as species of land.
Let's start with the fact the the phloem of a plant is a special tissue that mainly transports food sources for the plant. one of the products it transports is various sugars - more commonly known as sap. the higher the concentration of sugars, the lower the concentration of water. in that case, the plant slows down on sugar making as it has a surplus, and once the sugars dilute within the sap and water's been taken in, the plant goes back to sugar making.