The firsy one does both oxygenated and deoxygenated blood use the umbilical artery
Answer:
In Newtonian physics, free fall is any motion of a body where gravity is the only force acting upon it.
Explanation:
pteropods or sea snails, also called sea angels, produce chemical deterrents to ward off predators, and some species of amphipods take advantage of this by carrying pteropods piggyback to gain protection from their voracious predators.
Why was progress in science interrupted during the dark ages? The Roman Empire fell in the 5th century thus advancements in science came to a halt. As science halted in Europe, where else did it advance? Science advanced in other areas of the world like China, Polynesia, and Arab nations.
Cephalization is the concentrated nerves in which it is at the front end. Aka the brain in which it is nerves throughout the brain and connects with the lining body of an organism. Furthermore organisms such as worms have small brain,of concentrated nerves. Primate is the most complex aka human since we have big and fragile cephalization at the head.
Answer:
True, if this helps can i have brainlist :D
Explanation:
In A.D. 1200 (or thereabouts), a small group of Polynesians — it might have been a single family — made their way there, settled in and began to farm. When they arrived, the place was covered with trees — as many as 16 million of them, some towering 100 feet high.
