Levels of Organization
all living and non-living factors in an area
What is ecosystem?
Without these organisms, food webs would not exist. All living things rely on these organisms.
Producers
a flea lives on a dog and feeds while the dog could get sick
parasitism
living factors in an ecosystem like plants and animals
What are biotic factors?
a symbiotic relationship that benefits one organism and harms another
What is parasitism?
A group of lions and hyenas competing in an environment is considered what type of level of organization -
What is community?
If a disease kills many producers in an ecosystem, what will likely happen to the consumers?
What is it will decrease?
barbel fish eat parasites off of a hippo who is getting cleaned
mutualism
an organism that is hunted and eaten by another organism
What is prey?
Make a food web with the following: mouse, snake, seeds, hawk (on the board with arrows)
What is seeds --> mouse --> snake --> hawk
a group of elephants living in the same area
What is population?
Which food chain correctly describes the flow of energy in an ecosystem?
A. Grass--> cow --> human
B. Caterpillar --> leaf --> human
C. Cow--> grass--> human
D. Leaf --> bird --> caterpillar
A. Grass--> cow --> human
while cattle graze on grass, birds follow to eat the bugs that are kicked up
commensalism
non-living factors in an ecosystem like the sun and water
What are abiotic factors?
How is predation different than parasitism?
Predation= one organism hunts and kills the other for energy.
Parasite= a type of relationship in which the parasite needs a host to to be able to continue surviving. The host isn't killed instantly.
What is organism, population, community and ecosystem?
a close relationship between two species that interact and at least one benefits
What is symbiotic relationship?
bees pollinate flowers while getting nectar to make honey
mutualism
a group of organisms that have the same traits are the same _______________
What is species?
In an environment food, water, sunlight, shelter, and space are
What are limiting factors?
includes everything living and where life is found on Earth
What is biosphere?
a relationship between organisms that share a habitat and need the same resources at the same time
What is competitive relationship?
Emperor shrimp seek out sea cucumbers and attach themselves to them. As sea cucumbers move across the ocean floor, they give the emperor shrimp protection from many predators. The shrimp conserves energy by using sea cucumber as a form of transportation. Sea cucumbers are not greatly impacted. Name this type of symbiotic relationship.
commensalism
when a population’s size grows so large that it can cause damage
What is overpopulation?
The role of an organism in its habitat, or how it makes its living.
What is a Niche?