Top 10 ecology factsEcology quiz
What is the color of eyes of owls that hunt at night?
Black. Owl's eye colour depends on the time of day in which they hunt. The ones that hunt during daylight have yellow eyes. The ones that hunt at night but also at the evenings and mornings have orange eyes. Black eyes are typical to owls that hunt only at night.
Why is the ozone hole dangerous?
It increases UV radiation. In the ozone layer, ozone molecules absorb UV-B and UV-C radiation - short wavelength forms of ultraviolet that can disrupt organic molecules, producing cancerous changes in living cells.
In order to protect seeds of the edible plants, the Global Seed Vault has been built. Where is it located?
Spitsbergen permafrost. The Svalbrad Global Seed Vault (norw. Svalbrad globale frøhvelv) is located Svalbrad archipelago, at the Sptisbergen Island in Norway. It has been built to safely store seeds of edible plants from all over the world in case of any cataclism. Vault located is in the tunnel digged in the permafrost. Currently over 1.5 mln specimens are stored
Which bird impales its food (small rodents and insect) on trees and bushes?
Red-backed shrike hunts for its food on the ground. It eats smaller prey right away, but bigger ones like rodents and insects are kept for later, impaled on trees and bushes.
Which acid mostly contributes to acid rains?
Sulfuric acid. The most important gas which leads to acidification is sulfur dioxide, coming from fossil fuel combustion and industry (and, in lesser amounts, from volcanoes and wildfires). In recent years, emissions of nitrogen oxides which are oxidized to form nitric acid are of increasing importance due to stricter controls on emissions of sulfur containing compounds.
Since 1998, Harvard University wraps marble statues on its campus with waterproof covers every winter. Why?
To protect from acid rains. The eastern third of the United States is significantly impacted by acid rain. Acids in the rain react with the calcium compounds in the stones like limestone or marble to create gypsum, which then flakes off.
Which of the G8 countries is the smallest emitter of carbon dioxide?
France. Low carbon dioxide emission in France is a result of large investments in nuclear technology. Most electricity produced by France is generated by 59 nuclear power plants. As a side-effect renewable energies are having difficulty taking off.
The beak of which bird is adapted to catch bees, wasps and hornets in their flight?
European bee-eater. As the name suggests, bee-eaters predominantly eat insects, especially bees, wasps, and hornets. They catch insects in flight, in sorties from an open perch. Before eating a bee, the European bee-eater removes the sting by repeatedly hitting the insect on a hard surface.
To which bird the mistletoe is a big treat?
Mistle thrush. Found in open woods, parks, hedges and cultivated land, the mistle thrush feeds on a wide variety of invertebrates, seeds and berries. Its preferred fruits including those of the mistletoe, holly and yew. Mistletoe is favoured where it is available, and this is reflected in the thrush's English and scientific names.