The statement about a dichotomous key is true is 2
Humans have caused quokka populations to decrease due to animal cruelty. Humans have also introduced predators to quokkas, such as dogs and cats.
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Weathering and erosion .. as weathering occurs breaking up the rock it can be transported through erosion .there are two categories of weathering processes: physical and chemical . although they are two very different processes that work together to break down rocks and minerals.
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Answer:
7th Science Honors Ch. 4 Vocab
A B
population size: the number of individual organisms present in a population at any given time
population density: the number of individuals in a population per unit of area
population distribution: how organisms are arranged within an area; sometimes called population dispersion.
Explanation: