Science Coordinate 0654: B13. Human influences on ecosystems Topical Past Paper Questions

Figure 1.1 (a) Draw straight lines from each organism to all the terms which describe that organism. Use the information from Figure 1.1. [30] [31] (b) A scientist wants to find the number of different species living in the pond. (i) State the term that describes the number of di…

Fig. 3.1 is a diagram showing some of the organisms in the Arctic ecosystem. Fig. 3.1 ) (i) State the name of the type of diagram shown in Fig. 3.1. [1] (ii) Identify the producer in Fig. 3.1. [1] (iii) Identify one organism that occupies the second trophic level in Fig. 3.1. [1]…

Deforestation changes the concentration of carbon dioxide and oxygen in the atmosphere. Which statement is correct? A There is less carbon dioxide and more oxygen because there are fewer trees photosynthesising. B There is less carbon dioxide and less oxygen because there are few…