ingramjazmine9 ingramjazmine9

13-04-2022
Biology

contestada

1. Single-celled organisms

a. were the first life forms on the planet.

b. became extinct soon after more complex organisms evolved.

c. can't exist on Earth unless they are parts of large groups.

d. All of the above

(WILL MARK BRAINLEST)

1 Singlecelled organisms a were the first life forms on the planet b became extinct soon after more complex organisms evolved c cant exist on Earth unless they class=

Respuesta :

heloemaan heloemaan

13-04-2022

Answer:

A is the correct answer

Explanation:

the existed about 3.8to 4.0 billion years ago

Answer Link

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