The correct asnwer to your question - why would a group of antelopes leave the herd for search of a better grassland is an example of emigration - B.
These antelopes would emigrate to a certain grassland and be immigrants in that grassland. This has to be distinguished.
Genetics combines Dna, technology, and agriculture
Phagocytosis is the only effective way invertebrates fight disease
Answer:
Breast Milk
Explanation:
More than half of an infant's caloric intake comes from Breast Milk