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Number and variety of species living within an ecosystem.
Biodiversity
Movement of animals out of an ecosystem.
Emigration
Scientists who study birds.
Ornithologists
What is typically found at the first trophic level within an ecosystem?
Producers
Nocturnal lizard-like reptile; classified by itself.
Tuatara
Lizards with elongated bodies covered in small, shiny, overlapping scales.
Skinks
The variable being observed in an experiment.
Dependent Variable
Hard, movable plate that protects delicate fish anatomy.
Operculum
An organism's purpose or "occupation" within an ecosystem.
Niche
Retractable feathers on the front of a bird's wing.
Alula
Storage sac used by birds to moisten food.
Crop
Placoid scales that sharks are covered in.
Denticles
Father of genetics.
Gregor Mendel
System of nerve endings that allow fish to sense vibration and pressure changes.
Lateral Line
Green pigment needed to carry out photosynthesis.
Chlorophyll
Largest portion of the cell; composed of a jelly-like substance.
Cytoplasm
These bills scoop small aquatic animals from the water.
Straining Bills
Means to be born in an advanced state.
Precocial
Largest group of snakes.
Control Group
Reflective plates lining the eyes of sharks.
Eyeshine
What percent of energy is available from one trophic level to another?
1%
This kind of snake venom can cause blindness and a paralyzed diaphragm.
Neurotoxic Venom
Asian elapids with huge venom glands.
Kraits
What % of fish are cartilaginous fish?
5%