luigrcia luigrcia

03-10-2021
Biology

contestada

Why do scientists assume the first photosynthetic organisms were anoxygenic?

Respuesta :

dlevant10 dlevant10

03-10-2021

Answer:

scientists are always finding new things

Answer Link

rthomas111 rthomas111

03-10-2021

Because photosynthesis produces oxygen, scientists assume the first photosynthetic organisms were not consuming oxygen, but producing it.

Answer Link

Otras preguntas

human height occurs in a continuous range because it is affected by the interaction of several genes, making it a ? A. Sex-linked trait B. Polygenic trait C. Au

Which word means gloomy or depressed? melancholy whimsical sympathetic contemptuous Which word means highest state of happiness, joy? melancholy cynic

plz help on 16.A and 16.B

What is 9-3y=x I don't know this one

Abnormally low levels of erythrocytes caused by excessive bleeding is called______.

why did colonial woman gather to spin thread and weave cloth

What evidence would you use to show that the daily movement of Earth’s tides follows a pattern?

Write a positive or negative integer that represents the situation. 1. The price of a stock goes up $2. 2. You descend 15 feet. PLEASE HELP ASAP!!!!!!!!!!!

Use the circle graph shown below to answer the question.

PLEASE PLEASE PLEASE HELP!!! GEOMETRY. I'm begging you. Solve for x and y. Picture attached