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Ultimately the sole cause of different species is restricted breeding. Males and females of one species will only mate with males and females of the same species.
Now there may be a secondary factor that is the main cause, such as geographic isolation. The two species develop separately because there is a mountain range in between them and the males of each type can't get access to the females of the other type. But as you can see it is the restricted breeding that ultimately does it.
Now for two species of stickleback in the same lake. It may be that the females are finicky in their chose of mates and prefer male with a certain colour pattern, or they prefer nests built at a certain depth which males have an inclination to build at different heights.
What else can I help you with?
Are there marine life in lake toba?
Yes, Lake Toba in Indonesia is home to several species of fish, including carp, tilapia, and catfish. Additionally, there are freshwater snails and shrimp that live in the lake.
What animals are in Lake Baikal?
For about five months of the year, Lake Baikal is covered by a sheet of ice. For this reason, about 80% of the animals found living in the world's largest fresh water lake are not found anywhere else in the world.
A species of fish is introduced into a lake. The fish is better at hunting for food than the old fish. The old fish die off and the new fish population increases. Which is the best way to describe the?
invasive species
Name 20 lakes in north America?
Oologah lake-skiatook lake-lake superior-lake Huron-grand lake-lake eufaula-fort Gibson lake-keystone lake-lake Hudson-sooner lake-beaver lake-table rock lake-lake greeson-lake ouachita-shady lake-horsehead lake-cove lake-Longview lake-Stockton lake-spring fork lake-mark twain lake-Truman lake-lake niangwa-lake Barkley-iron mountain lake-clear creak lake-el dorado lake-hillsdale lake-Milford lake-Osage county lake-redbud lake-Wilson lake-Marion county lake-lake view lake-happy hollow lake-Clinton lake-lake buchanon-lake texoma-Lewis lake-caddo lake
What type of duck has a penis as long as its body?
IT LOOKS LIKE A CORK SCREW. OR A WINE OPENER
What could be in lake water?
there are many living species in lake water... most are fish. depending on the lake, the species are inevetible
How did humans change mono lake?
Humans have altered Mono Lake primarily by diverting water from its tributary streams, leading to a decrease in the lake's water levels. This diversion has disrupted the lake's ecosystem, causing a decline in the population of the native species. Additionally, pollution from agricultural runoff and urban development has further impacted the lake's water quality.
What is a interesting fact about lake superior?
There are 78 species of fish in Lake Superior.
How many species of fish is lake Malawi is southern Africa home to?
300 species
What are the endangered species in chilika lake?
so that they are kept safely. also to prevent extinction of the species
What is a pioneer species in lake?
Pioneer species secrete acids that help break down rocks.
What caused Lake Sarez to form?
Mole people
How many species of fish is lake Malawi in southern Africa home to?
about 300 species. it has the most number of fish species on earth.
What are the native species to lake Huron?
white tail fox
What lake in Africa has the most fish species in the world?
Malawi
Are there invasive species in Lake Erie?
the ones that arent native.
Where is Lake Ridge?
Lake Ridge is a development located withing the cities of Cedar Hill and Grand Prairie Texas. The development is over 5,000 acres and while it is not a stand alone city it is larger than many small cities. The development sits on Lake Joe Pool just South of Dallas.
