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Mathematics 19 Online
OpenStudy (nathalyn):

Please help I really need help with this few questions Ijust need help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

OpenStudy (anonymous):

what questions

OpenStudy (nathalyn):

In terms of the long-term evolution of species, what really matters about an individual's life span? How many years they live How many surviving offspring they are able to have How many predators they fend off All of the above

OpenStudy (nathalyn):

I know this got to go to biology but nobody help me there!!!!!!!!!

OpenStudy (nathalyn):

pleazse help there are just 3 questions!!!!!!!!!

OpenStudy (anonymous):

I would think all of the above What do you think

OpenStudy (nathalyn):

A

OpenStudy (anonymous):

When it comes to long turn evolution you have to think about how the population has grown that is why How many surviving offspring they are able to have is important

OpenStudy (anonymous):

I believe it is either all of the about of B

OpenStudy (nathalyn):

okay what you said is true so I go for all of above can you help me with 3 moreplease @zoomiemoo

OpenStudy (anonymous):

if you give me a metal

OpenStudy (anonymous):

what are the other questions

OpenStudy (nathalyn):

What is the outcome of a random mutation causing a new trait? Bad; the trait causes problems Good or bad, depending on whether the trait is adaptive (helpful) or not It does not matter, because it will be eliminated The new trait will increase in the population

OpenStudy (nathalyn):

@zoomiemoo

OpenStudy (anonymous):

I would say the answer is b

OpenStudy (anonymous):

some mutations are good and can help the population to grow like a strong beak while some mutations are bad for example one wing

OpenStudy (nathalyn):

oh okay @zoomiemoo thank next one???

OpenStudy (nathalyn):

Nicole and Tony's parents were concert pianists. Nicole practiced for 2 hours a day since she was 3, and she became a famous pianist herself. Tony was not interested in piano, and was not that good, but found he could pick up tunes fairly easily at a party if there was a piano around. What does this scenario demonstrate? The piano-playing was inherited. The piano-playing was acquired. The talent to play was likely inherited, but actual proficiency (becoming good) was an acquired trait. Nothing can be determined from this scenario.

OpenStudy (anonymous):

This one is a little harder I think the piano-playing was acquired because his mother played the most often

OpenStudy (anonymous):

what do you think

OpenStudy (nathalyn):

A i thnk

OpenStudy (nathalyn):

@zoomiemoo

OpenStudy (anonymous):

Its hard to say because being good with tones can be integrated but I've never hear of playing piano as something inherited

OpenStudy (anonymous):

not integrated inherited sorry

OpenStudy (nathalyn):

then is D

OpenStudy (perl):

i think you need to distinguish the difference between acquired and inherited traits

OpenStudy (nathalyn):

okay?

OpenStudy (perl):

Nicole acquired her piano ability by practicing two hours a day. Tony inherited his piano ability by the fact that both his parents are concert pianists (so lets say he has a good ear for music).

OpenStudy (anonymous):

Personally, whenever nobody is sure I go with what my gut says

OpenStudy (perl):

note that tony only picked up tunes, he didn't master the piano.

OpenStudy (nathalyn):

ohhhh okay that makes a lo tof sense thank you !!!!!

OpenStudy (nathalyn):

cvan you help me wtht last question

OpenStudy (perl):

if nicole wasn't interested in the piano, its quite likely she could also 'pick up tunes' at a party. but this question seems contrived... i dont think musical ability has been shown to be inherited, or if even there is such a thing as genetic musical ability

OpenStudy (nathalyn):

okay !!

OpenStudy (perl):

for the first question i think its b) , it doesnt matter if a parent lives to an old age. what matters is how many viable offspring

OpenStudy (perl):

this is not true for humans though (fortunately), the elderly can pass on wisdom

OpenStudy (nathalyn):

okay thank you can you help with the last question!!!!!??????

OpenStudy (nathalyn):

A species of songbird was studied in a laboratory setting. Raised from hatching without any others of its species, it listened to the songs of a different species every day on a tape recorder. When it reached reproductive age, it began singing the song of the different species. However, it made the warning calls of its own species. What does this study show? Warning calls are acquired; songs are inherited Songs are acquired; warning calls are inherited This study does not show anything All sounds are acquired

OpenStudy (perl):

actually i guess its true for humans as well, if youre only interested in the survival of the species :)

OpenStudy (perl):

I think it shows that songs are acquired, warning calls are inherited

OpenStudy (anonymous):

I would say b because the bird knew the warning call but learned the different songs by listening to them

OpenStudy (nathalyn):

perl do you think is B??????

OpenStudy (perl):

yes

OpenStudy (nathalyn):

okay that was my last question thank very much @perl

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