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Life Spans of Various Organisms Quiz

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Questions and Answers

What does the period from birth to the natural death of an organism represent?

Maturation stage
Growth period
Life span (correct)
Reproductive phase

Why is it mentioned that death of every individual organism is a certainty?

To emphasize the significance of natural death
To draw attention to the mortality of all individuals (correct)
To discourage assumptions about immortality
To highlight the unpredictability of life spans

What ensures the continuity of vast numbers of plant and animal species on earth for several thousands of years?

Reproduction (correct)
Longevity genes
Natural selection
Immortality

Why is it mentioned that the life spans of organisms are not necessarily correlated with their sizes?

To discourage assumptions based on size alone (A) Signup and view all the answers

Why are single-celled organisms considered to be immortal according to the text?

Because they do not age or experience natural death (B) Signup and view all the answers

What is the significance of the fact that life spans may range from a few days to a few thousand years?

It highlights the diverse nature of organisms' life spans (B) Signup and view all the answers

How long does a crocodile typically live?

60-75 years (B) Signup and view all the answers

What is the lifespan of a fruit fly?

1-2 weeks (C) Signup and view all the answers

How long can a tortoise live?

100-150 years (C) Signup and view all the answers

What is the lifespan of a cow?

25 years (A) Signup and view all the answers