Invertebrate doesn't posses "Backbone" whereas Vertebrate chordate have that. That's the only & most important difference between them.
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The homology of animals is based on scientists current understanding on the evolutionary history of living species.
Answer:
Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period.
Answer:
The disadvantages of the given instance are mentioned below.
Explanation:
This analysis seems to be a tool device used to evaluate the proportion of the population.
<u>Disadvantages:</u>
- The effectiveness is dependent on a significant portion of the number of people is being recorded.
- Animal marks may have a drastic impact on either the animals.
- This approach does indeed have a certain drawback because that's not a very suitable technique.
Elbow dysplasia is an inherited developmental abnormality that affects the elbow joint of dogs. It is accepted that the offspring of <span>a </span>dog<span> with the condition are likely </span><span>to develop the condition themselves. Therefore, the likely answer is: '</span>It has low diversity in its genes'. Even though the dog is a mixed breed, it is possible that one or both parents carried the gene for a predisposition to elbow dysplasia.