Grade 9 Science Exam Review - Solutions 2014 | Page 13

18. An example of an invasive species is Zebra Mussels. It is an invasive species because it is a successful introduced species 19. An ecological footprint is a measure of a persons impact on the environment. 20. Label the graph below: Number of Bacteria C B Time (minutes) B Exponential Growth C Steady State What limiting factors affect the bacteria population? Food supply, space etc. 21. Why has urban sprawl reduced the biodiversity of that area? Loss of habitat What is the solution to urban sp Ʌݰ