No, they don't have organs and organ system.
Cells form tissues, Tissues form organs, Organs forms organ system; Unicellular have their own one cell only. So, it can't possible that they have organs or organ system.
Answer:
I would say that the answer is A
Explanation:
Sorry if I get it wrong
A. Decompostion :) :) :) :) :)
Answer:
The options
a. prehistoric archaeologist
b.archaeologist
c. Paleoanthropologist
d. paleoprimatologist
The CORRECT ANSWER IS c.
c. .paleoanthropologist
Explanation:
a. Prehistoric archaeology❌
It is the study of the previous times before historical records were used or established. It examines all the pre-urban societies of the world. It possess some unique activities and processes for evaluating material remains so that archaeologists can 'rebuild its ecological settings.
b. Archaeology, or archeology❌
It deals with the study of human processes via the recollection and evaluating of material culture. Its archaeological record employs the use of artifacts, architecture, biofacts or ecofacts and cultural landscapes.
c. Paleoanthropologist✔✔✔
Is the study of the origins and predecessors of the modern day human species, with the aid of fossils and several remnant. It deals with the study of extinct individuals of the genus Homo sapiens via its fossil remains.
d. paleoprimatology ❌
It is the study of ancient (majorly extinct) primates.
Answer:
In nature, there are a number of useful soil micro organisms which can help plants to absorb nutrients. Their utility can be enhanced with human intervention by selecting efficient organisms, culturing them and adding them to soils directly or through seeds. The cultured micro organisms packed in some carrier material for easy application in the field are called bio-fertilisers. Thus, the critical input in Biofertilisers is the micro organisms.