Describe two different biotopes, with different biotic and abiotic factors that have impact on biotopes. You must describe the biological diversity and be able to explain different types
of food chains and pyramids that prevail in the various biotopes. You should also be able to explain
how different food webs can look in the areas.
From this you must then pick out one or more a

Scientist have long study the earths climate by looking at which of the following? the earths orbit. the earths rock layers. the antarctic ice. the earths oceans.

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

Which feature of a human community is similar to a niche in a biological community