b[ii]state four differences between the definition of a human and a goat
(a)(i) What is an ecological niche?
(i) State five roles played by a mango tree in its ecological niche.
(b)i) State two reasons why ecologists use sampling techniques in population studies.
(i) State four examples of sampling techniques used in population studies.
(c)Name four types of fingerprints in humans.
(d)) Name the plant used by Gregor Mendel in his experiment.
(ii) State two reasons why the plant named in 3(d) was used.
(a) What are conversation laws?
(i) State three conservation laws
(b) State two reasons why animals are poached.
(i) Name five animals that are commonly poached.
(c) State four effects of excessive use of the forest.
(d) Explain briefly the following terms: i.blood transfusion ii.antigen
5.(a) State three differences between the alimentary canals of earthworm and cockroach.
(i) State three similarities between the alimentary canals of earthworm and cockroach.
(b) The diagram below is an illustration of a biological cycle.
Study it and answer questions 5(b)i) to 5(b)(iii)
[i]Name the biological cycle (i) Explain briefly three roles played by plants and animals in the cycle (ii) Name the process that occur in X, Y and Z.
c. complete the table below.
| organs associated with excretion in human | three diseases that affect the organ |
(d)i) What is decay of organic matter
(i) Name two groups of organisms that cause decay of organic matter.
(i) State one other factor that causes decay.
(iv) Name the biological cycle that involves decay.
(e) Explain briefly the mode of nutrition in carnivorous plants.
