Answer:
Species are the organism that can mate with each other to produce a fertile offspring.
Explanation:
Specie is the smallest component of classification. In species, organisms are very close to each other in appearance and in many characteristics. Species produce fertile offspring i. e. new organism when the male organism mate with female organism. In this mating, the sperm cells of male fused with egg cells of female produce a zygote which turns into a new organism.
Origin of Prokaryotic and Eukaryotas. Fossil records indicate that Eukaryotas evolved from prokaryotic somewhere between 1.5 to 2 billion years ago<span>. Two proposed pathways describe the invasion of prokaryotic cells by two smaller prokaryotic cells.</span>
The answer to this question can be "Precipitation" or "Hail/Sleet".
A phylogeny of the same taxa based only on morphological traits:
Some highly conserved genetic sequences can result in unrelated species appearing closely related in a molecular phylogeny, and not reflect the same pattern as the morphologic phylogeny.
Gene sequence changes may not result in morphological changes.
Gene sequences always provide more data than morphological traits.
Morphological analyses always provide more data because each morphological trait is the result of the expression of many genes.
The molecular data may be based on the analysis of introns, which aren't expressed and don't contribute to the evolutionary history of a group of taxa.
Why is molecular data more accurate?
Phylogenetic trees reconstructed from molecular sequences are often considered more reliable than those reconstructed from morphological characters, in part because convergent evolution, which confounds phylogenetic reconstruction, is believed to be rarer for molecular sequences than for morphologies
Learn more about molecular data :
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Sunlight is the original source of almost all energy in most ecosystem.
