BIOB50H3 Lecture 16: Chapter 16

78 views5 pages

Document Summary

Feathery fluorescent green fronds interconnected by creeping underground stems called rhizomes carpeted an underwater area in the mediterranean sea. The species had never been seen in such cold waters and it had certainly never reached the high densities he recorded. The toxicity of the seaweed which produces a peppery secondary compounds to deter the dish and invertebrate herbivores that abound in the tropics press (cid:373)isla(cid:271)elled as (cid:862)killer algae(cid:863) Groups of interacting species that occur together at the same place and time. Ecologists often delineate communities by their physical or biological characteristics. Defined by physical characteristics of its environment. Ecologists may use subsets of species to define communities. Divide community based on taxonomic affinity: forest community limited to all the bird species within that community - (cid:862)the forest (cid:271)ird (cid:272)o(cid:373)(cid:373)u(cid:374)it(cid:455)(cid:863) Guild: group of species that use the same recourses even though they might be taxonomically distant. Birds, bees, bats that feed on pollen (cid:862)guild of polle(cid:374)-eati(cid:374)g a(cid:374)i(cid:373)als(cid:863)

Get access

Grade+20% off
$8 USD/m$10 USD/m
Billed $96 USD annually
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
40 Verified Answers
Class+
$8 USD/m
Billed $96 USD annually
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
30 Verified Answers