A sample is a random, unbiased selection out of a larger group. An independent variable is one that is changed as to see how it will affect the dependent variable in an experiment.
Hope that helped.
A because they can eat out of the trash where the others require thenforest to live. Hope this helped.
You have to think of contaminated water if it were to evaporate it can effect the water cycle of an environment
Answer:
Dichotomous keys can only be used to classify organisms based on their observable traits.
Explanation:
I got it wrong on connexus so i hope you dont make the same mistake i did ;-;