Main Idea Warm-up Unit 17B

Front

Ants navigate vast distances back to their nests using various methods. Some use scent trails, while others remember landmarks or use the sun for orientation. The main focus of the paragraph is:

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how ants locate homeward paths.

Front

Richard Wright was born on a Mississippi plantation in 1908, raised in an orphanage, discovered his writing talent in Chicago (1934), and wrote 'Uncle Tom’s Children' (1938) and 'Native Son'. He moved to Paris in 1945 and died in 1960.

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who Richard Wright was

Front

A bear delayed a major project on the Alaskan oil pipeline.

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Reason for the delay: a multi-million-dollar work project was postponed due to a bear.

Front

In 1908, climbers faced freezing winds on Mount Karissimbi, leading to 20 deaths out of 40.

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What happened to the climbers of Mount Karissimbi.

Front

Insects may help solve food shortages; they are a great protein source, with locusts, termites, and houseflies having more protein than beef. Some insects also provide necessary roughage. Baby bees, caterpillars, crickets, beetles, and certain mosquitoes are consumed in places like Australia, South America, and Asia. The paragraph tells mainly --

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why insects could solve the food shortage.