D. Energy flow is not dependent on any members of the ecosystem
Answer:
Option B
Explanation:
The formal study of fossils, its collection and documentation started in 1700s during the period known as “Age of Enlightenment” It was during this time period that scientist noticed rock fossils and started making fossil collection. During the 1800s, areas with rocks fossils were studied and compared.
Further, Charles Lyell and Charles Darwin showed strong connection between biological evolution and geological evolution of planet earth. Hence, the earlier traces of fossils i.e before a certain period could not be studies due to late pioneering of fossil based evolutionary science. It is also due to limitations with radioactive dating
Hence, option B is correct
Answer:A
Explanation:
The osmotic pressure in the animal cell is higher than that in the fresh water.
The flow of water is from low osmotic pressure to high osmotic pressure.
The water moves into the cell and then bursts.
Answer:
Black bear
Explanation:
im the original answer (just in case somebody says otherwise)
A mature seed consists of two essential parts – the seed coat and the embryo. Seed coat: The outer covering of the seed is known as seed coat. The seed coat develops from the integument of the ovules. The seed coat is made of two layers – the outer layer is called the testa and the inner layer is called tegmen.
