Answer: The correct answer is- B) Ecosystem.
Ecosystem can be described as a group of living organisms present in a particular area that are interacting with each other as well as the non living components of that environment.
In other words, it is the interaction between biotic ( living such as plants and animals) and abiotic ( non living such as temperature, air, water) components of an environment.
Example- Pond ecosystem, lake ecosystem.
Answer:
Rosalind Franklin made an X-ray image of the DNA molecule, that has revealed the following:
1. The nitrogenous bases are near the center of the DNA molecule
2. DNA molecule is composed out of two strands
3. DNA molecule has the shape of a helix
Watson and Crick made the first model of the DNA molecule based on that very picture. They concluded that the strands are antiparallel and that they are composed of nucleotides.
Explanation:
Take one tab by mouth up to four times a day, before meals and at bedtime.
The high heat capacity of water prevents fish body temperatures from changing during the winter.
