A scientist places four identical cells into four different liquids, each with different concentrations of magnesium.
Which shows evidence of active transport?
Cell
cells W and Z
Result
w
Description of Liquid
Slightly more magnesium than the
cell
The least amount of magnesium
cell W only
cell Y only
cells X and Y
>
Y
Slightly less magnesium than the
cell
The most amount of magnesium
Took in
magnesium
Took in
magnesium
Took in
magnesium
Took in
magnesium
N

climate change and pollution

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.

burning fossil fouls really decrease the carbon in the atmosphere so b