Chapter 19

Question 1

Define carrying capacity

Answer 1

maximum population size that an environment can support

Question 2

Define invasive species.

Answer 2

Non native, it “gains a foothold” on adapted community

Question 3

How can invasive species have a negative impact on their adopted community? Give examples.

Answer 3

They prey on native species or outcompete them for the same resources
Ex: sea urchins -> “sea urchin barren” killing more kelp than needed