The Plant Kingdom
Plants are one of the most visible elements in the countryside. They provide colour, greenery and beauty where they live and flourish. Plants are not only decorative, but also essential life-giving organisms. They release oxygen into the atmosphere and provide food and nutrients for many organisms on Earth. Plants prevent soil erosion. They also provide us with wood and many medicines to fight illness and disease. [...]
Esta secuencia contiene:
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10 actividades
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81 recursos
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Idioma:
- Inglés
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Formato:
Interactivo
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Secuencia didáctica
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Didactic objectives To determine the morphological and functional characteristics that distinguish the plantfrom animals. To know the main characteristics of the taxonomic groups comprising the plant kingdom. [...]
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1. Plants Plants originated 500 million years ago from green algae in the sea. Plants are multicellular organisms with particular characteristics: They are held in place in the ground by roots. They are autotrophic. [...]
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Plants are one of the most visible elements in the countryside. They provide colour, greenery and beauty where they live and flourish. Plants are not only decorative, but also essential life-giving organisms. [...]
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1.1. The origin of plants Plants originated 500 million years ago, from green algae that started life in the sea and gradually adapted to life on land. [...]
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2.1. Plant groups Plants can be classified into two groups: Vascular plants. Plants which have vessels for transporting sap from the roots to the leaves and vice versa. Examples are ferns and seed-producing plants. Non-vascular plants. [...]
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3.1. Seed-producing plants Seed-producing plants reproduce through seeds. Like ferns, they have vessels and vegetative organs. There are two groups of seed-producing plants: Gymnosperms are plants with unprotected seeds. [...]
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4.1. Angiosperms Angiosperms are plants with protected seeds that produce fruits. They have bright, colourful flowers. [...]
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There are more than 257000 species of angiosperms. They are the most diverse group of plants. Although angiosperms are most abundant in tropical areas, they are widely distributed. [...]
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Plants are one of the most visible elements in the countryside. They provide colour, greenery and beauty where they live and flourish. Plants are not only decorative, but also essential life-giving organisms. [...]
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Plants are one of the most visible elements in the countryside. They provide colour, greenery and beauty where they live and flourish. Plants are not only decorative, but also essential life-giving organisms. [...]
Cursos y asignaturas
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12 años:
- Geologia
- Biología
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13 años:
- Geologia
- Biología
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