True, but there are some energy sources cheap
Answer : B) The rate of growth will slow down by 2100.
It had been reported by the UN that the population will continue to grow worldwide, and come to a halt by 2100.
Answer:
Porifera or Sponges
Explanation:
Porifera is the phylum of the simplest multicellular marine animals. Their body is composed of two cell layers (something like tissues) and mesophyl between them. The body is in direct contact with surrounding water through the large number of pores and channels. What makes Sponges so simple is that their cells are unspecialized and that they don't have nervous, digestive or circulatory systems.
Organisms who happen to be best suited to an environment and reproduce most successfully will be consider successful in terms of natural selection.
They either frow on other organisms and get there food or they eat it feom a dead animal