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Almost all plants benefit humans
Pet therapy!
quantitative
Doctors can use radioactive isotopes to treat certain types of cancer, such as prostate cancer. Geologists use isotopes to date some rocks and fossils.
For humans it may teach them to be prepared for anything.Like when they went tords the tsunami it was alesson for the other humans ,now they are not doing that.
A 'resource' is anything humans can use to their benefit.
99.999% of all energy that humans use is originally form the Sun.
Genetic variation allows a population to adapt to a changing environment.
There is variation among humans because of sexual reproduction, crossing over, assortment, and mutations.
they benefit humans by eating chicken breats
Almost all plants benefit humans
It can have sex with its self and have babies and can fertilize its own egg.
Not really. In symbiosis, each partner derives benefit from the partnership. While rats benefit from humans, humans do not benefit from rats.
For genetic variation to take place
humans are animals and they benefit from eating cows. humans also benefit from drinking the milk of cows.
There would be less genetic variation in humans
no they are not