At the molecular level, cells from different types of organisms vary in their tolerance to temperature and pH. This variation can mostly likely be attributed to the types of enzymes present in the cells.
- The tolerance ranges for abiotic environmental factors are similar to the geographic ranges that organisms have.
- To put it another way, they can tolerate (or survive in) a specific range of a given factor, but they cannot survive if the element is present in either an excessive or insufficient amount.
- Take temperature, for example. Polar bears thrive in cold climates but would perish in the tropics from excessive heat.
- Cells are incapable of acting as "liquid machinery" at temperatures below freezing and above boiling.
- The majority of cells, however, are still unable to function across the entire range of liquid temperatures.
- Variance in enzyme activity and protein denaturation are most closely related to variation in cells' capacity to vary in their tolerance to temperature, etc. at the molecular level in various animals.
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archaebacteria
Explanation:
The first organism on earth belonged to the archaebacteria kingdom. They were the first group of organisms that colonized the surface of the earth.
- They are of three major types methanogens, halophilic and thermoacedophilic.
- The first archaebacteria that evolved separately from bacteria and blue-green algae.
- They formed billion of year of ago.
- They lacked the characteristics of a true cell and they are known to be prokaryotes.
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The frequency of allele T would decrease and the frequency of allele t would increase.
That the birds are named after the color of there feathers
Answer:
In primary succession newly exposed or newly formed rock is colonized by living things for the first time.In secondary succession an area previously occupied by living things is occupied by living things is distributed-disrupted-than recolonized following the disturbance
example is eruption of volcanoes, the big island of hawaii. As lava flows into the ocean,new rock is formed
