Answer:
Arthropods have a tough, non-living outer shell called exoskeleton, which protect their soft bodies while echinoderms have living endoskeletons, which develops within the deeper skin or body tissues and act as their protective covering.Explanation:
Answer:
Biology is the study of life, while physics are the study of matter and energy used to determine how the universe behaves.
Answer(s):
Box One= A Gene
Box Two= A Chromosome
Box Three= Heredity
I hope this helps! If it is wrong, I am very sorry! ;-;
This was Ernest Rutherford’s gold foil experiment. He used radioactive alpha particles as a part of the experiment and discovered that there was a densely packed, positively charged nucleus in atoms with electrons that were spread out in spaces between nuclei.
