Ecology questions This is a list of recently added questions about ecology. Play ecology quiz and see all the questions. Where is the world's largest national park?In Greenland. Northeast Greenland National Park is the largest protected land area in the world. Established in 1974 and expanded to its present size in 1988, it protects 972,001 km2 and is bigger than all but twenty-nine countries in the world. Created by: Ninjaivery hard 38% in Russiain Russia3in Canadain Canada13in Greenlandin Greenland29in the United Statesin the United States30records riddles » What is limnology?The study of inland waters. It covers the biological, chemical, physical, geological, and other attributes of all inland waters (running and standing waters, both fresh and saline, natural or man-made).Created by: Ninjaivery hard 37% the study of inland watersthe study of inland waters196the study of aquatic organismsthe study of aquatic organisms201the study of lichensthe study of lichens98the study of mushroomsthe study of mushrooms32biology riddles » What is synecology?The study of the interactions between species in communities. Community ecology or synecology is the study of the interactions between species in communities on many spatial and temporal scales. The primary focus of community ecology is on the interactions between populations as determined by specific genotypic and phenotypic characteristics.Created by: Ninjaihard 40% the study of singular living organismsthe study of singular living organisms77the study of genetic variation in crop plantsthe study of genetic variation in crop plants114the study of the interactions between species in communitiesthe study of the interactions between species in communities172the study of environmental problemsthe study of environmental problems57nature riddles » What date is earth Day celebrated annually ?April 22. Earth Day is an annual event celebrated on April 22. Worldwide, various events are held to demonstrate support for environmental protection. First celebrated in 1970, Earth Day events in more than 193 countriesCreated by: Tschuka average 60% April 22April 22137March 22March 2247July 22July 2215September 22September 2228Earth riddles » Which of these lakes is considered the most toxic in the world?Lake Karachay is a small lake in central Russia. It is often referred to as the most polluted site on earth. Containing just one square mile of water, the lake formed a dumping ground for nuclear waste by for around 12 years.High level radioactive waste makes up almost the entire lake-bed to a depth of around 3.4 meters. Some areas surrounding the lake have radiation measurements of around 6 Sv/hour, which is enough to give a lethal dose to a human in as little as 30 minutes¹. Created by: Tschuka very hard 38% Aral SeaAral Sea42Lake KarachayLake Karachay84Lake RainierLake Rainier27Lake CzebarkulLake Czebarkul65lakes riddles » 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.Created by: Ninjaivery hard 28% yellowyellow73blackblack97orangeorange47it doesn't matter, all owls hunt at nightit doesn't matter, all owls hunt at night123eyes riddles » Which of these birds belong to the altricial species?Crows. Altricial species are those in which the young are incapable of moving around on their own soon after hatching or being born. The word is derived from the Latin root alere, meaning "to nurse, to rear, or to nourish" and indicates the need for young to be fed and taken care of for a long duration.Created by: Ninjaihard 43% pheasantspheasants93swansswans129ducksducks160crowscrows298ornitology riddles » Which owl species builds nests?Owls don't build nest . Owls don't build their nests, they just find a nesting place and adjust it to their needs. Some of them use abandoned nests after other species.Created by: Ninjaiaverage 69% eagle-owleagle-owl102long-eared owl long-eared owl 73tawny owltawny owl96owls don't build nest owls don't build nest 621birds riddles » Which bird in duck family use nest boxes?Common goldeneye. Their breeding habitat is the taiga. They are migratory and spend most winter in protected coastal waters or open inland waters at more temperate latitudes. Naturally, they nest in cavities in large trees, where they return year after year, though they will readily use nest boxes as well.Created by: Ninjaiaverage 65% common scotercommon scoter127red-breasted merganserred-breasted merganser96common goldeneyecommon goldeneye672long-tailed ducklong-tailed duck126animals riddles » 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 keeps for later by impaling it on trees and bushes.Created by: Ninjaihard 47% long-eared owllong-eared owl79red-backed shrikered-backed shrike389short-toed eagleshort-toed eagle188European honey buzzardEuropean honey buzzard160nature riddles » Play ecology quiz and see all the questions.