Answer:
the endoplasmic reticulum
Explanation:
it is the endoplasmic reticulum and the ribosomes of the specialized cells in the pancreas that make insulin
A transitional aquatic ecosystem is one type among the aquatic systems.
There are two types in it.
Explanation:
- Estuary is formed when freshwater from the river combines with salt water from the ocean.
- The estuary is a home for a variety of species.
- Algae and marsh grasses are dominant producers.
- Wetlands are saturated with water and support aquatic plants for their survival.
- It serves as a living place for a variety of species ranging from reptiles, birds to some mammals
