1. Which of the following could be part of the description of 5-fh* 3et423wvffwbi btgf:wa forest habitat on a mougt3:h fv f3t-ew fw*5w4b2fbintain?
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 following are conditions required for o.kekqg8g1j in2sr n 7s(;t7n coral reef formation in an ocean?.g7en rknq78sis( jg1 otnk;2
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 cakora33 sl53correct feature of a tundra biome but not for a taiga bio 33lro askac53me?

  4. What is the best description of ttap*k im(l a-7he limits of tolerance of a species?

(a) Divided leaves

(b) Low stomatal den6ktbs0 mql *f(7(qr kpsity

(c) Leaves at the top of tao 1 bibs iks0)/yb-ld7ll stems.

(a) List the two abiotic factors that are the determinan8p u x k:iktld3q ;:e0i,pwfwi/e7mt4 ts of the type of terrestriki 8me:l dt :/wt 7wue30;,pxkqpfi4ial biome.

(b) Suggest one example of an area occupied jjp +p/nbe*:h*6pte g paz6l5 by one these biomes that may change due to global warming. Suggest:j6ph/e e +pzbg*a6j n tp5lp* a reason why this change may happen.

7. Borislava is an ecologist. She is l, mkiwr/bsccai2d3 )vk6 -eyzw / 4/dresponsible for the protected areas of a beach on the Mediterranean coast of Spain. The area is protected because there are populations of rare plants adapted to the sand dune habitat which is l mrd,wy6ki-b3ki e/dw4 z/ )vs ca2/ca 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-4l(-yg r 7o: xhdkypv consumed by herbivorous animalk -7p(rg4 - ydxovlyh:s.