1. Which of the following could be part of the description erp)g: ..jnzsy (7 ai/hlmo2qof a forest habitat on a mountainph). y/2z.ainqjo e7gsl:(r m ?
I. The community in the forest.
II. The population of a species.
III. The annual mean rainfall.
IV. The location of the mountain range

  2. Which of the followingat,d:-r o g gt: je6sn4of 8jnd;2ypo0 are conditions required for coral reef formation in an o:agr2t t,0s-o e 4on6ndfgdj oy8: ;pjcean?
I. Appropriate salinity of the water.
II. The presence of coral grazing species.
III. The annual mean temperature of the ocean between 22 and 27°C.
IV. The depth of the water allows sunlight to reach the reef.

  3. Which one of the following is a correct feature of a tundra biome botl n +b1z)-p8d9qpvgut not for a taiga zon)1pb -dt q8gvp9l +biome?

  4. What is the best description of the limits of tolerance of a spec msrt-iy yr7e 014(niiies?

(a) Divided leaves

(b) Low stomatal den fxeu; c+ef:d*7hlrx lw5z t5/sity

(c) Leaves at the top of tall stems.d)7efa3sgx q34 skh ;8egyf ;h

(a) List the two abiotic factors that are the detes 7gc i)hrwedm9v*(;grminants of the type of terrestrial b)9ggc*w;e (rd mi7shviome.

(b) Suggest one example of an area occup/ uxp8 u. krutlefdi):9+um ;uied by one these biomes that may change due to global warming. Suggest a reason why this change may hapu. piu;:re+/ dkutul98um)fx pen.

7. Borislava is an ecologist. She is responsible for the protectedlo0 rtv 4pdoyx0(4b hh s.of5-qpw/n. areas of a beach on the Meditern0p (4v 45plxs0whq.do.yb -rh /ooftranean coast of Spain. The area is protected because there are populations of rare plants adapted to the sand dune habitat which is a hostile environment for many plant species. The conservation areas are each of approximately 100x50m.

Explain how to carry out a line transect to monitor the distribution of plants in this part of the beach.

8. Outline three ways in which plants avoid being consume2.- c-usr:dfk8awuvjs pae.. d by herbivorous animals.vuj8rd cukw:.sf.spe-.aa2-