Suppose a Genie Offers You a Trip in a Time

question 53

Multiple Choice

Suppose a genie offers you a trip in a time machine, and you and a paleontologist go back 800 million years in Earth's history. Assuming you have all the appropriate tools to detect life, what should you expect to see?

• A) Earth completely devoid of life
• B) Unicellular organisms, but no multicellular organisms
• C) Multicellular organisms, but no complex animals with bilateral symmetry
• D) Complex animals with bilateral symmetry, but no mammals

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Definitions:

Tissue Folds

Refers to the complex structures formed by layers of biological tissues that can increase surface area or serve various functions in organs.

Garter Snake

A common name for a genus of snakes known as Thamnophis, marked by their distinct longitudinal stripes.

Australian Inland Taipan

A highly venomous snake native to central East Australia, considered one of the most venomous snakes in the world based on its LD50 rating in mice.

Eyelash Viper

A venomous snake known for its distinctive scales above the eyes, resembling eyelashes, found mainly in Central and South America.