Biome Adaptations Niches

Sunlight and Heating at Different _____________ The Greenhouse Effect Figures 4-1 and 4-2 Heating of the Earth’s Surface ad Some Factors That Affect Climate Sunlight Some heat escapes into space Sunlight and Heating at Different _____________ Greenhouse gases trap some heat 90°N North Pole Atmosphere Sunlight 66.5°N Arctic circle Some heat escapes into space Sunlight Tropic of Cancer Earth’s surface 23.5°N Equator Most direct sunlight 0° Tropic of Capricorn 23.5°S Sunlight Arctic circle 66.5°S Sunlight 90°S South Pole

Biotic & Abiotic Factors in the Ecosystem ______ = Life Biotic factors: Living things ____= Not Abiotic factors: Nonliving things Abiotic Factors Biotic Factors ECOSYSTEM

Habitat & Niche _____________ = The area where an organism lives. Its address. _______________ = The habitat and what the organism does in its habitat. Its job.

An organism’s niche includes: The type of food it eats How it gets the food What eats the organism When and how it reproduces Physical conditions it needs to survive Bullfrog example p.91

Can two different species share the same niche? __________________ But, different species can occupy similar niches. Three species of warblers and their niches

Can all kinds of organisms live in every biome? ___________________ Species are adapted to survive in certain biomes. _____________________: an inherited condition that increases an organism’s ability to survive and reproduce.

Grassland Adaptations Grasses have pollen that is spread by the ___________, therefore the flowers are not very showy.  Roots are one of the most critical parts of the plant in a grassland.  The roots do much of the competing for space, nutrients and water, and the roots may hold most of the biomass of the plant. Grasslands lack the trees and heavy bush to hide many creatures. Because of the open landscape and the widely spaced trees, grasslands are home to large herds of grazing mammals such as the zebra and bison. Many animals are active only during the rainy season.

Rain Forest Adaptations Some animals became very ______________. Parrots and toucans eat nuts so they developed big strong beaks to crack open the tough shells. Plants must grow tall to reach the sunlight Roots do not need to be planted in the soil take their food from air and water all around. Bromeliad and Epiphytes (non-parasitic plant growing on another living plant)

wildflowers grow on forest floor Animals living within this biome must adjust to ____________ winters and hot summers Winter and summer coats (shed) Hibernate or migrate keeping active all winter. wildflowers grow on forest floor ________________ in the spring before trees leaf out and shade the forest floor many trees are deciduous (they drop their leaves in the autumn, and grow new ones in spring). 

Desert Adaptations Desert plants have two main adaptations: Ability to collect and store _______ Features that ____________ water loss Desert rodents have special adaptations so their kidneys conserve water.   The white hairy surface of the Old Man Cactus helps the plant reflect the hot desert sun.

Tundra Adaptations The frigid cold and deep snow makes life in the tundra very difficult.  Some have grown thick fur which turns white in the winter. Others find a place to hibernate during the winter months. Tundra plants are small (usually less than 12 inches tall) and low-growing due to lack of nutrients being close to the ground helps keep the plants from freezing, and because the roots cannot penetrate the permafrost. Plants are dark in color—some are even red, this helps them absorb solar heat.