The answer is 2. Organisms such as bacteria and fungi can be considered as decomposers wherein they breakdown waste materials from organisms that are decaying.

2

The answer is 3. A food web shows a relationship between consumers usually by the use of an image. It shows a map of feeding relationships, what organisms consume another organism. It also shows the energy transfer between producers and consumers.

3

The answer is 4. Organisms that are eaten by the goats use them as energy for their metabolism. This is one way why goats are able to metabolize grass.

4

The answer is 3. D represents the primary producers, C represents the primary consumers, B represents the secondary consumers and A represents the tertiary consumers.

3

The answer is 2. In a food pyramid, the energy harvested by the producers are transferred from producer to consumer and as the energy is passed on from level to level, it is decreased.

2

The answer is 1. Cellular respiration is the process wherein bacteria transform biochemical energy from acquired nutrients into ATP.

1

The answer is 2. The carbon cycle is the process of circulating carbon throughout parts of the environment including the different spheres.

2

The answer is 4. All of the choices are examples by which can be represented by how the carbon cycle performs. It is choice 4 that is not identical to the others.

4

The answer is 4. Cellular respiration is the process wherein bacteria transform biochemical energy from acquired nutrients into ATP.

4

The answer is 4. Consuming plants may be a big of help to organisms or animals as it may help in digesting food materials consumed by the animal.

4

The answer is 3. We can see here the pattern or process of circulating nutrients or other molecules through living and non living organisms for survival.

3

The answer is 1. An ecosystem includes both living and nonliving organisms. They interconnect with each other by way of energy flow and nutrients. Through photosynthesis, plants receive energy, plants are then eaten by animals and animals are eaten by other animals moving the flow of energy throughout the entire ecosystem.

1