Abiotic
Biotic
Ecosystem
Food Webs
Levels of Organization
100
What is an abiotic factor?
Something that is not living, never lived, or produced by living things.
100
What is a biotic factor?
Anything living, or produced by living things.
100
What type of ecosystem would be best suited for a polar bear?
Polar, cold, flat lands.
100
Where does grass get its energy to grow?
The Sun
100
Which correctly shows the levels of organization?
D
200
What abiotic factors might a person find in Antarctica? name 2
Snow, Low temperatures, high wind
200
Name 1 things the biotic factors are competing for in this picture?
Territory, for a mate, to lead.
200
What abiotic factors would you find in a tropical rainforest? name 2
Rain, high humidity, sunlight.
200
What 2 organisms will be most affected by the removal of insects?
Plants and snowy owls
200
Which level of organization is organisms of the same species, hanging around the same area?
Populations
300
What abiotic factors are needed for plants to grow? name 2
Sunlight, Water, Nutritious soil
300
How might a drought or forest fire affect the biotic factors living there?
They will either perish or have to move to survive.
300
What are the biotic parts of a desert ecosystem? name 3
Coyote, cactus, shrubs.
300
What do the arrows represent in this food web?
The flow of energy from one organism to another.
300
A group of lions and hyenas competing in an environment is considered what type of level of organization -
Community
400
What abiotic factors do trees and grasses in the same area compete for? name 2
Sunlight and Water
400
What abiotic factors do most biotic factors need in order to live? name 2
Air, Sunlight, water.
400
What abiotic factor helps all ecosystems by providing energy for producers?
The Sun
400
What organism has the greatest impact on all the other organisms?
Berries
400
A student said a community consists of elephants, trees, grass, and air. Are they right or wrong?
Wrong, a community consists of only biotic (living) things.
500
Name 3 abiotic factors you can find at the beach or in the ocean
500
Is this dead tree biotic or abiotic? Explain why for full points.
Biotic, it was once living.
500
True or False - Ecosystems have no need for biotic factors.
Explain why?
False, plants are biotic, without them, there would be no oxygen to breathe.
500
What is wrong with this picture?
The arrows are in the wrong direction.
500
Define every level of the Levels of Organization
organism-An individual (one) form of life
population-A group of organisms of the same species
community-All of the populations of different species, in a particular area.
ecosystem-A system consisting of all the interactions that occur between abiotic and biotic factors within an environment.