primary production is the synthesis of organic compounds from atmospheric or aqueous carbon dioxide.
It is not possible for two species with the same niche to coexist. one species will eventually drive the other into extinction
It's gonna be cold with some thunderstorms. You can tell because the line with triangles on it is a cold front and the lightning bolts represent thunderstorms
Answer:
a
Explanation:
the core comes first, then crust, then mantel, then landform, then water
Answer:
Planaria.
Explanation:
The kingdom eukarys is divided into the different phyla including almost all the animals. The organism are classified on the basis of their level organisation, cavity and on the basis of coelom.
The cephalization is initial process for the deposition of nervous tissue in brain. The cephalization is absent in porifera and coelenterate. The planaria also known as flat worms shows the process of cephalization and this process becomes more complex in higher animals.
Thus, the correct answer is option (4).