1. Which of the following could be p1 kpu ei8m5yt)art of the description of a forest habitat on yut )5 8ke1mpia mountain?
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 fobnyfap +x9y;jn7q 4+h r coral reef formation in an ocea+pyja nyqn49f b;+h7x n?
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 featuzyf(kup r.tlxk-+wr / : t3d;rre of a tundra biome but not for a taiga bidu; rxr3trk l(y+tzk wp:-./ fome?

  4. What is the best descript da3z6j -tz7pcion of the limits of tolerance of a species?

(a) Divided leaves

(b) Low stomatal density zl7h k2:bp:vg0df o5i

(c) Leaves at the top of tall stezxt 899o-e )7cioh 8gvtuo8goms.

(a) List the two abiotic factors that are the determinan8 o/gq f c m1jc5)p2x*ru -57leijpiljts of the type of terrestrial biol rif 8i*12xoc5pcmg jljp 7uej-q5/)me.

(b) Suggest one example of an area occupied by one these biomes thaivw9gol)zno y ;h)ou2,:oc 8i t may change due to global warming. Suggest a reason why this9o:i,8ou o)yl2g)nc zohiw v; change may happen.

7. Borislava is an ecologist. She is responsisu*;xq k/+wtsa a 6r;vble for the protected areas of a beach on the Mediterranean coast of Spain. The area is proteckav*6rq stsw+;x/a ;uted 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 plantsv*ipk:o 9* f: dweux88wr0 qzf avoid being consumed by herbivorous animalp :08xf v w:*f 8uzerw9kio*dqs.