Biol 1902 - Study guides, Class notes & Summaries

3 ways cowbirds find hosts - 1. sit high on perch and look around 2. walk on ground and look 3. drive birds off by scaring them so that they can lay their eggs 4 advantages of seed dispersal - -Avoids crowding competition -Prevents spread of disease -Prevents in-breeding -Saves some offspring from being eaten 5 adaptations of obligate brood parasites - 1. fast egg laying (20-40 sec for cowbirds) 2. thicker egg shells 3. fast hatching egg 4. removal of host egg prior to laying 5. baby ...

_____ eggs have elaborate nests why? - small because these young birds stay in nests for a long time after birth (they are altricial) ______ eggs have litte effort in nest building - big ________ moving animals tend to be hermaphroditic - 1) slow Antlers are used as an indicator of: - 1. age Are clams ectoparasites? - Only baby clams Are ectoparasites normally flat bodied or round bodies? - Flay bodied Are intromittent organs always on display? - no, when it is not needed it is typically...

Photosynthesis - Conversion of light energy from the sun into chemical energy. Autotrophic - an organism capable of making their own food What are the 6 ingredients that most plants use to make food? - 1. nitrogen 2. phosphorus 3. calcium 4. water 5. sunlight 6. carbon dioxide Mycorrhizae - a fungus that grows in association with the roots of a plant in a symbiotic or mildly pathogenic relationship. They can increase nutrient uptake and prevent uptake of toxic compunds Endomyc...

Active Searching - The act of a predator going out and trying to find its prey Adhesive Trap - A trap used by plants to catch and consume insects Adpations for Storing Food - Enlarged salivary glands, sticky saliva, amazing memory, and early nesting Advantages of Eating Animals - High in protein, easier to digest than plant tissue, and higher energy return Advantages of Travelling at Night - No overheating because of cooler temps, typically less wind at night, safer from predator species ...

BIOL 1902 A Midterm Notes With Complete Solutions Latest Update

BIOL 1902 Final Exam Review With Complete Solutions Latest Update

Biol 1902 A Midterm Notes Questions & Detailed Answers 2024

BIOL 1902 Final Exam With Complete Solutions Latest Update

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 Asymmetrical Ear Canals - gives horizontal separation which allows owl to find prey more precisely - Called Auditory Crosshairs!! Low wing loading - large wings with small body - wing feathers...

Mobility - The ability to move freely through high snow Moose (Physical Adaption) - Legs up to 2 meters high to walk through snow Snowshoe Hares (Physical Adaption) - Large hind feet that allow the animal to walk above the snow Fisher (Physical Adaption) - Northern Weasel with large hind feet Northern Grouse (Physical Adaption) - Has feathers on its feet increasing surface area and acting as snowshoes Ruffed Grouse (Physical Adaption) - Grows snowshoes every autumn Subnivean Sp...