They are both types of seismic waves produced by the sharp movement of rock within the earth.
Answer:
We need the directions. Once provided I will then edit this.
Explanation:
The research about Linnaeus helped us discover the similarities between different species.The fossils help us understand like taxonomy
Answer:
Biologists measure the number of trophic levels in an ecosystem so as to check its stability and health.
Explanation:
Trophic levels are the feeding position in a food chain such as primary producers, consumers, etc. They are positions that an organisms occupies in a food chain (series of steps in which organisms transfer energy by eating or being eaten);- what it eats and what eats it.
Theoretically there is no any limit to the number of trophic levels in a food chain or number of organisms that live on each level.
