Food chains/Ecological pyramid
What is an autotroph
an organism that makes its own food
What is the correct order for the levels of organization?
biosphere,population,community,ecosystem
population, community, ecosystem, biosphere
A close relationship between two organisms of different species, that interact and at least ONE organism is benefiting?
Symbiosis
Gradual changes to an ecosystem over time?
ecological succession
What is a herbivore
only eats plants
what is a heterotroph
an organism that has to consume to gets its energy
what type of organisms is the last step in the food chain? what do we call these organisms?
A type of relationship where one organism is harmed yet the other organism benefits
Parasitism
A volcano erupts and destroys the ecosystem, what type of succession is this?
Primary Succession
what is an omnivore? give me one example
eats both plants and animals ex: a bear
these organisms are at the base of the food chain, and we also call them producers.
what is a producer?
an organism that can produce its own energy/food
plants
How is a detritivore different from a decomposer?
detritivores only eat dead matter
A bee pollinates a flower, what type of relationship is this and why
Mutualism because they are both benefiting
What is the first stage of primary succession? and why?
Bare rock, the soil is gone
A grasshopper and a Rabbit eating the same resource (grass) would be an example of what relationship
competition
A rabbit begins eating a field of grass, the rabbit is what type of consumer?
Primary consumer
Where do the nutrients go that are broken down by the decomposers?
Back into the soil for new plants to use
An Egret bird hangs around cattle and waits for movement, so that it can catch the bugs that jump out of the grass when there is movement from the cattle.
what type of relationship is this and why?
Commensalism because only the egret is benefitting the cattle is not harmed or benefitting they are just there
The major difference between primary and secondary succession?
Primary begins with no soil, secondary begins with soil.
what is biodiversity?
What is the 10% rule in the ecological pyramid
only 10% of the energy is transferred between each trophic level/organism
What is the difference between abiotic and biotic?
biotic=living
abiotic= non-living
The mistletoe plants will grow on top of other plants and steal their nutrients, and sunlight.
what type of relationship is this and why?
Parasitism because the mistletoe is benefitting but the other plants are harmed.
This is a pioneer species that helps to break down bare rock into soil, what am I?
Lichen
What are the requirements to be considered an organism
grow
reproduce
maintain homeostasis
respond to stimuli
obtain energy