1.Besides food, birth rate, and natural catastrophes what other limiting factors affect the size of a population?
A. predators
B. disease
C. captivity
D. all of the above

2.What does a symbiotic relationship between an algae and fungi describe?
A. A lichen
B. A moss
C. A parasitic relationship
D. A predator-prey relationship

Question

1.Besides food, birth rate, and natural catastrophes what other limiting factors affect the size of a population?
	A.	predators
	B.	disease
	C.	captivity
	D.	all of the above

2.What does a symbiotic relationship between an algae and fungi describe?
	A.	A lichen
	B.	A moss
	C.	A parasitic relationship
	D.	A predator-prey relationship

andrefontex · Answer

1. i have to know at least A and B limits the size of a population, so..... 2- http://en.wikipedia.org/wiki/Lichen