Biology, 21.01.2021 21:30 AriaMartinez
The diagram shows the colonization of an island habitat that has never been occupied by a particular species of beetle. Which statement regarding the diagram is true?
the beetles on the island have higher rates of mutation due to their isolation and mutants always have a natural selective advantage
the beetles on the island have a greater amount of genetic variety than the original population of that species of beetle (stabilizing selection)
the one beetle that was introduced to the island is the common ancestor of all of the beetles of that species on the island showing founder effect (genetic drift)
the beetle species on the island shows a case of disruptive selection and increasing genetic diversity
fast
Answers: 3
Biology, 22.06.2019 02:00
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
Answers: 2
Biology, 22.06.2019 04:50
Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.
Answers: 1
Biology, 22.06.2019 15:30
Which one is an advantage of external fertilization a. the offspring are genetically identical to the parents b. more eggs can be fertilzed at one time c. more sperm can be released at one time d. more protection is available for developing plz
Answers: 1
The diagram shows the colonization of an island habitat that has never been occupied by a particular...
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