Genetic Variation & Adaptations

What is mimicry?

• Mimicry is when one species evolves to resemble another species for protection or other advantages.

• Mimicry is a form of camouflage used by animals to hide from predators.

• Mimicry is the ability of an organism to change its color based on its environment.

• Mimicry is a social behavior where animals imitate each other's calls.

Why is genetic variation important for a species?

• It decreases the chances of adaptation to new environments.

• It ensures all individuals are genetically identical.

• It increases the chances of some individuals adapting to changing environments.

• It has no impact on the survival of a species.

What is an example of a physiological adaptation?

• The ability of some animals to regulate their body temperature.

• The ability of birds to migrate long distances.

• The ability of plants to grow in the dark.

• The ability of fish to swim faster in water.

What are the two main types of adaptations?

• Structural adaptations and behavioral adaptations

• Physical adaptations and environmental adaptations

• Genetic adaptations and learned adaptations

• Morphological adaptations and physiological adaptations

How do adaptations help in survival?

• They allow organisms to live in extreme environments.

• They improve the ability to find food, escape predators, and reproduce.

• They make organisms larger and stronger than their predators.

• They enable organisms to communicate better with each other.

How do environmental changes affect genetic variation?

• Environmental changes can create new challenges that may favor certain genetic variations, leading to changes in the population over time.

• Environmental changes have no impact on genetic variation.

• Genetic variation is solely determined by random mutations, unaffected by environmental factors.

• Environmental changes only affect the physical traits of organisms, not their genetic makeup.

How does genetic variation contribute to evolution?

• It has no impact on evolution.

• It allows populations to adapt over generations to their environments.

• It decreases the chances of survival for species.

• It leads to a uniformity in genetic traits.

What is the significance of Darwin's finches in understanding adaptations?

• They demonstrate how different beak shapes evolved as adaptations to different food sources in their environment.

• They show that all species have the same beak shape regardless of their environment.

• They indicate that finches do not adapt to their surroundings at all.

• They prove that adaptations are not influenced by food sources.

What is the role of natural selection in adaptations?

• Natural selection is the process by which individuals with advantageous traits are more likely to survive and reproduce, leading to the prevalence of those traits in the population.

• Natural selection is a method of breeding plants and animals for desired traits.

• Natural selection refers to the random changes in genetic material over generations.

• Natural selection is the process of eliminating all individuals that do not adapt to their environment.

What is genetic variation?

• Differences in DNA sequences among individuals within a population, leading to different traits.

• The process by which organisms adapt to their environment over time.

• The study of how traits are passed from parents to offspring.

• The total number of genes in a given population.