LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

DIVERSITY AMONG LIFE FORMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How quickly does biologic change occur?
A
Suddenly, within one generation
B
Gradually, over many generations
C
Over night with one species
D
Sometimes sudden, sometimes gradual
Explanation: 

Detailed explanation-1: -Summary: Evolution is usually thought to be a slow process, something that happens over generations, thanks to adaptive mutations. But environmental change is happening very fast.

Detailed explanation-2: -Evolution has no single schedule. Sometimes, new species or varieties arise in a matter of years or even days. Other times, species remain stable for long periods, showing little or no evolutionary change.

Detailed explanation-3: -Evolution is the process by which populations of organisms change over generations. Genetic variations underlie these changes.

There is 1 question to complete.