1
All the organisms of one species living in the same area at the same time.
population
organism that eats only plants
herbivore
one organism is hurt and the other one benefits
parasitism
Process where carbon in the air is fixed into glucose.
photosynthesis
all the living things in an area (plants, animals, fungi, bacteria)
biotic factors
Lion eats a gazelle. Who is the prey?
the gazelle
organism that eats both plants and animals
omnivore
one organism benefits and the other is unaffected
commensalism
Matter is not destroyed or created, rather it is recycled and reused.
Law of Conservation of Matter
rocks, soil, air, temperature, sunlight
abiotic factors
complex model showing how energy is passed in an ecosystem- shows all the feeding relationships
food web
True or false: energy pyramids have less energy available at the top layers than the bottom layers.
true
triangular diagram that shows the amount of energy at each step of a food chain
energy pyramid
Humans breathe in __________ and exhale _______.
organisms that eat only meat
carnivores
What type of organism is a plant that uses sunlight to make its own food?
producer
a long-term relationship between 2 different species
symbiosis
The amount of energy transferred each step of the food chain.
10%
What happens to the ecosystem if a disease kills off the the primary consumers?
the secondary consumer population will decrease
a simple diagram that shows how energy flows from one organism to another.
food chain
In an ocean ecosystem, there are several organisms. If one species of predator is removed from the ocean, what happens to the rest of the organisms?
They are thrown out of balance.
In a rainforest, how many jaguars should there be compared to the number of sloths?
There should be fewer jaguars than sloths.
or
There should be more sloths than jaguars.
The energy pyramid level with the most energy available.
the bottom, producers, plants, autotrophs
A hawk hunts and kills chipmunks
predator/prey