Question

The chart below represents a food web. Use it to answer the questions that follow.

1. Construct two food chains ending with tertiary consumer in each case. 
2. Which organism has the largest variety of predators in the food web? 
3. Name secondary consumers in the food web. 
4. Suggest three ways in which the ecosystem would be affected if there was a prolonged drought. 

Answer 1

1.  
   1. Green plants →grasshoppers→Lizards→Snakes
   2. Green plants → grasshoppers → Lizards → Cats
   3. Green plants → Mice → Snake → Hawk
   4. Green plants →Mice → Snakes → Cats
2. Mice
3.  
   1. Lizard
   2. Cat
   3. Hawk
   4. Snakes
4.  
   1. Most plants will die/dry
   2. Some organisms may starve to death
   3. Some organisms may migrate.