Explanation:
The molecule is the smallest unit of the substance that retains its characteristic properties. The macromolecule is such a unit but is considerably larger than the ordinary molecule, which usually has a diameter of less than 10 angstroms (10−6 mm).
Answer:
Responding to stimuli / the environment
Explanation:
These three species are distantly related and share a common ancestor
1. T
3. Molecules
I hope this helps, sorry didn't know 2
Heart,eyes,blood vessels and skeleton people.
