Biology, 11.03.2020 02:03, asialuv

When a cell releases a signal molecule into the environment and a number of cells in the immediate vicinity respond to

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Biology, 22.06.2019 00:10, maddie3354

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

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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

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Biology, 22.06.2019 07:30, Cooldude3966

In which of the following relationships is one organism always benefited while the other organism is always harmed

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Biology, 22.06.2019 07:50, andrewmena05

How are fungi more like an animal? they have a cell wall. they are heterotrophs that absorb their food. they produce seeds and have membrane-bound nucleus. they use sunlight for photosynthesis.

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When a cell releases a signal molecule into the environment and a number of cells in the immediate v...