Class: 8th Science Chp. 18 Ecosystems (Notes)
1.Complete the following by using the correct option:
Question a.
Air, water, minerals, soil are ………….. factors of an ecosystem. (physical, organic, inorganic)
Answer:
Air, water, minerals, soil are physical factors of an ecosystem.
Question b.
River, ponds, ocean are …………. ecosystems, (land, aquatic, synthetic)
Answer:
River, ponds, ocean are aquatic ecosystems.
Question c.
Man is ………….. in an ecosystem. (producer, consumer, decomposer)
Answer:
Man is consumer in an ecosystem.
2. Match the following:
Question a.
Producer Ecosystem
1. Cactus a. Forest
2. Aquatic plants b. Creek
3. Mangroves c. Aquatic
4. Pine d. Desert
Answer:
Producer Ecosystem
1. Cactus d. Desert
2. Aquatic plants c. Aquatic
1.Complete the following by using the correct option:
Question a.
Air, water, minerals, soil are ………….. factors of an ecosystem. (physical, organic, inorganic)
Answer:
Air, water, minerals, soil are physical factors of an ecosystem.
Question b.
River, ponds, ocean are …………. ecosystems, (land, aquatic, synthetic)
Answer:
River, ponds, ocean are aquatic ecosystems.
Question c.
Man is ………….. in an ecosystem. (producer, consumer, decomposer)
Answer:
Man is consumer in an ecosystem.
2. Match the following:
Question a.
Producer Ecosystem
1. Cactus a. Forest
2. Aquatic plants b. Creek
3. Mangroves c. Aquatic
4. Pine d. Desert
Answer:
Producer Ecosystem
1. Cactus d. Desert
2. Aquatic plants c. Aquatic