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¿Alguna vez te has preguntado por qué las plantas crecen hacia donde hay luz del Sol? ¿O cómo viaja el agua de las raíces a las hojas? El tallo de una planta es como una autopista por la que se transporta agua y comida a donde se necesita. Adéntrate en el

There were people who said that a bridge across the Golden Gate Straight could not be done. The bridge would need to be more than one mile (1.6 kilometers) long and be built over rushing waters. Readers will learn about how the difficulties presented by the geography of the Bay Area were overcome and the then longest suspension bridge in the United States was finished in just four years.

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In this book, early fluent readers will learn why purple loosestrife is considered an invasive species, how this plant has established itself in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled text will engage young readers as they learn more about purple loosestrife and how scientists work to control the spread. An infographic aids understanding, and an act...

In this book, early fluent readers will learn why purple loosestrife is considered an invasive species, how this plant has established itself in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled text will engage young readers as they learn more about purple loosestrife and how scientists work to control the spread. An infographic aids understanding, and an act...

In this book, early fluent readers will learn why Norway maple trees are considered invasive species, how they have become established in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled text will engage young readers as they learn more about Norway maples and how scientists work to control the spread. An infographic aids understanding, and an activity offers...

In this book, early fluent readers will learn why Norway maple trees are considered invasive species, how they have become established in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled text will engage young readers as they learn more about Norway maples and how scientists work to control the spread. An infographic aids understanding, and an activity offers...

In this book, early fluent readers will learn why kudzu is considered an invasive species, how this vine has established itself in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled text will engage young readers as they learn more about kudzu and how scientists work to control the spread. An infographic aids understanding, and an activity offers readers an opp...

In this book, early fluent readers will learn why kudzu is considered an invasive species, how this vine has established itself in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled text will engage young readers as they learn more about kudzu and how scientists work to control the spread. An infographic aids understanding, and an activity offers readers an opp...

In this book, early fluent readers will learn why Japanese honeysuckle is considered an invasive species, how this vine has established itself in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled text will engage young readers as they learn more about Japanese honeysuckle and how scientists work to control the spread. An infographic aids understanding, and an ...

In this book, early fluent readers will learn why Japanese honeysuckle is considered an invasive species, how this vine has established itself in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled text will engage young readers as they learn more about Japanese honeysuckle and how scientists work to control the spread. An infographic aids understanding, and an ...

In this book, early fluent readers will learn why famine weed is considered an invasive species, how this herb has established itself in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled text will engage young readers as they learn more about famine weed and how scientists work to control the spread. An infographic aids understanding, and an activity offers re...

In this book, early fluent readers will learn why famine weed is considered an invasive species, how this herb has established itself in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled text will engage young readers as they learn more about famine weed and how scientists work to control the spread. An infographic aids understanding, and an activity offers re...

In this book, early fluent readers will learn why English ivy is considered an invasive species, how it has established itself in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled text will engage young readers as they learn more about English ivy and how scientists work to control the spread. An infographic aids understanding, and an activity offers readers a...

In this book, early fluent readers will learn why English ivy is considered an invasive species, how it has established itself in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled text will engage young readers as they learn more about English ivy and how scientists work to control the spread. An infographic aids understanding, and an activity offers readers a...

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In this book, early fluent readers will learn why zebra mussels are considered an invasive species, how they have established themselves in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled text will engage young readers as they learn more about zebra mussels and how scientists work to control their population. An infographic aids understanding, and an activit...

In this book, early fluent readers will learn why zebra mussels are considered an invasive species, how they have established themselves in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled text will engage young readers as they learn more about zebra mussels and how scientists work to control their population. An infographic aids understanding, and an activit...