Posts Tagged ‘life expectancy’

1) In Which community would organisms mostly likely have evolved to respond to different photoperiods?
a. coral reef
b. savanna
c. temperate forest
d. abyssal

2) Moving along altitudinal and latitudinal gradients, you’ll find the same sequence of biomes. There are equivalent changes along the gradient in which of the following except
a. temperature
b. humidity
c. vegetation
d. day length

3) Which would be most helpful in solving the world’s environmental problems?
a. increased agricultural productivity
b. increased life expectancy
c. more food from the oceans
d. decreased human birth rates
I don’t think it’s a or b but i’m not sure.

Last question: The pattern of dispersion for a certain species of kelp is clumped. The pattern for a species of snail living on the kelp would be…
a. absolute
b. clumped
c. homogenous
d. uniform
I think it’s d but I’m not sure.

Thanks

I read an article on yahoo about how Chinese officer’s life expectancy is only 43 years because of breathing in all of the pollution… It there any people in the U.S can help?