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Evolution

Unit Six - Evolution

QuestionAnswer
The deeper the fossil the - Older it is and less like animals and plants of today
Vestigial Structures are - Structures no longer being used - back legs in whales for an example
Homologous Structures are - Similar order in their bones.
Embryology is - The study of embryos and how they may be related to each other.
Natural Selection is also know as Survival of the fittest
The four steps to Natural Selection are - 1. Overpopulation 2. Genetic variations 3. Stressor 4. Successful reproduction
The Father of Evolution is Charles Darwin
Charles Darwin studied which bird while visiting the Galapagos Island Finches and their beaks
An adaptation is - A trait that allows an organism a better chance of survival.
True or false - over time, adaptations may lead to a new species True
Some plant and animal adaptations would be - White fur on a polar bear Large ears on a fox Thorns on a rose Thick waxy covering on a desert cactus
The goal of all organisms is to - Survive in order to reproduce and pass their DNA on to the next generation
Genetic variations means - Small differences within a species. For example, all humans are a bit different that one another.
When there is lots of food, water, shelter, space, animals tend to have more offspring, in Natural Selection, this step would be - Overproduction
In a time of stress, some animals are going to die and the stronger ones will survive. In Natural Selection, this is called - Struggle to Survive.
The better adapted offspring will grow up to reproduce. The step of Natural Selection would be - Successful Reproduction
Created by: LPerry-Shaske
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