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Friendly Bio. Ch 28

Vocabulary Terminology for Chapter 28 in Friendly Biology

Question or TermAnswer or Definition
Ecology is the study of the relationships between living things and their environments.
Environment is defined as being everything, both living & nonliving, which are found in the location where a living organism lives.
Biosphere is the segment of t he earth where life exists.
Biome is defined as an area of the earth where similar organisms thrive and others do not.
Polar Biome is found at the North & South Poles of the earth and average temperatures -40 F to 25 F & < 5" of precipitation in a year.
Tundra Biome is areas with short plants & few mammals due to temperatures of -28 F to 39F and < 10" of precipitation in a year.
Coniferous Forest Biome is characterized by evergreen, cone bearing trees & temperatures of 14F to 57F with precipitation being between 12-30" in a year.
Deciduous Forest Biome is characterized by predominance of trees which lose their leaves during cooler seasons & temperatures from 42F-82F with annual precipitation from 30-50".
Grasslands Biome is characterized by abundant grasses and few trees, but same latitude of Deciduous biome and temperatures slightly cooler and only 10-30" of precipitation annually.
Desert Biome is found in regions which are warmer on average than grasslands yet receive less precipitation. Temperatures range from 75F-94F with < 10" of precipitation annually.
Rain Forest Biome can be divided into categories, 1. tropical rain forest 2. Temperate rain forest .
Tropical Rain Forest Biome is along the equator & temps 77F-81F
Temperate Rain Forest Biome is along the western coast of North America with temps between 50F-60F
The Marine Biome consists of the earth's oceans and seas.
The Freshwater Biome consists of lakes, rivers, streams.
Estuaries are where river of freshwater mix with the salt water of a sea or ocean.
Autotrophs are organisms capable of capturing the energy of the sun and converting it to useable food for itself.
Producers are autotrophs or plants.
Heterotrophs are organisms that harvest energy captured from autotrophs.
Consumers are Heterotrophs, meaning we get our energy from plants or other animals that eat plants.
Primary consumer is a consumer or heterotroph that eats a producer or plant.
Secondary consumer is a consumer of primary consumers.
Herbivores are consumers whose sole food source are producers or plants
Omnivores are consumers whose food source are producers and consumers or plants and animals.
Scavengers are organisms that consume dead organisms.
Amount of Available Energy is reduced with with each step through an ecosystem away from the producer level.
Biogeochemical cycles demonstrate how chemical elements move round and round through living (bio-) and then nonliving portions (geo-) of the environment.
Created by: CDM2KK
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