Answer:
Competition in science is when two or more organisms compete for resources such as food, water, or shelter.
Explanation:
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One effect of an adaptive radiation apex is the growth of groups of diverse organisms into several arrays of niches. When this happens, physical changes both on the organism and its environment also evolves. This situation gives way to the continuous process of evolution within a short period of time.
Your digestive system breaks nutrients into parts small enough for your body to absorb and use for energy, growth, and cell repair.
Answer:
One band of light density and one band of heavy density.
Explanation:
According to conservative model of replication, the original strands do not separate from each other during replication. Hence, after replication the old strands are together and the new strands are together.
Here, cells were grown in 14N medium first so 14N was used for DNA replication and all DNA molecules had 14N. When the cells were transferred to 15N medium, only 15N was available for replication process. New DNA molecules would be synthesised using 15N (15N15N) and old DNA molecules have 14N (14N14N). Hence, in density gradient one band will be of light density (14N14N) and one band will be of heavy density (15N15N).