Answer: Scientists who study evolution may want to know whether two present-day species are closely related. Evidence for evolution can be structural, genetic, or bio geographical. Fossil skeletons of horse relatives dating from various time periods. ... of fossils and living species may tell us how modern organisms evolved. so D
Explanation:
Evolved from prokaryotic cells
Answer:
Long life span
Explanation:
A model organism is a non human specie that is used for study in order to understand a particular biological phenomena.
One of the qualities of a model organism is that; It should have a short life span this will make it more amenable to experimental manipulation due to short generational time. Therefor Long life span will not be a desirable characteristic.
Other desirable characteristic includes ease of growth and production of many offsprings.
Also common genetic mechanism with other organisms, they should share some degree relatedness.
Answer- H
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C = O
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H
Explanation: Correct on Edg 2020/2021.