Which of the following organisms is a third-order consumer in the food web shown above? A. duck B. grasshopper C. grass D. snake

SNAKE

Explanation:

You haven't shown a food web, but I would assume that the snake would be the tertiary consumer because the grass is a producer, the duck would most likely be a secondary consumer and eat the grasshopper, which is a primary consumer.

the binding of the substrate is dictated by the shape of each molecule. side chains on the enzyme interact with the substrate in a specific way, resulting in the making and breaking of bonds.

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