Question

1. stability is the result of high ______________ in an ecosystem.(1pt)
2. explain how a plant is considered an open system? (2 pts)

Explanation:

For question 18, high species richness often leads to ecosystem stability as more species can provide functional redundancy and resilience. For question 19, a plant is an open - system because it exchanges matter (such as water, carbon dioxide, and oxygen) and energy (light energy for photosynthesis) with its surroundings.

Answer:

1. species richness
2. A plant exchanges matter (water, gases) and energy (light) with its surroundings, making it an open - system.