The table below shows the number of some organisms in habitats W and Y. Study it to answer the question below;
| Organism | Number in the habitat | |
| habitat W | habitat Y | |
| Plankton | 126 | 0 |
| Antelope | 0 | 51 |
| Water flea | 10 | 0 |
| Tilapia | 23 | 0 |
| Lion | 0 | 6 |
| Frog | 6 | 0 |
| Grass | 0 | 250 |
The number of lions and antelops in habitat Y shows that the lion
The diagram above illustrates an ecological instrument. Study it and answer the question below;
A disadvantage of the abiotic factor measured by the instrument is that it
The diagram below is an illustration of an ecological instrument. Study it an answer the question below;
When the instrument is in use, it is usually?
Soil with the finest texture is?
The position occupied by an organism in food chain is the
