<span>A. endoskeleton
</span>Endoskeleton is not a characteristic of Arthropods that has attributed to their diversity and success. Endoskeleton is defined as inner characteristics of the skeletal feature of an organisms such as bears, humans, fish and etc.
Exoskeleton on the other hand is the trait by which arthropods posses. It is skeletal feature that is described outside or is extrinsic, this is evident as crabs have their skeletons outside of their body.
Hey there!
Number 3, "has more people than ever before" is correct. As there are more people, there is a greater need more resources.
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Answer:
The same number of each type of atom will always be present before and after a chemical reaction takes place.
Explanation:
First one is digestive system
second one is lion fish
i dont know the third one. im sorry
