The correct answer is (b) arctic fox
The arctic fox shows two color of fur depending upon the season. During summer and spring season the fox has dark colored coat .It does so to match the color of the brown dirt in the surrounding. In winter's the arctic fox turns its fur to white to match the color of the snow in the surrounding. This phenomenon is known as " camouflage". Animals have developed this adaptation to protect itself from being killed by other animals by changing the color of the fur according to the color of the surrounding.
The answer would be: Distributed practice
Distributed practice is a method of learning that involves a repeated session of practice over a period of time. It is more effective than a longer session in short period of time. The spacing effect in this method will make it easier to store learned lesson into long-term memory.
The answer is osteogenic cells can differentiate into osteoclasts. Osteogenic cells are stem cells that are located in the surface lining of bones and in bone marrow. Immature osteogenic cells are found in the deep layers of the periosteum and the marrow, when they differentiate, they develop in osteoblasts. Osteoblasts are created by precursor cells and help regulate the entire process of bone modification. Osteoclasts break down bone material.
Again, it would be A because recessive traits have the possibility of being passed on
