Answer:go on google to search it up
Explanation:
<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.
A. All distant galaxies are moving away from us.
Living things get energy/food from the sun through a process called Photosynthesis
it's the process by which living organisms manufacture food in the present of sunlight, oxygen and some other vital nutrients.that is Carbon dioxide etc