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Read an Academic Passage Test #392

Read an Academic Passage

The Role of Bees in Pollination

Pollination is a vital process for the reproduction of most flowering plants, and bees are among the most effective pollinators. As bees travel from flower to flower to collect nectar and pollen for food, they inadvertently transfer pollen grains from the male part of one flower to the female part of another. This transfer is crucial for fertilization, which leads to the production of seeds and fruits. It is estimated that about one-third of the food consumed by humans relies on pollination, primarily by bees, making them essential to both ecosystem health and global agriculture.

Bees have several physical traits that make them excellent pollinators. Their bodies are covered in fuzzy, branched hairs that readily trap pollen grains. Additionally, many bee species have specialized structures on their legs or abdomens, known as pollen baskets, for carrying large amounts of pollen back to their hives. Their foraging behavior is also highly efficient; a bee will often visit many flowers of the same species during a single trip, a behavior known as flower constancy, which increases the likelihood of successful cross-pollination.

Despite their importance, bee populations around the world are facing serious threats. Factors such as habitat loss, pesticide use, climate change, and diseases are contributing to a decline in both wild and managed bee populations, a phenomenon often referred to as colony collapse disorder in honeybees. This decline poses a significant risk to food security and biodiversity. Consequently, conservation efforts, such as creating pollinator-friendly gardens, reducing pesticide use, and protecting natural habitats, are becoming increasingly critical to ensure the survival of these indispensable insects.

1. What is the main idea of the passage?
A) Bees are physically designed to carry large amounts of pollen.
B) The human food supply is at risk because of bee population decline.
C) Bees play a crucial role in pollination, but their populations are threatened.
D) Flower constancy is the most important behavior of bees.
2. The word "constancy" in the passage is closest in meaning to
A) variety
B) randomness
C) attractiveness
D) faithfulness
3. What can be inferred from the passage about a world without bees?
A) Plants would find other insects to pollinate them.
B) Food production for humans would be significantly reduced.
C) The use of pesticides would likely decrease.
D) There would be no impact on the diversity of plants.
4. According to the passage, why are the fuzzy hairs on a bee's body important?
A) They help the bee stay warm.
B) They help protect the bee from predators.
C) They are effective at trapping pollen grains.
D) They allow the bee to fly faster.
5. What is the relationship between paragraphs 2 and 3?
A) Paragraph 2 describes bee efficiency, while paragraph 3 discusses threats to bees.
B) Paragraph 3 provides evidence to support the claims in paragraph 2.
C) Paragraph 2 discusses honeybees, while paragraph 3 discusses wild bees.
D) Paragraph 3 explains the origins of the traits mentioned in paragraph 2.

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