All bacteria and viruses are unicellular, Euglena, Amoeba, Paramoecium are unicellular.
I hoped I helped!
The best answer would be d but im not entirely sure
Decomposers are necessary in the food chain because they return nutrients to the ecosystem (2)
Answer should be D. Protein
Answer:
D: two jaguars per thousand hectares.
Explanation:
Population density refers to the computation of population by unit area. It is usually implemented in living organisms, generally in humans. It is a key geological term. In easy form, population density implies to the number of people existing in an area per square kilometer or hectare, etc.
So, two jaguars per thousand hectares is an example of population density as it involves the number of jaguars (population) per thousand hectares (per unit area).
