Homework Help: Science 7R - HW Check (PLZ read!)

Posted by Laruen on Monday, February 6, 2012 at 5:37pm.

Compare Lamarck's explantion of evolution with Darwin's theory.

My Answer - After scientist collected large amounts of data on the inheritance of characteristics, Lamarck's explanation was rejected. Darwin's developed the theory of evolution still accepted today.

Is my answer to this question is correct????????

Science 7R - HW Check (PLZ read!) - Ms. Sue, Monday, February 6, 2012 at 5:39pm
No. You did not answer the question.

What was Lamarck's explanation of evolution?

How was it different from Darwin's theory?
Science 7R - HW Check (PLZ read!) - Laruen, Monday, February 6, 2012 at 5:41pm
Lamarck believed that organisms tried to make themselves better during their lifetimes and that the improvements or changes they made would be passed on to their offspring.
In Darwin's theory, natural selection plays the key role. Organisms vary through random mutations--slight changes from their parents. The environment determines which are most likely to survive.

In Lamarck's theory, changes in phenotype are inherited.
Science 7R - HW Check (PLZ read!) - Laruen, Monday, February 6, 2012 at 5:42pm
I'm going to make that into a 2-3 answer.
Science 7R - HW Check (PLZ read!) - Ms. Sue, Monday, February 6, 2012 at 5:48pm
That's correct now.
Science 7R - HW Check (PLZ read!) - Laruen, Monday, February 6, 2012 at 5:48pm
Lamarck's explanation can be tested by experimentation. Female Great Danes with cropped ears don't give birth to puppies with cropped ears. Each puppy must have its ears cropped after birth to obtain the typical shape of a Great Dane's ears. His explanation was rejected.
Science 7R - HW Check (PLZ read!) - Laruen, Monday, February 6, 2012 at 5:49pm
Ok
Science 7R - HW Check (PLZ read!) - Laruen, Monday, February 6, 2012 at 5:58pm
Thank You Ms. Sue! :)
Science 7R - HW Check (PLZ read!) - Ms. Sue, Monday, February 6, 2012 at 5:59pm
You're welcome, Laruen.

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