Food Web/Chains
This type of organism eats both plants and animals
omnivore
Which of the following is an example of parasitism? A) a remora attaches to a shark to catch a free ride
B) barnacles live on whales by attaching themselves to whales. The whales don’t pay attention to these barnacles.
C) wasp larvae feed on a caterpillar. The caterpillar is weakened because of this
D) a hermit crab is able to carry an anemone on its back. The anemone eats food scraps from the crab. The anemone helps the crab to camouflage against its predators.
C) wasp larvae feed on a caterpillar. The caterpillar is weakened because of this
Algae->zooplankton->small fish-> large fish->birds.
Mercury is passed through this food chain. Which organism is the first to absorb pollutants?
Algae
This type of organism gets energy from the sun to create food.
autotroph or producer
plant -> cricket -> frog -> snake -> hawk
Where does the plant get its energy from?
Sun
What is another name for consumer?
heterotroph
This is a symbiotic relationship where organisms live together and both of them are helped or benefited.
mutualism
What is a DDT?
a) fertilizer
b) a chemical found in electronics
c) a pesticide
c) a pesticide
Ants live on Acacia trees and keep harmful insects off the trees. The ants get food and shelter.
What type of symbiotic relationship is shown?
mutualism
(The ants get food and shelter. The tree gets protection)
plant -> cricket -> frog -> snake -> hawk
Which organism is the quaternary consumer?
hawk
True or false:
Herbivores are autotrophs
false
Which is a true statement?
a) habitat - where the organisms lives and its role in the environment
b) niche - where an organism lives
c) niche - an organism's role in the environment
d) habitat - where an organism lives
d) habitat - where an organism lives
Mercury can be released into the environment and affect many fish. Why are pregnant women and nursing mothers told not to eat fish?
a) Mercury can be passed to the baby and can cause damage
b) It causes cancer
c) Any organism that has mercury in their bodies will die, no matter the amount
d) This is not true, there are no negative effects on pregnant women eating fish.
a) Mercury can be passed to the baby and can cause damage
This organism eats dead or decaying organisms.
Decomposers
Egret birds follow cattle. They eat insects in the grass that cattle stir up when they graze in pastures.
What type of symbiotic relationship is seen between the birds and cattle?
(The birds get food while the cows walk. The cows are not helped nor harmed by the birds)
plant -> cricket -> frog -> snake -> hawk
Which organism is the secondary consumer?
Fleas attach to animals and people. They bite them to suck their blood for food.
What type of symbiotic relationship is shown?
Parasitism
(The flea gets food, the animal/people lose blood)
What happens to falcons or large birds at the end of the food chain if DDT is released into the water?
Eggs thin and break during incubation causing populations to drop.
______________ is when plants absorb nitrogen from the soil.
assimilation
Name two ways carbon goes back into the atmosphere.
cellular respiration, decomposition, or burning fossil fuels
where energy goes to next
______________________ is when organisms belonging to the different species compete over the same resources.
intraspecific competition
Set the timer to 1 minute.
Algae->zooplankton->small fish-> large fish->birds.
DDT is passed through this food chain. Which organisms would be better to eat a small fish or large fish? Explain your answer. You must include the word food chain in your answer
Small fish will be better to eat because they wouldn't have as much mercury in their bodies since they are lower on the food chain.
Phosphorus is mostly found in _________________
rocks
The ___________________________________ states that no two species can occupy the same niche in the same habitat in the same time
competitive exclusion principle