Evolution Answers

What four things must be true for humans to be evolving by natural selection to become smarter? For each of the four things, what data is there to support it? If there is no data what could be done to justify or refute the point?

What are the advantages and disadvantages experienced in the societies globally as a result of evolution of mammals ?

Did evolution occurred rapidly in early life forms?

I was trying to solve this and was stuck at the fourth option.
Which of the following sentences is true about the evolutionary process?
(1) There is no real 'progress' in the idea of evolution
(2) HUmans are unique, a totally new type of organism
(3) Progress is nature's religion
(4) Evolution of life forms was rapid in the beginning ages

Arthropods have not been able to achieve great size because
(1) the type of organ systems they possess could not support·such a development
(2) they would be unable to successfully reproduce
(3) chitin is brittle and must be thick to bear the pull of muscles
(4) their vision is not good enough to hunt larger prey

My attempt:

https://i.stack.imgur.com/S456T.png

the fur of a snow shoe rabbit changes to white during the winter. this change is a example of

What feature of a population allows for some individuals to survive and others not? a) variation b) number of offspring c) habitat d) predators

What is the environmental pressure that resulted in all the different breeds of dog? a) humans b)competition c) food availability d) disease

why rhynia considered as extinct trecheophyta

. What happens when species overproduce offspring?