Kk I’ll help please clarify.
Since it is the hearts job to pump blood throughout the body of the organism, the circulatory system would fail and the entire organism would suffer if the heart cells stopped working properly.
Answer:
1. specialized cells
2. extracellular protein fibers
3. a fluid known as ground substance
Explanation:
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
