Mercury has high surface tension
Carbon dioxide (CO²) is taken in to start the Calvin Cycle.
The term pioneer is used to describe the species that first colonize new habituate created by disturbance
The first triploblastic phylum is Platehelmenthis
Answer:
there are four trophic levels first are producers then primary consumers then secondary consumers then teritary consumers
Explanation:
grass - grasshopper - frog - snake - eagle is a simple food chain
