B.

Name: The Biosphere - Levels of Organization Date:

The biomes are the largest divisions of the biosphere. Biomes can further be divided into smaller and smaller groupings based on the abiotic and biotic factors that are present. The diagram to the right shows just a few of these divisions.

A. From the word list below, fill in the examples under each appropriate definition. There may be more than one answer.

Pond, elephant, soil, rotting log, plants, school of fish, forest, under a log, meadow, rock, sunlight, flock of geese, Artic wolf, temperature, Venus flytrap, bottom of a pond, nocturnal bat feeding on fruit, fungi

1. Ecosystem – a community & its physical environment (both abiotic and biotic factors). Example(s):

2. Species – a group of organisms more or less alike that can interbreed & produce fertile offspring under natural conditions. Example(s):

3. Population – a group of organisms of the same species living in the same area at the same time. Example(s):

4. Community – a group of populations living & interacting with each other in a habitat; populations are dependent on each other. Example(s):

5. Habitat – the physical area in which individuals of a certain species can usually be found. Example(s):

6. Niche – the special role an organism plays in an ecosystem, including the way in which it contributes to and fits into its environment. Example(s):

7. Physical factor (abiotic factor) – the non-living parts of the environment. Example(s):

8. Biotic factor – the living organisms such as plants, animals, fungi, protists & bacteria.Example(s):

B. Describe each picture with the proper term from above.

Levels of Organization Practice:

For each of the given descriptions, assign the correct term from the list below.Terms: Biome, Ecosystem, Community, Population, Habitat, Physical factor (abiotic factor).

__________________________

__________________________

__________________________

__________________________

Sunshine is a(n)

factor

Grazing on the savannah is part of the zebra’s

This grassland is the zebra’s .The umbrella thorn tree is a(n) factor.

African grassland is a(n) .The populations of zebra, giraffe, hyenas,

grass, gazelles, shrubs etc. that live together make up a

A herd of zebras is a(n)

Zebra (Equus burchelli) is a(n)

1. All of the western red cedar trees in the forest behind Heritage Woods School.

2. The entire forest and everything in it.

3. The humidity.

4. All of the organisms present in the ecosystem.

5. A range of forests, including the one behind the school, that contain have similar biotic and abiotic factors.

6. Attached to soil on the side of a granite mountain where there is lots of precipitation falls and the temperature varies between 0C & 25C

Fill in the blanks referring to the rainforest listed above with the correct description:

a) All the howler monkeys present: _________________________b) The entire rainforest: ________________________c) All the organisms present: _______________________d) The pH of the soil: _________________________

__________________________

__________________________

__________________________

__________________________