DENDROLOGY

FOREST ECOLOGY

FOREST SUCCESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Elephant are considered an important species in east Africa. During droughts, they dig deep holes in dry riverbeds, and the holes fill up with water. These holes are then used by all other animals in the area. Which of the following most accurately describes how the loss of elephants would affect this ecosystem?
A
Biodiversity would increase, as more species evolved.
B
Biodiversity would remain the same, but population sizes would increase.
C
Biodiversity would decrease, since few species could tolerate living with less available water.
D
Biodiversity would not change, although there would be increased predation by lions.
Explanation: 

Detailed explanation-1: -During droughts, they dig deep holes in dry riverbeds, and the holes fill up with water. These holes are then used by all other animals in the area. Which of the following most accurately describes how the loss of elephants would affect this ecosystem? Biodiversity would increase, as more species evolved.

Detailed explanation-2: -Ecosystems that have high levels of biodiversity have a large number of species, complex food webs, a variety of ecological niches, increased genetic diversity, and abundant resources.

Detailed explanation-3: -Biodiversity refers to the variety of living organisms within a given area.

There is 1 question to complete.