Answer:
How our body responds to light and how our body responds to danger.
Explanation:
External stimuli are changes that happen outside the body that our body's scenes can detect.
Explanation:
This pollutant is ozone, carbon dioxide, sulphur dioxide, carbon monoxide.
answer
Fossil evidence clearly shows that life is old and has changed over time. The study of anatomical features of animals of different species. The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth
B. Golgi Apparatus.
All eukaryotes have a Golgi apparatus though not all have the other organelles named above. They all have it because of it's indispensable function, transportation of lipids and the preparation for secretion an secretion of proteins.
The other part mentioned have important functions but that varies from cell to cell according to their functions.
Hope it helped,
BioTeacher101