CHOOSE YOUR CHALLENGE Have an eye for nature? Small questions, big discoveries. Photos come from records within the municipality; explanations describe the biology of each species.
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All themes28 Plants10 Fungi5 Birds6 Amphibians1 Insects4 Molluscs2 10 pistas disponíveis · Plantas
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CLUE 1 / 10 What structure is part of the ash fruit, called a samara? A wing A shell A fishhook
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Find the answer A wing The fruit is a samara: it has a wing, with the seed at its base.
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Stories about species and nature. Continue → CLUE 2 / 10 How does this fern reproduce without flowers? Through fruits with stones Through spores Through flower bulbs
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Find the answer Through spores On the underside of the fronds are sori, structures involved in producing spores. Ferns reproduce without flowers.
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Stories about species and nature. Continue → CLUE 3 / 10 What type of fruit does common hawthorn produce? A pome A bulb A needle
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Find the answer A pome Its fruit is a pome: botanists use this category for fruits with a particular structure, beyond their shape or colour.
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Stories about species and nature. Continue → CLUE 4 / 10 What are areas dominated by ferns called in Portuguese? Fetais — fern stands Amiais — alder woods Carvalhais — oak woods
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Find the answer Fetais — fern stands It can colonise burnt areas and abandoned pastures, forming patches dominated by bracken.
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Stories about species and nature. Continue → CLUE 5 / 10 What habitat is described for foxglove of the subspecies purpurea? Cool woodland edges and clearings Dunes exposed to salt water Inside flowing water
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Find the answer Cool woodland edges and clearings The subspecies purpurea is described on the edges and in clearings of woods and scrub, in cool, shady places.
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Stories about species and nature. Continue → CLUE 6 / 10 Do holly leaves always have spiny edges? Yes, with no differences between branches No: some can have smooth edges They only become spiny after falling
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Find the answer No: some can have smooth edges Evergreen leaves with spiny edges, which can be smooth on older branches or plants.
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Stories about species and nature. Continue → CLUE 7 / 10 Why can a strawberry tree have flowers and ripe fruit at the same time? The fruit ripens on the day of flowering The flowers turn directly into leaves The fruit takes about a year to ripen
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Find the answer The fruit takes about a year to ripen The fruits take about a year to ripen and may be present at the same time as the next flowering.
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Stories about species and nature. Continue → CLUE 8 / 10 Which part of carqueja also carries out photosynthesis? The winged stems Only the roots The already dried seeds
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Find the answer The winged stems The winged stems carry out photosynthesis; the leaves are very small.
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Stories about species and nature. Continue → CLUE 9 / 10 What does a marcescent leaf mean on a Pyrenean oak? A leaf that never dries A dry leaf that stays on the branch during the unfavourable season A leaf that turns into an acorn
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Find the answer A dry leaf that stays on the branch during the unfavourable season Leaves can be deciduous or marcescent: some dry out and remain on the branches during the unfavourable season.
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Stories about species and nature. Continue → CLUE 10 / 10 What habitat is mentioned for alder buckthorn? Only salt water Only dry land without trees Damp places, including banks and oak woods
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Find the answer Damp places, including banks and oak woods Woodland and scrub along banks, hedges and damp places, including under the canopy of oak woods.
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Stories about species and nature. Continue → Curiosity stays with you.
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