| LIST I (Organisms) | LIST II (Interaction) |
|---|---|
| A. Fig tree and wasp | I. Mutualism |
| B. Orchid and mango | II. Commensalism |
| C. Cuscuta and hedge | III. Parasitism |
| D. Cow and grass | IV. Predation |
Identify the part of the sentence that contains a grammatical error:
Each of the boys have submitted their assignment on time.
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world