Biology 0610: ORGANISMS AND THEIR ENVIRONMENT Topical Past Paper Questions

(a) Snake's-head fritillary, Fritillaria meleagris, is a rare plant found in wet meadows. Figure 3.1 is a photograph of part of a snake's-head fritillary plant. Figure 3.1 Scientists first discovered a single snake's-head fritillary plant in a meadow in 1925. They counted the num…

(a) Fig. 3.1 is a photograph of the head of a king penguin. magnification $ \times $0.42 Fig. 3.1 (i) Make a large drawing of the head of the king penguin shown in Fig. 3.1. (ii) The length of line AB represents the length of the penguin's beak. Measure the length of line AB in F…

(a) Fig. 6.1 shows part of the carbon cycle in the ocean. Fig. 6.1 (not to scale) (i) Phytoplankton contain chlorophyll. Explain how phytoplankton lower carbon dioxide concentrations in the atmosphere. [2] (ii) Suggest the role of zooplankton in this ecosystem. [1] (iii) State th…