Answer:
cells
Explanation:
All organisms are composed of one or more cells
A: Skin. heart is a organ but it's sorta small. Same with liver. Skeleton is not a organ
Answer:
The root system is always adventitious. The stem is either underground or aerial. The leaves may be microphylls or megaphylls. Their other common characteristics include vascular plant apomorphies (e.g., vascular tissue) and land plant plesiomorphies (e.g., spore dispersal and the absence of seeds).
Explanation:
Vertraes have a back bone. invertebrates dont have a back bone or any bones