<span>Evidence that human activities influence the global climate system continues to accumulate. Data indicate that Earth's surface temperature is rising. This increase can be attributed, in part, to human-caused increases in greenhouse gases such as carbon dioxide. It is becoming apparent that these climatic changes are negatively affecting physical and biological systems worldwide.</span>
Answer:
Seaweed might start to grow out of control withough crabs eating it, octopuses on the other hand would struggle to find food and start to die off because they relie on crabs to be their food source.
Answer:
Genetic evidence like difference in ribosomal sequence.
Explanation:
Earlier archaea were considered in bacteria because of their similar appearance with bacteria. Other than similar appearance they also show other similarities with bacteria like lack of nucleus and membrane-bound organelle, presence of single chromosome, mode of reproduction, etc.
Carl Woese was the scientist who discovered archaea and made a separate domain for archaea. After the sequencing archaeal genome, he found that the gene sequence like rRNA sequence of archaea is not similar to bacteria and eukarya. So by genetic evidence, he divided prokaryotes into two domain bacteria and archaea.
The correct answer is letter D. These beetles have an adapted structure. This refers to traits that they have inherited from their ancestors gene pool. Overtime the need and function for these structures are not needed by beetles in their overall survival, but the genetic code remains in their system which still gives birth to their wings that are not used anymore because of the new type of adaptation that they are going through.
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