Heredity Adaptations in traits found in Birds

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Presentation transcript:

Heredity Adaptations in traits found in Birds Drawing Lab Science 7 Mr. Nigh

Darwin’s Finches adaptations Darwin's finches are an excellent example of the way in which species' gene pools adapt for long term survival. Their beaks have evolved over time to be best suited to an important function—Food Acquisition

Adaptation: a characteristic of a species that allows members of that species to survive in a particular environment

Beak Adaptations Pelican Pouch like — can hold the fish it catches to eat

Avocet Long thin – can probe shallow water and mud for the insects it eats.

Pointed – can break and probe bark of trees for the insects it eats Woodpecker Pointed – can break and probe bark of trees for the insects it eats

Hawk Curved – can tear solid tissue for the meat it eats

Warbler Finch Short, Stout – Can crack the seeds and nuts it eats

Hummingbird Slender, long – Can probe the flowers for nectar

Feet Duck Webbed – Aids in walking on slick rocks and swimming

Crane Heron Long toes – Aids in walking in mud

Clawed – Can grasp food when hunting prey Bald Eagle Clawed – Can grasp food when hunting prey

Chicken Grasping – Aid in sitting on ledges, roosting, and good protection

Legs Ostrich Long, Powerful – Aids running ability

Great Blue Heron Long, Slender – Aids wading ability

Bald Eagle Powerful Muscles – Aids lifting, carrying prey

Chickens Flexor tendons – Aids in perching, grasping

Wings Peregrine Falcon Large Wingspan – Aids soaring ability while hunting

Hummingbird Small, fast wings -- Ability to hover near food source for maneuverability and quick getaway

Objectives in Lab You will recognize that there are advantages for birds in looking the way that they do. You will recognize some of the ways in which birds are physically adapted to their environments Follow instructions given on lab sheet to construct a new species of bird perfectly adapted with characteristics from its evolutionary gene pool to not just survive, but thrive!!