Darwin vs Lamark storyboard 2nd period
Testo Storyboard
- Hi! I'm Carlos Laya. I am presenting
- DARWIN vs LAMARCK
- Lamarck declared that when environments changed, organisms could choose what traits they have to survive
- Lamarck was a zoologist, naturalist and biologist who believed that animals actions affected their traits.
- Lamarck thought that any trait could appear overtime during a lifetime if it helped the animal live. For example, he thought that if a giraffe continued to stretch its neck to reach leaves, over time it would develop a longer neck eventually have offspring with long necks.
- Charles Darwin was a naturalist, geologist, biologist who traveled around the world collecting evidence about the plants and animals he observed their evolution. He concluded that organisms do swap over time, all organisms descended from a common ancestor, evolution is gradual, what drives evolution is natural selection.
- Natural selection consists of 4 steps. Overproduction, inherited variation, the struggle to survive, successful reproduction.
- Natural Selection is a process where organisms that have the traits better suited to the environment survive reproduce successfully then other organisms.
- Traits can develop change throughout a life time.
- On what basis?
- Animals do not determine their evolution, natural selection does. For example, when I was traveling I went to Galapagos Islands. there were multiple finches with different kinds of beaks. Their beaks differed based on the type of food they eat. Although they all came from a common ancestor, each is a different species because over time their location changed, meaning the traits that are the best fit to the said environment are the most successful. Therefore, my theory is correct.
- Lamarck, your theories of evolution are heavily incorrect.
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