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Which of the following is most likely similar to a common ancestor of all?
jawless fish
If you compare organisms with similar characteristics what indicates recent their common ancestor probably is?
The more similar the genes and traits of the organisms are, the more recent their common ancestor is likely to be. The presence of shared genetic sequences or homologous structures can also indicate a more recent common ancestor. Additionally, proximity in the evolutionary tree of life and geographic proximity can also suggest a recent common ancestor.
Are you family to your 1st cousins second cousin?
Probably not. You are technically only family if you share a common ancestor. If you do share a common ancestor, then they will be your 2nd cousin as well. It is not likely (but possible) that you are related to them.
Do crocodiles share a common ancestor with dogs?
That seems very likely since everything is interelated.
How can DNA be used to estimate how long ago two species shared a common ancestor?
By comparing the similarities and differences in DNA sequences between the two species, scientists can estimate the amount of time that has passed since they shared a common ancestor. The more similar the DNA sequences are, the more recent the common ancestor is likely to be. This is based on the principle that DNA sequences accumulate mutations over time, which can be used as a molecular clock to track evolutionary changes.
What is the original ancestor that the plant-animal descended from?
Plants and animals share a common ancestor that was likely a unicellular, photosynthetic organism similar to modern-day green algae. This ancestor existed over a billion years ago, during the early evolution of eukaryotes. Through a process called endosymbiosis, some of these organisms developed the ability to perform photosynthesis, leading to the evolution of plants, while others evolved into various animal forms. Thus, the divergence between plants and animals began from this ancient common ancestor.
How would you know if organisms shared a common ancestor?
Scientists can determine if organisms share a common ancestor by analyzing their genetic and morphological similarities. The more similarities that exist, the more likely it is that they share a common ancestor. Additionally, the study of evolutionary relationships through techniques like phylogenetic analysis helps to trace back common ancestry among organisms.
How does comparing physiological similarities of living species provide evidence of?
Physiological similarities suggest the species evolved from the same ancestor.
If two organisms have similar traits and DNA what do they probably share?
If two organisms have similar traits and DNA, they likely share a recent common ancestor. This genetic similarity suggests they may have evolved from the same lineage, adapting to their environments over time while retaining certain hereditary characteristics. Additionally, they may occupy similar ecological niches or have similar evolutionary pressures influencing their development.
What do you call your cousin's wife's niece?
Normally you would call them by their name. There is not likely to be any relationship between you as you don't share a common ancestor.
What was the common ancestor of all animals was probably?
The last common ancestor of all animals was likely an organism not unlike modern-day protists.A single celled animal, not a plant found in the deepest oceans.
What is a common ancestor to the flatworm?
Flatworms, belonging to the phylum Platyhelminthes, are believed to have a common ancestor that was a simple, bilaterally symmetrical organism resembling acoelomates. This ancestor likely lived in aquatic environments and had a basic body plan with a centralized nervous system. Molecular studies suggest that flatworms share a lineage with other protostomes, linking them to a broader evolutionary history that includes various invertebrate groups.
