2
4.1.2 quiz: characteristics of populations
question 4 of 10
2 points
the graph below is an age-structure diagram for a population of african
elephants.
age-structure diagram of african elephants
moles
females
koy
age class
ooom
class age (years)
0-99
10-199
20-24.9
25-349
35-49.9
> 50
10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10
number of individuals
according to the diagram, what happens to the female population between
the ages of 9 and 19?
o
a. it triples in size, from 3 to 9 individuals.
o
b. it remains the same size.

Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative