Answer:
identify the variables
Explanation:
control:type of lemon used
dependent:whether apple slice turns brown at pH>2
independent:pH value
if we wipe out an animals natural habitat, or introduce new wildlife the animals could die. This could cause a major problem in the areas ecosystem. That is what i know, and i think that major problems would happen, like to many of one species, which takes all the food from the other species, causing major problems, and even more animals to die.
A cell wall<span> is a structural layer that surrounds some types of </span>cells<span>, situated outside the </span>cell membrane. <span>The rigid outermost </span>cell<span> layer is found in plants and certain algae, bacteria, and fungi but not from animal </span>cells<span>. </span>
6H2O, 6CO2, (light) energy (inputs)
C6H12O6 (glucose), 6O2 (outputs)
Hope that helps :)