Balance of nature questions | form two Biology

One of the characteristics used to identify producers in the ecosystem is
A feeding on ready-made food
C feeding on other organisms
E adding organic matter in the soil
B growing in fertile soil
D making their own food

(a) Describe the following ecological terms:
(i) Decomposers
(ii) Producers
(iii) Parasites
(b) With example, briefly explain how comparative embryology supports the idea of organic evolution.

(a) Describe the following ecological terms:
(i) Decomposers
(ii) Producers
(iii) Parasites
(b) With example, briefly explain how comparative embryology supports the idea of organic evolution.

(a) With example, explain the meaning of the following:
(i) Renewable natural resource
(ii) Nonrenewable natural resource
(b) (i) What is the importance of recycling of the resources?
(ii) Name the carbon cycle processes which are likely to affect the oxygen concentration in the atmosphere

(a) Define the terms “food chain” and “food web” as used in Biology.
(b) Construct a food chain by using the following organisms: Grasses, Snake, Grasshopper, Frog.
(c) Explain the significance of food chain and food web in the real life situation.

A group of interdependent organisms living in an environment is called a community.

Green plants are decomposers.

(a) What is natural environment?

(b) Explain the importance of the natural environment.

(c) Explain two significance of food chains and food webs in real life situation.

A place where organisms are found is known as

1. Society
2. Community
3. Habitat
4. Niche

Bacteria and fungi are ecologically referred to as

1. producers.
2. decomposers.
3. parasites.
4. predators.