Answer:
As light intensity increases (distance between lamp and plant decreases) the volume of oxygen (or the rate of bubble production) increases. This indicates that the rate of photosynthesis increases with light intensity. However, at sufficiently high levels of light intensity, the rate oxygen evolution remains constant.
Some mutations have a positive effect on the organism in which they occur. They are called beneficial mutations. ... They increase an organism's changes of surviving or reproducing, so they are likely to become more common over time. There are several well-known examples of beneficial mutations.
An error in Mrna will only affect 1 molecule of RNA of the many synthesized from a gene and do not become a permanent part of the genomic information
Answer:
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Explanation:
The family Ursidae contains the genus Ursus, which includes 4 species of bear, the brown bears, the polar bear and the two species of black bear.
