Show:
Theory of Evolution
Natural Selection
Adaptations
100
The scientist that came up with the theory of evolution.
Who is Charles Darwin?
100
Describe natural selection
Nature “selects” which genetic variations are better for survival. An organism with favorable genetic variations will tend to survive and reproduce successfully.
100
The green color of the grasshopper help it hide within the leaves. Its green color is an example of an __________________.
What is an ADAPTATION?
200
The island where Charles Darwin studied different types of birds.
What is the Galapagos Island?
200
Why is it important for a population to have genetic variations?
Having genetic variations increases a populations ability to survive over time.
200
Give an example of a bird's adaptation and how it helps adapt?
Example: Wings help it to fly away from predators.
300
The change in a species traits over time is best described as __________.
What is Evolution?
300
What 4 things must be true in a population in order for Natural Selection to happen?
1. Variety of traits 2. Life is a struggle 3. Survival of the fittest 4. Survivors reproduce and pass on their adaptations to offspring.
300
There are two types of rabbits: those that only eat grass and those that only eat berries and flowers. A drought occurs one year, and the plants have difficulty producing any flowers or berries. They can only try and keep themselves green. The rabbits have had babies all year long but many are eaten by foxes or hawks. Due to the drought, many have starved to death. Which trait is an Adaptation?
Eating only grass.
400
The process by which evolution occurs is called __________.
What is Natural Selection?
400
There are two types of rabbits: those that only eat grass and those that only eat berries and flowers. A drought occurs one year, and the plants have difficulty producing any flowers or berries. They can only try and keep themselves green. The rabbits have had babies all year long but many are eaten by foxes or hawks. Due to the drought, many have starved to death. Which rabbit will Natural Selection choose?
The rabbits that only eat grass.
400
There are two types of rabbits: those that only eat grass and those that only eat berries and flowers. A drought occurs one year, and the plants have difficulty producing any flowers or berries. They can only try and keep themselves green. The rabbits have had babies all year long but many are eaten by foxes or hawks. Due to the drought, many have starved to death. How does this show SURVIVAL OF THE FITTEST?
The rabbits that survive are the ones that fit with the environment by eating only grass.
500
What does the Theory of Evolution say about the relationship between all organisms?
All organisms are related and we all came from one species/ancestor.
500
There are two types of rabbits: those that only eat grass and those that only eat berries and flowers. A drought occurs one year, and the plants have difficulty producing any flowers or berries. They can only try and keep themselves green. The rabbits have had babies all year long but many are eaten by foxes or hawks. Due to the drought, many have starved to death. How does this situation show genetic variety?
The rabbits eat different things. Some rabbits only eat grass, other rabbits only eat flowers and berries.
500
There are two types of rabbits: those that only eat grass and those that only eat berries and flowers. A drought occurs one year, and the plants have difficulty producing any flowers or berries. They can only try and keep themselves green. The rabbits have had babies all year long but many are eaten by foxes or hawks. Due to the drought, many have starved to death. Make a prediction, how will the population EVOLVE (change over time)?
The rabbit population will change to have only rabbits that eat grass.