The features that <span>distinguish animals from organisms in other multicellular kingdoms are that a</span>nimals are ingestive heterotrophs.
Answer:
1) About 8.7 million.
2) They are being found everywhere.
A redshift is when light or other electromagnetic radiation from an object moves away from the observer.
Answer:
Water, fresher climate, not only scientific factors but also a psychological factor (nice beaches, palms, other wildlife, etc.)