Food Chain
organism that produces food from sunlight
producer
a producer
a group of the same species living in the same area
population
if a prey population increases, the predator population ___________________
increases
which of the following is not a decomposer:
Bacteria, Oak tree, Earthworm
Oak Tree
organism that gets energy by eating other organisms
consumer
animal that eats only plants
herbivore
how populations change over time
population dynamics
if a predator population increases, the prey population would _____________________
decrease
what level consumer is a great white shark?
(primary, secondary, tertiary or apex predator)
apex predator
organism that breaks down the wastes or remains of other organisms
decomposer
animal that eats only other animals
carnivore
something that puts a limit on how big a population can get
limiting factor
predator - prey populations show which type of growth: exponential or oscillating?
oscillating
Did adding wolves to Yellowstone Park lead to more or less biodiversity?
MORE!
energy
animal that eats both plants and animals
omnivore
name a limiting factor
limited food, predators, diseases, climate, competition, etc.
if an additional predator was introduced, the prey population would _____________________
decrease
one way a wall at the U.S - Mexico border could affect animals in the area is __________________
reduce genetic diversity; cause drowning deaths; prevent free animal movement; etc.
following any path of arrows on a food web results in a _________________
food chain
An animal that eats herbivores is a _______________ consumer
secondary
if a predator is killed off, what would happen to the size of their prey's population?
it would increase
if there is not enough food in an area, an animal will either starve or ________________
move to a new area
an organism that is brought from one ecosystem to another that has harmful effects
invasive species