Answer:
Mutations can cause instant adaptations, while natural selection is the process by which adaptations occurs over a series of generations. Adaptations are changes or processes of changes by which an organism or species becomes better suited for its environment. A mutation is an alteration of the DNA sequence
Explanation:
genetic change is basically same thing as mutation
Answer:
Some major functions of skeleton are below
Explanation:
Support and shape
bones support soft tissues and serve as attachment site for most muscles and provide shape to the body
Protection
Bones protect critical internal organs, such as brain, spinal cord, heart and lungs.
Movement
skeletal muscles attached with the bones help in moving the body
Mineral homeostasis
Bones serve as store for calcium phosphorus potassium sodium. Through negative feed back mechanisms bones can release and take up minerals to maintain homeostasis
Blood cell production
red and white blood cells are produced in bone marrow, a connective tissue found within bones
Answer:
option #3
Explanation:
each tropic level gets only 10% of the energy from the thing it eats because that organism uses loses energy when it moves or by heat.
Explanation:
Global warming is causing global mean sea level to rise in two ways. First, glaciers and ice sheets worldwide are melting and adding water to the ocean. Second, the volume of the ocean is expanding as the water warms.
