UNIT VIII HOW ANIMALS AND PLANTS MAKE 



MORE OF THEIR OWN KIND 



^^ 







_ ] 



Fig. :?59 A 'niarc and her tivo sturdy coits. The instinct of cariuij; for their younii is 

 very stron^i, in most maiiniials. This i/mre stays by and protects i?er colts for a lojii;; 

 tiii/e, even though, nxheii born, they are jar less helpless than the young of 7/iany other 

 niaimnals. 



