Biology, 16.07.2019 23:30 mjohn6150

Where in the digestive tract does the breakdown of carbohydrates begin?

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Biology, 21.06.2019 18:00, alupton4887

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

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Biology, 21.06.2019 19:30, isabelvaldez123

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

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Biology, 21.06.2019 22:00, queenpanda365

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.

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Biology, 22.06.2019 02:00, Ilovesnoopy69

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area