Answer:
colder, rich in nutrients
Explanation:
fertilizes surface waters meaning they have high biological productivity
Answer:
1. Esophagus or Oesophagus
2. Stomach
3. Small intestines
4. Large intestine and anus.
The solid organs of the digestive system are:
1. liver
2. Pancreas
3. Gall bladder.
D. cells are the basic unit of structure and function in living things
Answer:
Lack of food sources, the lack of habitat, competition and evolving ways to compete.
Explanation:
Lack of food sources, the lack of habitat, competition and evolving ways to compete are the ecological conditions that is responsible for the rapid diversity of some lineages. With the passage of time, changes occurs in the lineages due to climate change which causes some species to extinct and some to evolve which attains adaptability to the environment. Due to climate change food is unavailable to the organisms which is the main cause of its extinction.
Banded iron formation, or also referred to as BIF, is unique sedimentary rock of biochemical origin. Unique because of their unique make up, unique age and unique origins. These rocks are very old.
BIF date to as old as 3 billion years old, but most are aged at around 2.5 billion and some are as "young" as 1.8 billion. So, the Earth's oldest banded iron formation is 3 billion years old.
