Youngest to oldest would be: 3, 4, 1, 5, 2. Since it's from the bottom, the ones furthest from the bottom would be the youngest at the top. The oldest fossils would be closest to the bottom.
        
             
        
        
        
Answer:
Epidermal cells secrete the waxy hydrophobic substance cutin that polymerizes on the surface, forming a barrier to water evaporation. Epidermal cells are transparent because their plastids remain small and undifferentiated; hence light readily penetrates through to the photosynthetic tissues beneath the epidermis.
Explanation:
 
        
             
        
        
        
Answer:
A Carbon Dioxide ( CO2) 
Explanation:
During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. ... Then, via respiration processes, cells use oxygen and glucose to synthesize energy-rich carrier molecules, such as ATP, and carbon dioxide is produced as a waste product.
 
        
             
        
        
        
Answer:
Decrease in available living space 
Explanation:
If there is no living space left there will be a decrease in the amount of organisms that can live there 
 
        
             
        
        
        
Answer: <em><u>1838</u></em>
Explanation: In 1838 Schwann became familiar with Matthias Schleiden's microscopic research on plants.