AP BIOLOGY

EVOLUTION

THE ORIGIN OF LIFE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following concepts suggests life on Earth came from meteorites(outer space)?
A
Bubble hypothesis
B
Panspermia
C
Spontaneous generation
D
Endosymbiotic theory
Explanation: 

Detailed explanation-1: -The panspermia theory argues that life is originated in space, in spatial ices, and continuously distributed to the planets by comets and meteorites.

Detailed explanation-2: -Panspermia proposes that organisms such as bacteria, complete with their DNA, could be transported by means such as comets through space to planets including Earth.

Detailed explanation-3: -The cosmozoic theory is also known as the panspermia theory. According to this view, life arrived on Earth in the form of highly resistant spores of some creatures from other celestial bodies such as meteorites.

Detailed explanation-4: -The panspermia hypothesis suggests life began on Earth when the “seeds” of life, already present in the universe, arrived here from space.

Detailed explanation-5: -Abstract. Abstract Panspermia is the theory that life on Earth originated came from space, for example from comets, or other planets. The Theory focuses on microorganisms because large organisms could not achieve the required space travel and impact events.

There is 1 question to complete.