1. Which of the following coulrdsow- kk*-oi i2m6*dpo6+wrd be part of the description of a forest habitat on aidks--d*r*o 6ow +omwirp2 k6 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 requiredvcyyz 8lz1z. 3 for coral reef formation in an ocea1vcz zyz l83.yn?
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 featfc2 o3t,v.0rgolptf : 6tb3 mzzo5 2alure of a tundra biome but not for a taiga big r t. bomz2,lo0lottf 3 5cp36vaz:f2ome?

  4. What is the best description of the limits of to5gb 81 iyyye(flerance of a species?

(a) Divided leaves

(b) Low stomatal density9t1 hpki 1zvv*

(c) Leaves at the top o-g 6/knq0 ixhnf tall stems.

(a) List the two abiotic factors that are the determinan vm2- c;kc pdko :(wnw49/goufts of the type of terrestrial biome.c:k co2m4 f nkdp-v;gwwu 9o(/

(b) Suggest one example of an area occupiea4 rkv ; eudb0v0l :)p/,cnifod by one these biomes that may change due to global warming. Suggest a i/v al0dvnerb,fk ;u)p40 :coreason why this change may happen.

7. Borislava is an ecologistircr j 1*c-q7;w- zro3(a g2)oybfr aa. She is responsible 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 a 73)(;r ofag*2cyrj wbcazq1-roir-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 plantsxid b*h mf6fm7561tdr avoid being consumed by herbivorous animalx7b5hdm*1f6r6m if t ds.