Discuss how the environmental pressures are different in the local environment compared with its native environment.

Due to human activities.

Explanation:

The environmental pressures are different in the local environment compared with its native environment due to difference in human activities because human activities put pressure on the environment that leads to change. In the local environment more human activities held which put more pressure on the environment as compared to the native environment having little interference of humans so that's why environmental pressures are different in the local environment compared with its native environment.

they are known to reach a speed of 21 miles per hour

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.