C. renewable resources replenish within our lifetime
Answer:
The main difference between exotic and invasive species is that exotic species is harmless to the ecosystem whereas invasive species is harmful to the ecosystem.
Explanation:
Invasive species can be harmful the native habitats, natural areas such as lakes, forests, and rivers, agriculture, economy, and humans.
Some plants have genetic modifications to tackle dry conditions and some plants in desert kind of atmosphere have specially adopted structures for effecting osmosis and diffusion.
Explanation:
- Osmosis help plants to absorb water from soil. Diffusion is the process by which carbon dioxide diffuses to the leaves and then to the cells.
- The genetic modifications in some of the plants can help in survive and adopt the osmosis in a very dry environment. They also develop defense methods to handle the water loss.
- Some plants in a permanent dry environment like desert have special structures like reduced leaves, hairs, sunken stomata, and so on to conserve water.
Answer:
An estuary can be described as an area of brackish water where different rivers or streams meet the open sea. Hence, an estuary forms a transition zone between an river environment and a marine environment.
Estuaries hold a lot of importance and are referred to as the nurseries of the sea. The estuary are home to many unique kinds of organisms. Certain kinds of fishes and shellfishes which humans consume cone from this area of the sea. There are high levels of nutrients moving in the estuary zone of the sea. Due to its shallow water, Pamlico estuary provides opportunities for fishing, crabbing and water- sports activities.
