Temperature
32ºFarenheit or 0º Celsius
What is freezing?
(carbon dioxide) + (water) + photons (light energy) → (carbohydrate) + (oxygen) + (water)
Deciduous plants suspend this process in the winter.
What is photosynthesis?
This animal's large family dies in the late fall and it's genetics depend on one gal's winter survival.
Who is a wasp?
The type of feather that has a chaotic shape to trap warm air for insulation.
What is down?
The interaction between two closely related organisms, which may or may not be beneficial to both.
What is symbiosis?
A creature that can maintain a stable body temperature.
What is a homeotherm?
What are roots?
An example of an animal that can freeze almost completely in the winter without damaging its body.
Frog, caterpillar, tardigrade, arctic ground squirrel, earthworm.
This bird has feathery legs and big feet to keep warm and on top of the snow, and grows it's intestines in winter to eat more fiberous twigs.
Who is a ptarmigan or grouse?
The space between the ground and snow, where animals are protected from predators and cold air.
What is the subnivean zone?
A reflex is triggered in cold temperatures to maintain body temperature.
What is shivering?
A plant that lives on other plants or objects without harming them.
What is an epiphyte?
A period of lowered body temperature and deep sleeps to survive winter.
What is hibernation?
This bird makes and takes shelter in cavities in trees during winter.
What is a woodpecker?
A biological community of interacting organisms and their physical environment.
What is an ecosystem?
The lowering of the freezing point of water by adding chemicals.
What is supercooling?
A sugary alcohol made by plants to prevent water from freezing in their cells.
What is natural antifreeze?
The period of dormancy that can last less than 24 hours or as long as weeks.
What is torpor?
Though birds are warm blooded, this group is actually its closest living relative.
Who are the crocodilians?
An embryo and it's food protected in an outer coating can survive winter and sometimes even longer periods.
What is a seed?
The name for "cold blooded", or gaining warmth or cold from the surrounding environment.
What is ectothermic?
These two make up a plant's vasuclar system that transports water and nutrients to different parts of the plant.
What are xylem and phloem?
This animal burrows in the soil and covers itself with mucous to protect itself from freezing during winter.
Who is an earthworm?
This bird is a notorious kleptoparasite, meaning it steals the prey hunted by other birds.
Who is the bald eagle?
The organization and naming of living things.
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.
What is taxonomic ranking?