Answer:
Biology is the study of life and living organisms. Biology recognizes the cell as the basic unit of life, genes as the basic unit of heredity, and evolution as the engine that propels the creation and extinction of species.
Answer:artificial selection
Explanation:
When the breed is physically created to promotes best traits the process is artificial because it is humanly hand picked .
Answer:
The polar bears which live in the tundra are not as omnivorous as the polar bears of the temperate forest because there are lesser plants and trees to be seen in the tundra region. The polar bears of the tundra are white in colour so that they can camouflage with the snow which is an adaptation for them to hide from their predators. The polar bears also have thick layers of fat which help to keep them warm as the temperature is very cold in these regions.
The choice of diet is important for organisms because an organism will be able to survive in an environment only if it has enough food sources to survive in a particular area. Hence, an organism should have the adaptation to feed on the sources of food available in an area in order to survive in the area.
Answer A:
The process of <u><em>photosynthesis</em></u> is occurring in image A.
Photosynthesis can be described as a process by which plants use light energy and convert water and carbon dioxide into sugar and oxygen. The sugar produced is the food for the plants. This process occurs in the leaves where chloroplasts are present. Chloroplasts trap light energy.
Answer B:
<u><em>The organelle is mitochondria. The process which occurs in the mitochondria is cellular respiration.</em></u>
Mitochondria are known as the power house of a cell. The process of cellular respiration occurs in the mitochondria. By this process, glucose and oxygen are converted into carbon dioxide and water. Energy in the form of ATP is released during this process. The energy is used normal cell functions.
