Answer:
An introduced species is not necessarily harmful to the environment; an invasive species has a negative effect.
Explanation:
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Answer:
In an observational study, we measure or survey members of a sample without trying to affect them. In a controlled experiment, we assign people or things to groups and apply some treatment to one of the groups, while the other group does not receive the treatment.
Explanation:
Pluto because it is so small or the sun if you count that because it is the hottest thing in the entire universe
The effect of deforestation due to urbanization is partly to lose habitat for wildlife that lived in the forest and also it can increase erosion if it is on a mountainside with somewhat steep terrain, for example. On the other hand, once a new section of city is developed properly, it may have have new parks which can provide some habitat for small animals like squirrels and also birds.
