Levels of Organization
What defines a species?
What is an organisms that can produce offspring and whose offspring can also reproduce.
A graph that is shown as a J -curve indicates...
Exponential Growth
An organism that uses sunlight to create its food
What is a photoautotroph?
What do omnivores eat?
plants and animals (everything)
A flea sucking blood from a dog is an example of...
Parasitism
What are the non living parts of an ecosystem
abiotic factors
An S-curve shows what kind of population growth?
logistic growth
What happens to energy as you move along a food chain?
The energy decreases, is "lost" as heat
The process of acquiring energy from chemicals is called...
What is chemosynthesis?
An amoeba protecting a clown fish is an example of this type of relationship.
What is a mutualistic relationship?
All the populations living in one place ?
What is Community?
When an environment can no longer sustain a population we say that it has reached...
Carrying Capacity
Plants use this process to turn light into chemical energy
What is photosynthesis
What should be at the start of every food chain
The Sun
Commensalism
Living organisms in an ecosystem
What is biotic?
Populations cannot keep growing forever because...
-conditions are never ideal in real life
-resources run out
-something runs out; food, space, resources
The arrows in a food chain and food web represent....
What is the flow of energy?
An organism that eats meat
What is a Carnivore
Humans have a disproportionate effect on the environment, this is why we are known as a ______, _____, _______
Hyper Keystone Species
Things like disease, competition and predation are ______ ______ meaning they may get worse with a larger population.
Density Dependent
What does a food web show?
The flow of energy through nutrients/feeding
An animal that does not make its own food.
What is a consumer?
Buffalos, sea stars, and sea otters are example of this.
What are keystone species?
What are the four systems of Earth
Bio / Hydro / Geo / Atmo - Sphere
Density independent
Three types of organisms in an ecosystem.
What are producers, consumers, and decomposers?
This means nutrients/ food
Troph/ Trophic
What happens when keystone species are removed from a food chain/web?
What is a Trophic Cascade?
Biomes are defined by these 4 things...
Temperature, rain/ Precipitation, plants, animals
Another way to say rain is...
What is precipitation?
What percentage of energy flow to the next level?
10%
bacteria, fungi, worms, ants, beetles, sow bugs
What are some examples of decomposers?
Life