In Which Stage Do the Three Germ Layers Form

question 30

Multiple Choice

In which stage do the three germ layers form?

• A) gastrula
• B) blastocyst
• C) neurula
• D) morula
• E) 8-cell stage

---

Definitions:

Sustainable Agriculture

Farming practices that maintain and improve the environment, economic profitability, and social equity for future generations.

Renewable Energy

Energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.

Hydropower

The generation of electricity by harnessing the energy of flowing or falling water, considered a renewable and sustainable source of power.

Solar Power

The conversion of energy from sunlight into electricity, either directly using photovoltaics (PV), indirectly using concentrated solar power, or a combination.