BIOC58H3 Lecture 3: Lecture 3

• School: UTSC
• Department: Biological Sciences
• Course: BIOC58H3
• Professor: Rachel Sturge

Document Summary

1: wrong dista(cid:374)(cid:272)e is(cid:374)"t a (cid:271)ig (cid:272)o(cid:374)tri(cid:271)utor to seaso(cid:374)ality, (cid:271)ut it still plays a role (cid:449)hi(cid:272)h (cid:373)ake this wrong, right light varies between summer and winter because days different length changed by. Tilt affects insulation the angle affects that the unit area that is spread is vastly different: su(cid:374) i(cid:374) su(cid:373)(cid:373)er is (cid:373)ore i(cid:374)te(cid:374)se (cid:271)e(cid:272)ause a(cid:374)gle it"s hitti(cid:374)g o(cid:374) is (cid:373)ore dire(cid:272)t. Shows both birds and mammals have undergone range shift, but are not affected to the same degree. Leading edges advance to the new area. Trailing edge becomes less easy to live in. Sensitivity if you"re tolera(cid:374)t to (cid:271)road ra(cid:374)ge of (cid:272)o(cid:374)ditio(cid:374)s you"re less se(cid:374)siti(cid:448)e to (cid:272)li(cid:373)ate (cid:272)ha(cid:374)ge. Species in harsh environments cannot form mutualisms that help buffer from those harsh environments. Some species may be able to adapt because they have hidden genetic variation, or short generation times. If it can move it can advance with climate change.