A relationship between two organisms where one is helped and the other is harmed.
competition
parasitism
commensalism
mutualism
A relationship between two organisms where both organisms benefit.
mutualism
parasitism
competition
commensalism
A relationship between two organisms where one is helped and the other is unaffected.
commensalism
mutualism
competition
parasitism
Which of the following is NOT an example of a symbiotic relationship?
A mother bear caring for her cub.
A bird building a nest in a tree.
Bees eating nectar and pollinating flowers
A tapeworm living in a cow's intestines.
The harmed species in a parasitic relationship is called:
host
decomposer
consumer
parasite
An organism that causes ecological or economic harm in a new environment where it is not native.
Invasive Species
Threatened Species
Extinct Species
Endangered Species
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
Mutualism
Parasitism
Predator-Prey
Commensalism
The bacteria in our large intestine break down food that we consider waste. During this process, vitamins are released that we absorb into our bloodstream. This is an example of which symbiotic relationship?
Predator-Prey
Parasitism
Commensalism
Mutualism
Hermit carbs live in snail shells that the snail has left behind. The crab gets a home and the snail is unaffected.
Mutualism
Predator-Prey
Commensalism
Parasitism
Ostriches and gazelles eat next to each other. They both watch out for danger.
Parasitism
Mutualism
Commensalism
Predator-Prey
Organism that is hunted and killed for food and nutrients
Decomposer
Predator
Prey
Producer
In a food web or food chain the arrow always points toward?
The eaten (prey)
The eater (predator)
Plants are producers because they make their own food. What is the prcocess plants use to make their own food?
symbiosis
transpiration
respiration
photosynthesis
An organism that must eat to obtain energy is known as _________.
Producer
Consumer
Which organism in the food web is an omnivore?
trout
frogsalamander
snake
An organism that eats only plants.
omnivore
herbivore
decomposer
carnivore
