Answer:
Part 1:
The four astronomical bodies one could choose to represent the 4 labels in the diagram are
A - universe
B - galaxy
C - solar system
D - Mars
The universe contains galaxies and galaxies holds solar systems which have planets like Mars
Part 2: D or a planet like Mars is unlike all their other astronomical bodies it does not have other astronomical bodies within it thus, its different from rest.
A. Releasing a stimulus when hormones increase or decrease I think
Answer:
This is just the order of taxonomic groupings.
Domain (Broadest)
Kingdom
Phylum
Class
Order
Family
Genus
Species (Most specific)
Primary succession occurs in areas without life, while secondary succession occurs in places that were previously inhabitated.
Hope this helps!
:D®