Answer:
homologous structures
Explanation:
something like bat wings and human hands
they evolved from a common ancestor, but are now different and used differently
Sick could mean disgusting, horrible, brutal, awesome, amazing, etc. However it's commonly used in everyday talk to say "that's cool"There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic diseases and non-genetic hereditary diseases), and physiological diseases. Diseases can also be classified in other ways, such as communicable versus non-communicable diseases.
Answer:
D all of the above, I think.
Explanation:
Fossils reveal what may have been living in the surrounding environment hundreds of years ago.
Option C : oxygen and Option B: nutrients