Answer:
Ice Age mammals first appeared 18,000 years ago... during the Ice Age lol
Hope this helps
Explanation:
endothermic is the right answer
There is nothing below
M-Vacuole
E-Mitochondria
C-Nucleolus
B-Chromatin
D-Nuclear Envelope
K-Lysosome
J-Cell Membrane
I-Golgi Bodies
N-Nucleus
A-Endoplasmic Reticulum
L-Cytoplasm
F-Ribosomes
( A. joints between long bones )
