Encierra en un círculo la alternativa correcta.

12) La unidad biológica de todos los seres vivos es:
a. El átomo
b. La célula
c. La molécula
d. El ecosistema

13) Nivel formado por el conjunto de poblaciones de seres vivos que habitan una zona, en un momento determinado:
a. Población
b. Comunidad
c. Biosfera
d. Bioma

14) Conjunto de tejidos que realizan una función específica:
a. Sistema
b. Órgano
c. Célula
d. Individuo

15) Ejemplo de organismos unicelulares:
a. Paramecio
b. Planta
c. Bacteria
d. Alga

16) Nivel al que pertenece el Homo sapiens:
a. Población
b. Comunidad
c. Especie
d. Sistema



Answer :

Final answer:

Organisms are organized into cells, tissues, organs, and organ systems. Population, community, and ecosystem depict varying levels of biological organization. The biosphere encompasses all ecosystems on Earth.


Explanation:

Levels of Biological Organization:

Cells: They are the basic unit of life. Tissues: Groups of similar cells. Organs: Collections of tissues performing a common function. Organ Systems: Higher level of organization consisting of functionally related organs. Organisms: Individual living entities.

Population, Community, and Ecosystem:

Population: Group of individuals of the same species in one area. Community: Sum of populations in a specific area. Ecosystem: All living things and non-living parts in an area.

The Biosphere:

Represents all ecosystems on Earth, including land, water, and parts of the atmosphere.


Learn more about Biological Organization here:

https://brainly.com/question/29130629