Answer:
Male gametes / microspores are produced in pollen cones and develop into pollen grains. Some gymnosperm species have male and female cones on the same tree, while others have separate male or female cone producing trees. ... Fertilization in gymnosperms occurs when pollen grains contact the female ovule and germinate. I hope dis helps :3
Answer:
yes the wall is pushing back.
Explanation:
This means that when you push on a wall, the wall pushes back on you with a force equal in strength to the force you exerted.
Global winds rising near equator and cold air sinking near the poles
Answer:
A
Explanation:
Enzyme activity is highest at 6.6. This means that 6.6 is the optimal pH for this enzyme. If the pH is too low or high the enzyme will denature and the enzyme activity will lower.
