Biotic and abiotic factors because without abiotic factors the biotic organisms cant live in an ecosystem.
Answer:
The correct answer is - Take blood samples and use DNA evidence to determine a more complete phylogenetic tree
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Explanation:
Scientists could not use DNA evidences to make a complete phylogenetic tree of Icthyosaur as there are no blood samples or other DNA molecules to create DNA printing or mapping to create phylogeny with the modern dolphins. They only can be make similarities based on the morphological characteristics of these two groups.
Thus, the correct answer is - Take blood samples and use DNA evidence to determine a more complete phylogenetic tree
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Coronary artery disease is when plaque in arteries causes blood to not flow correctly or as smoothly as possible. Therefore, a heart attack can occur if blood can't flow.
Answer:
Scientists would most likely want to forecast space weather in order to know if it is safe for not only to lift off into outer space, but to be able to help astronauts in any case of emergency if something were to happen in the future.
Such as debris of small rocks that could pass by, so then astronauts would have to stay in the shuttle. To be protected from it.
In any case, scientists want to forecast the weather in outer space in order to protect astronauts, from any incoming dangers.