Long thin tubular bundle of nervous tissue and support cells
-multi-cellular
-eukaryotic
-cells don't have cell walls or chlorophyll
-growth stops in adult stage
- most can move (except for sponges)
Answer:
Explanation:
It occurs anywhere between 10-16 years old. Hormones cause it.
Mercury, Venus, Earth, and Mars are all known as terrestrial planets I believe.
