Biology Exam Review

Front 1

3 spheres that make up the earth

Back 1

Atmosphere, Lithosphere, and hydrosphere

Front 2

Biotic factors

Back 2

BIOTIC FACTORS: the LIVING things in an ecosystem which includes: all organisms, their remains, and their products and wastes.

Front 3

Abiotic factors

Back 3

ABIOTIC FACTORS: the NON-living components of an ecosystem which includes physical and chemical components such as temperature, wind, water, minerals and air.

Front 4

Sustainable ecosystems

Back 4

Sustainability:the ability to maintain an ecological balance.

Front 5

Producers

Back 5

Producers are organisms that make their own food; they are also known as autotrophs. They get energy from chemicals or the sun, and with the help of water, convert that energy into useable energy in the form of sugar, or food. The most common example of aproducer are plants.

Front 6

Consumers

Back 6

Consumers are organisms that need to eat (i.e. consume) food to obtain their energy. These organisms are called heterotrophs, meaning they must eat something else (hetero) as food. When we think of things eating for energy, our minds probably drift to animals, like birds, cats, or insects.

Front 7

Food chain

Back 7

Feeding relationships between species can be represented usingfood chains.

Front 8

Food web

Back 8

A food webis a more accurate, but still incomplete, way to illustrate feeding relationships.

Front 9

Carrying capacity

Back 9

The carrying capacity of a biologicalspecies in an environment is the maximum population size of the species that the environment can sustain indefinitely, given the food, habitat, water, and other necessities available in the environment.

Front 10

The 4 biomes found in canada

Back 10

• Temperate Deciduous Forest • Boreal Forests • Tundra • Grasslands

Front 11

Ecological succession

Back 11

Ecological succession is the process of change in the species structure of an ecological community over time. The time scale can be decades, or even millions of years after a mass extinction.

Front 12

Acid precipitation

Back 12

Acid rain, or acid deposition, is a broad term that includes any form of precipitation with acidiccomponents, such as sulfuric or nitric acid that fall to the ground from the atmosphere in wet or dry forms.

Front 13

What is a pesticide

Back 13

a substance used for destroying insects or other organisms harmful to cultivated plants or to animals.

Front 14

Algae

Back 14

a simple, nonflowering, and typically aquatic plant of a large group that includes the seaweeds and many single-celled forms.

Front 15

Fertilizer

Back 15

a chemical or natural substance added to soil or land to increase its fertility.