Question

Fill in the blanks.

1. Living things in the environment are ……………. factors.

2. Biotic factors, abiotic factors and their interactions with one another form an ………….. .

3. …………… itself is one large biome.

4. The number of biotic factors in an ecosystem is decided by …………….. .

5. Green plants in the living world are …………….. .

6. Organisms that depend directly on autotrophs are known as …………. or ……….… .

7. Detritivores feed upon …………. of living things.

8. Each level in a food chain is called a …………….. .

Answer 1

1. Living things in the environment are biotic factors.

2. Biotic factors, abiotic factors and their interactions with one another form an ecosystem.

3. Earth itself is one large biome.

4. The number of biotic factors in an ecosystem is decided by abiotic factors.

5. Green plants in the living world are producers.

6. Organisms that depend directly on autotrophs are known as herbivores or primary consumers.

7. Detritivores feed upon detritus of living things.

8. Each level in a food chain is called a trophic/ feeding level.