Read the following Assertion and Reason and choose the correct option. Assertion: The introduction of invasive weed species like carrot grass (Parthenium), Lantana, and water hyacinth (Eicchornia) poses a threat to native species by causing environmental damage. Reason: Co-extinctions can lead to the decline or extinction of invasive weed species.

Step-by-step solution

The Assertion is true as it correctly states that the introduction of invasive weed species like carrot grass, Lantana, and water hyacinth poses a threat to native species by causing environmental damage. However, the Reason is false because it claims that co-extinctions can lead to the decline or extinction of invasive weed species.