Derived from the inner cells of a human blastocysts , a very early human embryo.
At the blastocyst stage, five to 10 days after fertilization,
the embryo is a cluster of 100-200 cells
Answer:
Biodiversity boosts ecosystem productivity where each species, no matter how small, all have an important role to play.
Explanation:
The answer is, "B", "Developing country".
The scientific method has five basic steps, plus one feedback step: Make an observation. Ask a question. Form a hypothesis, or testable explanation.