Answer:
astronauts are brought back to by a Soyuz capsule. The Soyuz capsule has a curved ablative heat shield that is used to prevent heat from building up and penetrating the crew cabin.
If you remove a secondary consumer then, primary consumers have the chance to overpopulated and Tertiary consumers underpopulate or die off because there's no secondary consumers to eat
Animals and plants are two differ things plants have nution and humans consume
