(1 pt) what was the name of the original supercontinent that wegener proposed in his theory? a. atlantis b. gondwanaland c. laurasia d. pangaea

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

b. climate change will cause an increase in biodiversity of all ecosystems.

hope this