Chapter 10 Flashcards
In your class which predator survived in the greatest numbers?
spoon
Which prey species had the best survival?
peas
Did any prey species go extinct?
pinto beans
What physical factors about the prey helped them survive on the grass?
color and size
What is the difference between linear and exponential growth?
The graph of a linear growth will be, obviously, a line. Exponential growth will show a curve, tending upwards. Exponential growth generally starts off more slowly than linear growth, but quickly outpaces it.
What are the 3 factors that determine the size of a population?
births,deaths, immanent/emigrants
About what is the world’s population (to within 10 million or so…)?
7,000,000,000
What country has the highest fertility? Which large population country has low fertility?
Niger.
What countries have the 4 largest populations?
China, india, us, indonesia
When a predator’s population increases, what happens to the population of the prey?
the prey decreases
When the prey’s population increases, what happens to the population of the predator?
The population increases