Problemas
Pick out the bacteria that are useful to humans. Choose all answers that apply. A Soil bacteria B Colon bacteria C Infectious bacteria C D Cyanobacteria
Roztwór
Alma
maestro · Tutor durante 5 años
4.7
(212 Votos)
Respuesta
The correct answers are options A, B, and D.
Explicación
## Step 1The problem asks us to identify the types of bacteria that are beneficial to humans. The options provided are soil bacteria, colon bacteria, infectious bacteria, and cyanobacteria.## Step 2Soil bacteria (option A) are beneficial to humans as they play a crucial role in nutrient cycling and maintaining soil health. They help in the decomposition of organic matter, which in turn enriches the soil with nutrients.## Step 3Colon bacteria (option B) are also beneficial to humans. They are part of the normal flora of the human gut and play a vital role in digestion and nutrient absorption.## Step 4Infectious bacteria (option C) are not beneficial to humans. They cause diseases and are therefore harmful.## Step 5Cyanobacteria (option D) are beneficial to humans as they are a source of oxygen and are used in the production of certain foods and medicines.