Biology · Oct / Nov 2024 · Paper 42 · Question 4

a group of organisms that can reproduce ;

to produce fertile offspring ;

self-pollination labelled and arrow drawn from an anther to the stigma on the same flower ;

cross-pollination labelled and arrow drawn from anther on one flower to stigma on the other flower ;

anther labelled and stigma labelled ;

X: contains ovules / female gamete / site of

fertilisation / forms the fruit / site of seed, formation or production ;

Y: protects (flower when in) bud ;

any three from:

involves, gametes / sex cells / pollen and ovules ; ref. to haploid cells ;

ref. to meiosis / reduction division ;

involves, fertilisation / fusion of nuclei / formation of zygote ; offspring show genetic variation ;

water / aquatic ;