What is all this talk of cicadas lately in the United States? You might be wondering why the media has featured it, but in fact, the discussion about cicadas has emerged about as predictably as the cicadas themselves from their underground refuge. Let's get oriented with some background on cicadas.

What is a cicada? A typical definition will at least tell you that the cicada is a large, loud insect with long transparent wings, mostly found in warm countries. A more detailed response might also inform you that cicadas have short antennae and wide-set eyes that jut out, with delicate, translucent wings - and that not only is the cicada loud, but few creatures make a louder sound. In fact, it is male cicadas that are the noisy ones, to the tune of 80 to 100 decibels, which is like the roar of a loud engine. This is because male cicadas make a strident, high buzzing by vibrating two membranes on their abdomen called tymbals, effectively turning its body into a kind of echo chamber or drum. Female cicadas cannot replicate the buzzing, though they respond with a clicking sound when they are ready to mate.

Although there are several species of cicada, mating typically takes place in trees whereafter the female deposits the eggs into the bark. When the eggs hatch, the larval cicadas, called nymphs, drop to the ground and burrow. They then live as nymphs for most of their lives over 6 feet underground, with both male and female cicadas dying within weeks of their emergence from the soil. This is particularly true for North American cicadas, especially the Magiccodo, or periodical cicadas, which regularly...

Which of the following best describes the theme of this passage?

Which of the following areas of a textbook includes supplemental materials and additional information to the text?

Letter from the Chair of Elkinsville Ecological Society

Many of you have heard about the proposed northward expansion of the interstate, which currently ends just south of Elkinsville. In the recent debate over how this work will go forward, the focus has been on weighing economic costs and benefits. Indeed, many local politicians claim to favor the project because it will bring jobs in the short term and more visitors to Elkinsville in the long term. These politicians also argue that the proposed plan is the least environmentally damaging way to expand the highway farther upstate. This cannot be true, however, since the proposed expansion involves not just the widening of existing roads, but also the construction of more than a dozen miles of new-terrain highway.

Which of the following statements can be supported by evidence from the passage?

What source would be most useful in determining the reliability of Punxsutawney Phil's predictions over a number of years?

Dear Aunt Suzanne,

I have a few minutes before I get on the bus from Galway back to Dublin and wanted to tell you how my class trip to Ireland is going. We just spent 2 days on Inis Mor, the largest of the Aran Islands, which are just off the central west coast of Ireland. We took a ferry from Galway, a ride that takes about an hour and was quite gray and stormy.

For an island that is only about 12 square miles, there is a lot to do and see on Inis Mor! After eating steak and vegetable stew and brown bread with butter, we went to the sweater market, where all kinds of woolen products were sold. The Aran Islands are known for their wool because sheep thrive here and generations have used woolen sweaters and hats to survive long cold days of fishing on the open sea. In fact, I learned that each family or clan has its own signature knitting pattern and some are able to tell which family someone belongs to by the pattern of their sweater! The Healy pattern is an interesting combination of twists and braids, and I found you a birthday souvenir with a beautiful example

The next day, we rented bicycles and toured the island. We saw ancient ruins, a prehistoric hill fort, and a white sand beach. We also climbed down to a mysterious rock formation known as The Worm Hole" a rectangular hole in a stone shore that fills with thrashing waves and looks like it houses a terrible serpent (see attached photo). The Worm Hole was difficult to find, and when we stopped someone for directions, she only Spoke Gaelic Sometimes this island seems stuck in an earlier time.

Which of the following additional sources would have a comparable theme to the passage?

Dear Aunt Suzanne,

I have a few minutes before I get on the bus from Galway back to Dublin and wanted to tell you how my class trip to Ireland is going. We just spent 2 days on Inis Mor, the largest of the Aran Islands, which are just off the central west coast of Ireland. We took a ferry from Galway, a ride that takes about an hour and was quite gray and stormy.

For an island that is only about 12 square miles, there is a lot to do and see on Inis Mor! After eating steak and vegetable stew and brown bread with butter, we went to the sweater market, where all kinds of woolen products were sold. The Aran Islands are known for their wool because sheep thrive here and generations have used woolen sweaters and hats to survive long cold days of fishing on the open sea. In fact, I learned that each family or clan has its own signature knitting pattern and some are able to tell which family someone belongs to by the pattern of their sweater! The Healy pattern is an interesting combination of twists and braids, and I found you a birthday souvenir with a beautiful example

The next day, we rented bicycles and toured the island. We saw ancient ruins, a prehistoric hill fort, and a white sand beach. We also climbed down to a mysterious rock formation known as The Worm Hole" a rectangular hole in a stone shore that fills with thrashing waves and looks like it houses a terrible serpent (see attached photo). The Worm Hole was difficult to find, and when we stopped someone for directions, she only Spoke Gaelic Sometimes this island seems stuck in an earlier time.

Which of the following details supports the inference that Eva's family has Irish roots?

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For which of the following situations would this advertisement be useful?

"The Santa Barbara Journal": Exciting news today from Vandenberg Space Force Base as it has ended its Delta IV Heavy rocket program to make way for the new Atlas V program. Riddled with difficulties, Delta IV Heavy saw only moderate success throughout its 21-year history. Developed on the heels of the last tragic Space Shuttle flight, expectations for the Delta IV Heavy have far exceeded their reality. Future hopes now lie with the Atlas V program developed by Lockheed Martin.

A social media post: @ggh723 The space program is an outdated use of taxpayer funds. We have enough problems on Earth to worry about what's happening in the universe.

Which of the following themes do the two above passages share?

If a user of this phone system wants to find the most recently deleted message, listen to it, and then record a reply, which of the following sequences of numbers will the user select?

Gold is a widely known metal, often used for making jewelry. Pure gold is called 24-carat gold, but there is also 14-carat gold. Because gold is a soft metal, it is sometimes combined with another metal to harden it, such as copper. Fourteen-carat gold is named as such because 14 out of the 24 carats, approximately 60%, is gold and the remaining 10 carats, or 40%, is some other metal.

Which of the following is the purpose of the passage above?

Which of the following is the main purpose of a newspaper editorial written in support of education reform?