MCQOPTIONS
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| 1. |
Polar bears |
| A. | penguins have chemical substance in their muscles which is toxic to polar bears |
| B. | penguins are gregarious and always move in groups. Therefore, a polar bear cannot approach them |
| C. | polar bears and penguins never coexist under natural conditions. The former lives in the North Pole white the latter lives in the South pole |
| D. | polar bears and penguins display symbiotic relationships and they help each other for their existence in the ice-cold ecosystem |
| Answer» D. polar bears and penguins display symbiotic relationships and they help each other for their existence in the ice-cold ecosystem | |