##1. 📌 Essentials
1. What primarily differentiates species-specific characters from individual characters?
2. Which of the following best describes hereditary characters?
3. How do environmental modifications affect an individual's phenotype and inheritance?
Species-specific — role?
Differentiate species from each other.
Hereditary characters — transmitted?
Yes, passed from parents to offspring.
Phenotype — definition?
Observable traits of an individual.
Species-specific characters — definition?
Shared traits that define a species.
Individual characters — difference?
Vary among individuals within a species.
Hereditary characters — role?
Inherited from parents via genetic material.
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