Microhabitatsin a

School Yard

TEKS 7.10A - Observe and describe how different environments, including microhabitats in schoolyards and biomes, support different varieties of organisms.

Biotic and Abiotic FactorsDefinitions:• Bio - _____• Biotic Factors:_________

__________________

• “A” prefix:_____________• Abiotic Factors: ________

LifeLiving or

once living (with life)

without or no

nonlivingor without life

Ex. Sun, Temperature, Rocks, Air, Water, Soil (STRAWS)

Ex. animals, plants

Define……. and Give an Example

1. Habitat

2. The prefix “micro”

3. Microhabitat

4. Ecosystem

5. Biome

Parasitic

Worm

Habitats

The AIDS virus

Levels of Organization in an Ecosystem:Individual

(one organism)

Population(several of same organism)

Community(several different organisms/

populations)

Ecosystem(biotic and abiotic factors)

Biome(global ecosystems)

MICROHABITAT

A very small specialized space with food, water and shelter for organisms to survive and interact with biotic and abiotic factors.

A Clump

of

Grass

Hole in a Rock

Insid

e a log

Underside of a leaf

A gard

en

Flowe

r Bed

MICROHABITATA 7th-grade Science Class examines microhabitats found on their schoolyard. Students constructed a data table to summarize their findings. Complete the table below by listing the organisms students may have found in each microhabitat.

MICROHABITAT DESCRIPTION OF MICROHABITAT

ORGANISMS FOUND

OAK TREE Leaves, branches, trunk, and acorns of the oak tree

SOIL UNDER AZALEAS OR OTHER FLOWERING BUSHES

Shady, moist with dead leaves covering the ground

DECOMPOSING LOG

Log or tree branch on the ground

Crack in a rock

Clump of grass

How many living organisms can you find?

Write this statement as a

complete sentence: I see ___ living thingsin the clump of

grass

ECOSYSTEM

The living (biotic) and nonliving (abiotic) parts of the environment and how they interact.Write down what you see:

Biotic Abiotic

• A large region or global area that has the same climate and organisms (plants, animals) in it.

BIOME

MICROHABITAT? Or Not?Copy the list below. Next to each word, write an “H” for habitat, “M” for microhabitat, or “B” for biome,.

Beaver’s Dam Puddle of water Decaying Log Ocean Termite Colony Tundra Goldfish Pond Rain Forest Burrow Coral Reef Desert Forest

Draw & Describe a Microhabitat and an Ecosystem

MicrohabitatEcosystemWrite definition anddraw an example ofA microhabitat thatIncludes several biotic andabiotic factors .

an ecosystem