Answer:
Now a days, due to technological evolution we have modern and advanced devices than we have a 100 years ago. These devices and equipment like a DNA analyzer used in forensics have made it easier to analyze the victims DNA in no time. Not only these devices are fast and efficient but are also very accurate and help us get better and better results as the days of technological evolution are passing by....
I have also given you the skeletal muscle difference ......
For extra knowledge ......
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Answer:
A. Chelicerates are a group of arthropods
E. Sea urchins are a group of echinoderms
B. Gastropods are a group of mollusks
Explanation:
Chelicerates are primitive arthropods having 6 pairs of appendages. 1 oral appendage used for feeding and lack actual mouth parts for chewing up "suck up predigested food". Cephalothorax is the largest and Abdomen contains gills.
Sea urchins are a group of echinoderms as they have spin skin , all marine and found in the bottom of the sea.
Gastropods are the largest and most varied group of molluscs. Gastropod means stomach footed, a typical gastropod is a coiled mass of organs enclosed in a dorsal shell, which rests on the foot having a head ans sensory structures on head and having an operculum.