AP BIOLOGY

EVOLUTION

HISTORICAL CONTEXT FOR EVOLUTIONARY THEORY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Funny example of Lamarck:If acquired characteristics was true, and both of your parents took a biology class in high school, which of the following would be true about you?
A
you are starting this course with their knowledge
B
you don’t need to take this course because they already passed it
C
somewhere in your brain you already know this
D
nothing-you don’t have any knowledge from your parents
Explanation: 

Detailed explanation-1: -For example, Lamarck believed that elephants all used to have short trunks. When there was no food or water that they could reach with their short trunks, they stretched their trunks to reach the water and branches, and their offspring inherited long trunks.

Detailed explanation-2: -If the theory of inheritance of acquired character proposed by Lamarck would have been true than offspring’s born later in parents’ life would have better acquired characters and would be more advanced than offspring’s that were born earlier.

Detailed explanation-3: -Examples of Lamarckism The ancestors of the giraffe looked like horses with small necks and forelimbs. They lived in areas where there was no surface vegetation. Therefore, they had to stretch their neck and forelimbs to eat leaves from tall plants. Consequently, these parts got elongated.

Detailed explanation-4: -He is remembered most for his theory of evolution, that proposed that the characteristics an organism develops during its lifetime in response to its environment are inherited by, or passed on to, its offspring.

There is 1 question to complete.