OBJECTIVE FORESTRY

FORESTRY

PLANT AND WOOD ANATOMY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
“Natural selection occurs over time within an ecosystem.” Which best explains this statement?
A
Organisms must produce food in order to continue their species.
B
Organisms must eat other organisms in order to reduce the population.
C
Plants and animals never compete with each other for available resources.
D
Environmental changes choose which organisms live to produce the next generation.
Explanation: 

Detailed explanation-1: -Changing rainfall and drought patterns likely play a key role in shaping natural selection among plants and animals in the wild, according to a study published today involving UC Berkeley scientists.

Detailed explanation-2: -Natural selection explains how genetic traits of a species may change over time. This may lead to speciation, the formation of a distinct new species.

There is 1 question to complete.