Biotic Factors
Give an example of a biotic factor.
animals, plants, fossils, etc.
Give an example of an abiotic factor.
Rocks, soil, temperature, light, etc.
The most broad level of organization that encompasses the entire Earth is what?
Biosphere
In terms of food chains and trophic levels, plants that make their own energy are known as what?
Producers
Why are decomposers important?
Because they break down and recycle nutrients.
Name the biotic factors in this statement. "The grey rocks fell down the mountain in a landslide, narrowly missing the tree that housed a family of barn owls."
The tree and the owls are biotic factors.
Name the abiotic factors in this statement: "The grey rocks fell down the mountain in a landslide, narrowly missing the tree that housed a family of barn owls."
Rocks, mountain, landslide, etc.
A family of otters and beavers meet and interact with each other. What level of organization is this?
Community
Animals and some plants that eat other organisms for energy are known as what?
Consumers
The process of bringing rock filled with phosphorous to the surface so that it can be weathered is known as...
Uplift
What is the definition of a biotic factor?
Any living or once living thing in an ecosystem.
What is the definition of an abiotic factor?
Any non-living part of the environment.
This is the first level of organization that introduces abiotic factors.
Ecosystem
A man-made product that contains phosphorous and nitrogen that we add to soil to help plants grow.
Fertilizer
When organisms die they go through this part of the carbon cycle.
Decomposition
True or false. Crude oil is a biotic factor.
True. Oil was once living plants and animals that fossilized over millions of years.
True or false. Wind is not an abiotic factor.
False. Wind is an abiotic factor.
All of the large mouth bass in a small area represents what level of organization?
Population
The maximum number of individuals that an environment can support is known as...?
Carrying Capacity
What are the 2 products of cellular respiration?
CO2 and water
What biotic factors would you expect to see in a pond?
Fish, algae, lily pads, bacteria, etc.
What abiotic factors would you expect in a desert?
Sand, rocks, sunlight, wind, heat, etc.
The smallest/most narrow level of organization is what?
Individual/organism
If a rose bush produces 100kcal of energy and a mouse eats the bush, how much energy is transferred to the mouse?
10kcal. Remember the 10% rule.
What are the 2 products of photosynthesis?
Glucose (sugar), oxygen