AP BIOLOGY

EVOLUTION

DARWIN’S THEORY OF NATURAL SELECTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Animals having to compete with their own kind for food and territory and mates are examples of
A
Struggle for existence
B
Evolution
C
Fitness
D
Artificial Selection
Explanation: 

Detailed explanation-1: -These included “dependence of one being on another, ” animals that “struggle with each other” over limited food resources, plants that “struggle for life against the drought” and that “struggle with other fruit-bearing plants, in order to tempt birds to devour and thus disseminate its seeds.”

Detailed explanation-2: -This is called intraspecific competition. This is the type of competition that is the driving force behind natural selection within a species. One reason for intraspecific competition is a scarcity of resources or mates.

Detailed explanation-3: -Competition among members of the same species is known as intraspecific competition, while competition between individuals of different species is known as interspecific competition.

Detailed explanation-4: -These include abiotic factors such as light, temperature and water, and oxygen for aquatic animals. There are also biotic factors such as food and predators.

There is 1 question to complete.