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