Question

1) State the role of the ampullary-isthmic junction in the female reproductive tract.

2) How is polyspermy checked by the zona pellucida of the ovum?

No copied answer from Goógle
if copy -> Report -> Delete​

Answer 1

Answer:

wanna be friends!?...

Step-by-step explanation:

Introduction In ecology and biology, abiotic components are non-living chemical and physical factors in the environment which affect ecosystems. Biotic describes a living component of an ecosystem; for example organisms, such as plants and animals. Examples Water, light, wind, soil, humidity, minerals, gases