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.
Parasitism
Predator-Prey
Mutualism
Commensalism
Decomposers are important in the food chain because they ___________.
stop the flow of energy from one organism to another.
produce their own food using light from the sun.
break down dead organisms & recycle nutrients into the soil.
are microscopic and other organisms can't consume them.
What is likely to happen to the population of foxes if the population of rabbits decreases?
It will stay the same.
It will increase.
It will decrease.
An organism that eats only meat.
carnivore
decomposer
omnivore
herbivore
The harmed species in a parasitic relationship is called:
host
consumer
decomposer
parasite
A relationship between two organisms where one is helped and the other is harmed.
parasitism
mutualism
competition
commensalism
An organism that eats only plants.
herbivore
omnivore
carnivore
decomposer
Hermit carbs live in snail shells that the snail has left behind. The crab gets a home and the snail is unaffected.
Commensalism
Predator-Prey
Parasitism
Mutualism
A relationship between two organisms where one is helped and the other is unaffected.
competition
mutualism
commensalism
parasitism
Which organism receives the least amount of energy from the producers?
Rabbit
Hawk
Mouse
Grasshopper
Organism that is hunted and killed for food and nutrients
Predator
Decomposer
Prey
Producer
How many prey does the fox have?
4
3
2
1
Which of the following in NOT an example of a symbiotic relationship?
A tapeworm living in a cow's intestines.
A bird building a nest in a tree.
Bees eating nectar and pollinating flowers
A mother bear caring for her cub.
Ostriches and gazelles eat next to each other. They both watch out for danger.
Commensalism
Mutualism
Predator-Prey
Parasitism
Which organism in the food web is an omnivore?
snake
frogsalamander
trout
An organism that causes ecological or economic harm in a new environment where it is not native.
Extinct Species
Endangered Species
Invasive Species
Threatened Species
In a food web or food chain the arrow always points toward?
The eater (predator)
The eaten (prey)
What is likely to happen to the population of thrushes if the population of slugs increases?
It will increase.
It will stay the same.
It will decrease.
Plants are producers because they make their own food. What is the prcocess plants use to make their own food?
transpiration
respiration
photosynthesis
symbiosis
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
Predator-Prey
Parasitism
Commensalism
What do the arrows in a food chain show?
What eats what
The transfer of energy
How many organisms are present
An organism that must eat to obtain energy is known as _________.
Consumer
Producer
Energy from the plantain is transferred to the frog through which organsim?
grasshopper
butterfly
greenfly
ladybird
An organism that eats only meat.
carnivore
decomposer
omnivore
herbivore
A relationship between two organisms where both organisms benefit.
commensalism
mutualism
parasitism
competition