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SCI 8 Unit 6 - Pt. 1

Natural Selection

QuestionAnswer
What is a group of the same type of organism living in the same area? Population
What is the process by which the distribution of traits in a population changes over many generations? Natural Selection
(Fill in the blanks) A population can be described by the ______________ present and by the number of individuals who have each _________________. Traits ; Traits
What is the number of individuals with each trait in a population called? Distribution
What determines if a trait is adaptive? The environment
On a histogram, what is represented by the width of the histogram? (Hint: Any difference in traits between individual organisms) Variation
Fill in the blank: The traits that exists in a population determine which traits can become more ____________ over many generations. Common
Fill in the blanks: A trait is Non-Adaptive if it makes it _________ likely that an individual will ____________ in a specific environment. Less ; Survive OR More ; Die
What determines an organism’s traits? Parents OR Protein molecules
Individuals with adaptive traits are more likely to do what two things? (Based on lesson 2.3 & 2.4) Live longer ; reproduce more
What vocabulary term is a trait that makes it more likely an individual will survive in a specific environment? (2 words) Adaptive Trait
What is a specific characteristic of an individual organism? Trait
What is everything (living and nonliving) that surrounds an organism? Environment
What is a random change to a green that sometimes results in a new trait? Mutation
Created by: lanichols54
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