Class Notes (835,673)
Canada (509,326)
BIOL 1010 (75)
Lecture 52

BIOL 1010 Lecture 52: Lecture 52

3 Pages
Unlock Document

Biological Sciences
BIOL 1010
Emily A.Mc Kinnon

OS82 Bio 1010 Millipedes are wormlike terrestrial creatures that eat decaying matter. Only 2 pairs of short legs per body segment. Centipedes are terrestrial carnivores with poisonous claws used in defence & to paralyze prey (cockroaches & prey). Each body segment bear single pair of long legs. Crustaceans Nearly aquatic. (Lobsters , crayfish, crabs, & fish) Barnacles – with cuticle that Is hardened into shell containing calcium carbonate. Jointed appendages project from shell to strain food from water. Most anchor to objects. They produce adhesive stronger than any glue. Copepods & Krill – serve as food sources for fish & whales. Characteristics Arthropods have in common: Segmentation o Exoskeleton o Specialized jointed appendages Section 20.12 – Insects are the most successful group of animals. Characteristics for success of insects: Similar to Arthropods – body segmentation, exoskeleton, & jointed appendages. Flight, waterproof coating on the cuticle, & complex life cycle. Short generation & large offspring’s. Natural selection acts rapidly, & alleles offer reproductive advantage can be quickly established in population. Life cycles Metamorphosis – animal takes on
More Less

Related notes for BIOL 1010

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.