Whats an organism?
A single living thing
What can be an abiotic factor in an ecosystem?
Air, Water, Temp., Sunlight, ect.
What can be a biotic factor to an ecosystem.
Animals, plants, bacteria, ect.
What is a food web?
A diagram of overlying food chains showing how an organism can be in multiple food chains.
What are 3 things a plant needs for photosynthesis?
Co2, water, and sunlight
What is interdependence?
The survival of other organisms depending on one another.
What is the abiotic factor in this list of things:
Soil with worms, owls, and grass
Soil with worms
Whats the biotic factor in this list of things.
soil, grass, sunlight, water
grass
True or false: in a food chain, the arrow pointing to an organism is eating what is at the other end of the arrow.
True
What does a plant make through photosynthesis?
Glucose and oxygen.
What do decomposers do?
They recycle nutrients back into the soil and break down dead matter.
Abiotic factors are in the category of a population. True or false?
False
Do primary consumers eat biotic or abiotic factors?
Biotic.
True or false, in a food web, an organism can only eat 2 things.
False
In an energy pyramid how much percentage of energy goes up to the next level? How much energy does it keep for itself?
10 percent. 90 percent.
What's the difference between generalists and specialists?
Generalists can eat anything and be happy unlike, specialists which only eat 1 or 2 max. of things.
What are the abiotic factors?
a) Temp.
b) grass
c) soil
Temp. and soil
Biotic factors are considered to be in an ecosystem. True or false?
True
A food chain/web always starts with what?
The sun
How is energy transferred in an energy pyramid?
By eating one another
What is an example of interdependence.
Example: plants need Co2 from us to do photosynthesis and we need oxygen from them, which is the end product of photosynthesis.
Do plants take in biotic or abiotic factors to do photosynthesis?
abiotic
What's at the bottom of the energy pyramid? (biotic or abiotic)
Biotic
In a food chain, What is considered a secondary consumer?
a) Grass
b)leopard
c) rabbit
B, leopard
So, a tertiary consumer eats a secondary consumer. How much energy does it have now if the producer has 1,000 kilocalories.
1 kilocalorie