AP BIOLOGY

ECOLOGY

HUMANS AND THE BIOSPHERE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If a species is extinct:
A
The are endangered
B
They are extinct
C
They are threatened
D
They have a bad odor.
Explanation: 

Detailed explanation-1: -A species is extinct in the wild when it only survives in cultivation (plants), in captivity (animals), or as a population well outside its established range. A species may be listed as extinct in the wild only after years of surveys have failed to record an individual in its native or expected habitat.

Detailed explanation-2: -Extinction is the death of all members of a species of plants, animals, or other organisms. One of the most dramatic examples of a modern extinction is the passenger pigeon.

Detailed explanation-3: -Today, we can distinguish between two types of extinction, depending on the way the species disappears: Phyletic extinction or pseudoextinction.

Detailed explanation-4: -Extinct animals: The animals that no longer exist on Earth are called extinct animals. Example: Dinosaurs, Dodo, etc.

Detailed explanation-5: -Extinct species are those species that are no longer in existence.

There is 1 question to complete.