Glowworm Life Cycle and Characteristics

Read this sentence from paragraph 2. "As your eyes adjust to the darkness, you see a million lights reflected in the water." What does the word adjust tell about what your eyes do in a cave?

• A. They reflect bright colors.

• B. They stare at the cave ceiling.

• C. They glow so they are seen in dim light.

• D. They get used to working in a new place.

What causes the glowworm to glow?

• A. plants eaten by the glowworm

• B. light reflected from the water

• C. chemicals inside the glowworm

• D. shiny rocks on the cave ceiling

Read these sentences from paragraph 3. "The glowworm is the larval or maggot stage of a flying insect and is no bigger than a common housefly. Yet, for the past 100 years, millions of people from all over the world have traveled to the Glowworm Caves at Waitomo in New Zealand to see them." What does the word common mean as it is used in these sentences?

• A. usual

• B. small

• C. interesting

• D. friendly

Read these sentences from paragraph 4. "The worms remain in the glow-in-the-dark stage for nine months, during which they grow to be an inch long. Next, their light dims and they grow and develop for two weeks." Which best describes the connection between these sentences?

• A. They show that one thing makes another thing happen.

• B. They show the order in which certain events happen.

• C. They show how things are the same as each other.

• D. They show how things are different from each other.

Which word has the same meaning as snagged in paragraph 4?

• A. interested

• B. eaten

• C. confused

• D. caught

According to the picture, how long does the adult insect live?

• A. 3 days

• B. 2 weeks

• C. 3 weeks

• D. 9 months

At which stage of its life cycle does the glowworm begin to glow?

• A. egg

• B. larva

• C. pupa

• D. adult

How long is the glowworm's entire life cycle?

• A. 11 months

• B. 2 weeks

• C. 9 months

• D. 100 years

Read this sentence from paragraph 6. "The cave at Waitomo where millions of glittering lights greeted Chief Tinorau and Mace is now called Glowworm Grotto." What does the word glittering mean?

• A. burning

• B. colorful

• C. blinking

• D. friendly