When observing the Earth's biosphere organization, which is the smallest ecological level? A population
A community
An organism
An ecosystem

it is an orgismi

Explanation:

that is my answer

organism

Explanation:

An organism makes up an animal, and when there are many of the same animal, it makes up a population. Many populations of different kinds of animals make up a community. Many communities make up an ecosystem.

Hope this helped :D

(mark brainliest pls)

the major parts of the digestive system:

salivary glands.

pharynx.

esophagus.

stomach.

small intestine.

large intestine.

rectum.

accessory digestive organs: liver, gallbladder, pancreas.

a chair, a bed, and a toothbrush

explanation:

i was told this before by a teacher, so yeah