Which location is most vulnerable to primary succession? O A. A newly paved parking lot
O B. An overgrazed prairie
O C. A well-maintained ranch
O D. A newly formed island
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A. A newly paved parking lot

Explanation:

the endocrine system secretes hormones into blood and other body fluids. these chemicals are important for metabolism, growth, water and mineral balance, and the response to stress. hormones provide feedback to the brain to affect neural processing. reproductive hormones affect the development of the nervous system.

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.