A relationship between two organisms where one is helped and the other is harmed.
commensalism
parasitism
mutualism
competition
A relationship between two organisms where both organisms benefit.
commensalism
parasitism
competition
mutualism
A relationship between two organisms where one is helped and the other is unaffected.
mutualism
parasitism
commensalism
competition
Which of the following in NOT an example of a symbiotic relationship?
Bees eating nectar and pollinating flowers
A tapeworm living in a cow's intestines.
A bird building a nest in a tree.
A mother bear caring for her cub.
The harmed species in a parasitic relationship is called:
decomposer
host
consumer
parasite
An organism that causes ecological or economic harm in a new environment where it is not native.
Endangered Species
Invasive Species
Extinct Species
Threatened 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.
Commensalism
Mutualism
Predator-Prey
Parasitism
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?
Mutualism
Parasitism
Predator-Prey
Commensalism
Hermit carbs live in snail shells that the snail has left behind. The crab gets a home and the snail is unaffected.
Predator-Prey
Commensalism
Parasitism
Mutualism
Ostriches and gazelles eat next to each other. They both watch out for danger.
Commensalism
Parasitism
Predator-Prey
Mutualism
Organism that is hunted and killed for food and nutrients
Prey
Producer
Predator
Decomposer
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?
photosynthesis
symbiosis
transpiration
respiration
An organism that must eat to obtain energy is known as _________.
Consumer
Producer
Which organism in the food web is an omnivore?
trout
snake
frogsalamander
An organism that eats only plants.
herbivore
omnivore
carnivore
decomposer
