Biol 1902 Study guides, Class notes & Summaries

A moth sits camouflaged on a tree trunk. When disturbed, it opens its wings and two large eyespots appear. These: - Answer-startle predator a number of animals, non-related and all armed with some defence, look like each other - AnswerMullerian Mimicry A Polar Bear is very large and rotund (round). This shape conforms to: - Answer-Bergmanns rule A Polar Bear is very large and rotund (round). This shape conforms to: - Answer-Bergmanns Rule add lots of mud to the outside of their lodge for in...

Biol 1902 Midterm Questions & Detailed Answers 2024

BIOL 1902 - Lecture 5 To 8 Questions & Detailed Answers 2024

BIOL 1902 Midterm With Complete Solutions Latest Update

Skunks are black and white because this colour pattern makes them better camouflaged for night activity. - T Flocking in birds offers this benefit: Select one: a. birds never get lonely b. birds do not get lost c. flocks are able to find food more easily d. a flock provides more eyes to watch for danger and lessens the odds of being caught for each bird in the flock - d American Bitterns have streaks down their breast because the stripes: a. are a type of masquerade b. allow a bitte...

A type of mimicry in which a harmless species (mimic) looks like a species that is poisonous or otherwise harmful to predators (model). # models > # mimics - Batesian mimicry advertise awareness - Flags Animals getting poison from plants - Sequestering being alert and scanning the environment - Vigilance Bitter, no nitrogen - Terpenoids (cardiac glycosides) bold and often colourful patterns that are exposed suddenly to startle a predator; sometimes serve a deflection or distraction ro...

BIOL 1902 Final Exam Questions With Solutions Radula - A sharp component, like a chainsaw, with teeth that come out to process plant tissues - Ex: slugs and snails Mandibles - Modified mouthparts that are used to cut apart plant tissues - Ex: caterpillars (leaf blotch miners) Modified Teeth Teeth that have been modified to be used to eat plant material Incisors - Modified teeth; self sharpen - Ex: beavers (orange because full of iron), moose (only lower)

BIOL 1902 Final Exam Questions With Complete Solutions What adaptation do mammals have for hearing? Very large ears - Foxes and Wolves What adaptations do Owls have for hearing? (5 things) Owls use their face - Called Facial Disks Hidden Ears - inside skull Short Bills - down curved bills to prevent interference with sigh and hearing

1. DELAYED IMPLANTATION INVOLVES: - The embryonic blastocyst entering a state of suspended animation 2. RUT PITS ARE: - Shallow pits that bull Moose dig and pee in during the mating season 3. THIS IS NOT TRUE CONCERNING MOOSE ANTLERS: - Antlers are permanent structures that grow continuously and remain on a bull's head all of its life 4. WHICH OF THESE IS AN EXAMPLE OF A BATESIAN MIMICRY PAIR: - Viceroy and Monarch butterflies 5. LEKS ARE: - Communal display grounds where male Sharp...