What would happen if grasses and shrubs were removed from an ecosystem?
a. the primary consumers would increase
b. the primary consumers would become secondary consumers
c. the primary consumers would die out or move elsewhere
d. the primary consumers would stay unchanged

C. the primary consumers would die out or move elsewhere

Explanation:

A food chain is a linear sequence of transfer of food and energy when one organism is consumed by other organism in an ecosystem. The grasses and shrubs are included in the food chain as producers, the large diversity of herbivores or primary consumers are dependent on them.

According to the given situation, if the grasses and shrubs are removed from an ecosystem than this will lead to the mortality of the population of primary consumers or the populations may migrate to other locations in search of food.

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.