Global Environments Introducing Physical Environments.
Animal Cell. Plant Cell Cell Membrane – outer boundary –In plants & animals –Structure: Phospholipid bilayer –hydrophilic heads, hydrophobic tails Contains.
HUMAN-ENVIRONMENT INTERACTION: PATTERNS & PROCESSES of CHANGE.
Enormous variety in the size and shape of different cells Smallest cells belong to group of organisms Mycoplasma Only about 0.2 µm in diameter.