Answer: The five kingdoms are: <u>animal, plant, fungi, protist and monera. </u>The system of biological kingdoms is the way in which science classifies living things according to their ancestry over the course of evolution. they also have common ancestors and therefore share some of their genes and belong to the same family tree.
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Answer:
because of inefficiency
Explanation:
The organisms that eat the primary consumers are meat eaters (carnivores) and are called the secondary consumers. ... Because of this inefficiency, there is only enough food for a few top level consumers, but there is lots of food for herbivores lower down on the food chain. There are fewer consumers than producers.
Answer: A y B son correctas
Explanation:
Answer:
Ratio = 
Explanation:
Side of a cube, a = 20 µm

The surface area of a cube, A = 6a² (a is side of the cube)
The volume of a cube, V = a³
The ratio of the surface to volume ratio of the cell will be given by :

So, the ratio of the surface to volume ratio of the cell
.