OBJECTIVE FORESTRY

FORESTRY

ECOLOGY AND ENVIRONMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Members of a bird-watching club observed the activities of three species of birds for an entire spring and summer. They noticed that the different species fed at different heights in the same pine tree. Which ecological concept is supported by this observation?
A
Organisms that feed on different foods in the same area of an ecosystem fill the same niche.
B
Organisms that live in the same ecosystem can occupy different niches in the ecosystem
C
Different species feeding in the same ecosystem will eventually compete with each other, eliminating all the species except one
D
Different species living in the same area of an ecosystem usually have the same physical characteristics.
Explanation: 

Detailed explanation-1: -what statement concerning the first appearance of the organisms over the time period represented in this chart is most likely correct? Life on earth has changed from primitive organisms to more complex organisms.

Detailed explanation-2: -Which general model of population growth most closely resembles that seen in figure 19-13 in the textbook? The logistic model most closely resembles the demographic transition model depicted in figure 19-13. Population increases rapidly and then levels off.

There is 1 question to complete.