Determine the values to complete the Relative
Frequency by Rows table.
a =
Attendance at 2-Year and 4-Year Colleges
Frequency Two-Way Table
4-Year 2-Year Total
Boys 76 3 4 110
Girls 83 38 121
Total 159 72 231
11
11
d =
Relative Frequency Table by Rows
4-Year 2-Year Total
Boys
bT 100%
Girls c
d
100%

Why do you need to classify the size of a particle

Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.

Apopulation of deer mice was introduced into a desert ecosystem. being dark-colored, the deer mice stood out in the sand and were easy prey for predators. over a few years, the color of the mice changed from dark brown to light brown. what role does natural selection play in this example? a. the change of color camouflaged them, which them hunt better. b. the change of color enabled them to regulate their body temperature. c. the change of color allowed them to hide better from predators. d. the change of color made their bodies tolerant to the harsh desert sand. e. the change of color allowed them to deflect the excessive heat.