The mode of a data set is
a.
the most commonly occurring data point in a data set
b.
the arithmetic average of the data points in a data set
c.
the middle point of a data set arranged in increasing order
d.
the difference between the greatest and least data points in the data set

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population. b) the separated population is small, and genetic drift occurs. c) the isolated population is exposed to different selection pressures than the ancestral population. d) different mutations begin to distinguish the gene pools of the separated populations. e) gene flow between the two populations is extensive.