Volcanic activity
fault lines
mnt. ranges
and siesmagraphs
This has happened before in Yellow Stone National Park in CA. Removing a species form the Pyramid causes the ecosystem to collapse, as species become over hunted and others are starved. One type of organism could become overpopulated, therefor lack of natural variation.
Answer:
Examples of polygenic traits
E.the number of amino acids in the protein
Answer:
The junction between two neurons is called a Synapse.
