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English, 21.06.2019 22:00
Biologists recognize five levels of cell organization. the lowest and simplest is the cellular level. organisms here are either unicellular organisms, like protozoa, or colonial organisms. colonial organisms are composed of single-celled individuals that stay together to sustain the life of the whole colony. next on the scale of complexity is the level occupied by tissue. a tissue is a group of similar cells which perform a similar activity. tissues that are organized around a common function together make up an organ, the third level of complexity. the fourth level of organization is the system, formed by a group of organs which together perform a specific bodily process. the fifth and highest level is the organism level, in which body systems work together in a structure capable of independent life. main idea:
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English, 22.06.2019 01:00
Which website most likely provides reliable information about climate change?
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English, 22.06.2019 02:00
Agood thesis is very specific. it is not just a general statement. select the best answer from the choices provided t f
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To calculate the mean, all the numbers in the data set and then the total by the number of members...
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