EVERYDAY SCIENCE

SCIENCE

ECOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ grow slowly over time, cares for its young over a long period of time and is usually near the carrying capacity of its ecosystem.
A
K-strategists
B
R-strategists
C
Uniform strategists
D
environmentalists
Explanation: 

Detailed explanation-1: -K-selected species, also called K-strategist, species whose populations fluctuate at or near the carrying capacity (K) of the environment in which they reside. Such species make up one of the two generalized life-history strategies posited by American ecologist Robert MacArthur and American biologist Edward O.

Detailed explanation-2: -In the equations describing growth of populations of organisms, r represents the slope of the line representing exponential growth. The letter K represents the carrying capacity of a habitat for members of a given sort of organism.

Detailed explanation-3: -Bacteria, insects and corals are few examples of r strategists while human, primates, and elephants are few examples of K strategists.

Detailed explanation-4: -Common examples of k-strategists species include humans, lions and whales.

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