The time period being referred to is the sensitive period. This time period is also referred to as the critical period. The importance of a critical period is such that it must involve certain stimuli from which an organisms learns and acquires traits. If some of these stimuli are not present in the critical period, the organism has difficulty acquiring the trait or skill, and may even find it to be impossible to learn the skill.
Mutation is the only evolutionary mechanism that does little to change allele frequencies.
Answer: Algae use photosynthesis to convert CO2 and sunlight into sugars and then convert some of the sugars into oil, which can be harvested and converted to biodiesel. 4) 30x more oil per hectare than other plants used for biodiesel such as soybean, oil palms, and rapeseed.
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