Evolution Matching worksheet with definitions and terms for learning about evolutionary concepts.

Evolution Matching Problem Solution

The task is to match the definitions on the left with the corresponding terms on the right. Below is the solution with explanations for each match.

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#### 1. A change/alteration to DNA that can be caused by environmental factors
- Match: F. Mutation
- Explanation: A mutation is a change in the DNA sequence, which can occur spontaneously or be induced by environmental factors such as radiation or chemicals. Mutations are a source of genetic variation in populations.

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#### 2. Advantageous variations which help organisms survive in their environments
- Match: E. Adaptation
- Explanation: An adaptation is a trait that enhances an organism's ability to survive and reproduce in its environment. These traits are often the result of natural selection acting on advantageous variations.

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#### 3. The ongoing process of change in the inherited features of a population of organisms over time
- Match: I. Evolution
- Explanation: Evolution is the gradual change in the inherited characteristics of a population over successive generations. It occurs through mechanisms such as natural selection, genetic drift, and gene flow.

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#### 4. The process by which organisms with variations better adapted to their environments are more likely to survive, reproduce, and pass along their traits to offspring
- Match: C. Natural Selection
- Explanation: Natural selection is the mechanism by which individuals with advantageous traits (adaptations) are more likely to survive, reproduce, and pass those traits to their offspring. Over time, this leads to the evolution of populations.

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#### 5. Differences in traits among individuals of the same species
- Match: K. Natural Variation
- Explanation: Natural variation refers to the differences in traits (e.g., size, color, behavior) observed among individuals within the same species. This variation arises from genetic differences and provides the raw material for natural selection.

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#### 6. Organisms must fight for resources such as food, space, or a mate
- Match: H. Competition
- Explanation: Competition occurs when organisms within a population or between different species vie for limited resources like food, water, space, or mates. This competition can drive natural selection by favoring individuals with traits that give them an advantage.

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#### 7. When populations have adaptations that help them to survive in their environment, they will increase in number
- Match: J. Over-production
- Explanation: Over-production refers to the tendency of populations to produce more offspring than the environment can support. This excess production creates competition for resources and drives natural selection.

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#### 8. Although food, water, and space in some environments may be abundant, there is always more offspring than available resources
- Match: D. Selective Pressure
- Explanation: Selective pressure is any factor in the environment that influences the survival and reproduction of individuals in a population. Even in resource-rich environments, selective pressures exist because there are always more offspring than resources, leading to competition.

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#### 9. Different species often have similar structural characteristics, or display molecular similarities in their DNA/proteins
- Match: A. Evidence of Evolution
- Explanation: Similarities in structural characteristics (analogous or homologous structures) or molecular similarities (e.g., DNA sequences) across different species provide evidence for common ancestry and evolutionary relationships.

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#### 10. Changes in the environment that force species to adapt/change
- Match: G. Frequency
- Explanation: Environmental changes can alter the frequency of certain traits in a population. For example, if the environment becomes colder, individuals with traits that help them survive cold conditions (e.g., thicker fur) may become more frequent in the population.

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#### 11. The elimination of an entire population or species that is unable to adapt to changes in the environment
- Match: B. Extinction
- Explanation: Extinction occurs when a species or population fails to adapt to changing environmental conditions and ceases to exist. This can happen due to various factors, including habitat loss, climate change, or competition.

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#### 12. A diagram that shows how different species are related and have changed over time
- Match: L. Cladogram
- Explanation: A cladogram is a branching diagram that illustrates the evolutionary relationships among species. It shows how different species are related based on shared ancestral traits and helps visualize the history of divergence.

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Final Answer:

```
1. F. Mutation
2. E. Adaptation
3. I. Evolution
4. C. Natural Selection
5. K. Natural Variation
6. H. Competition
7. J. Over-production
8. D. Selective Pressure
9. A. Evidence of Evolution
10. G. Frequency
11. B. Extinction
12. L. Cladogram
```

Boxed Final Answer:
\boxed{F, E, I, C, K, H, J, D, A, G, B, L}