Vocabulary
An organism that eats only meat.
a carnivore
An animal that eats plants or other animals.
a consumer
What is an event or example that would disrupt a food chain?
What is a hurricane, a tornado, a forrest fire, flood etc.
Why are decomposers important organisms in a food web?
A) They produce oxygen.
B) They prey on carnivores.
C) They are food for producers
D) They return nutrients to the soil
d) they return nutrients to the soil
Can an organism be part of more than one food chain?
A) no, because it cannot be predator and prey at the same time
B) no, because the arrows in a food web can only flow in one direction
C) yes, because it can be prey for more than one organism
D) yes, because it may live in more than one environment
C) because it can be prey for more than one organism
What are two other types of circuits besides open and closed circuits?
series and parallel
What does an Atom consist of?
an Atom consists of: a Nucleus filled with protons and neutrons, and electrons on the outside
An organism that makes its own food.
a producer
An organism that breaks down dead or decaying plant or animal material.
a decomposer
Consider this food chain: grass=> grasshopper=> mouse => snake Which organism is an herbivore?
the grasshopper
Consider the food chain: grass=> grasshopper=> frog=> snake What would happen in the ecosystem if the grasshopper population died?
A) snakes would eat the grasshopper
B) it would be fine, frogs prefer other insects anyway
C) it would be fine, the grass population would increase
D) the frog population would die from the decrease in their food supply
D) the frog population would die from the decrease in their food supply
Which type of organism is a fungus?
A) carnivore
B) omnivore
C) herbivore
D) decomposer
D) decomposer
In this circuit, when the circuit is interrupted none of the devices will work.
a series circuit
Is this an element, compound, mixture? oxygen
Element
An organism that eats only plants.
an herbivore
A network of food chains that have some links in common.
a food web
Consider this food chain: blackberries=> bird=> cat Which organism is the carnivore?
the cat
Which is true regarding an energy pyramid?
A) carnivores occupy a larger level than herbivores
B) herbivores occupy a smaller level than producers
C) consumers occupy the level below producers
D) producers and carnivores occupy the same level
B) herbivores occupy a smaller level than producers
When a frog eats a grasshopper, how much of the grasshopper's energy is transferred to the frog?
A) 10%
B) 25%
C) 50%
D) 90%
A) 10%
The type of circuit that is commonly found in buildings and homes.
a parallel circuit
Is this an element, compound, mixture? Table salt
table salt is Sodium Chloride. NaCl
An organism that eats both plants and animals.
an omnivore
What does abiotic mean?
Not alive
Consider this food chain: acorns=> squirrels=> hawks Which of these is the producer?
the acorns
Which of the following organism is a secondary consumer in the food chain?
A) hawk
B) gorilla
C) squirrel
D) earthworm
A) hawk
How does the food chain start again after the decomposer does its' job?
A) because the decomposer spreads the seeds
B) because the decomposer must constantly stay busy to stay alive
C) because the decomposer breaks the dead or decaying organism down and the nutrients go back into the soil, causing any seeds that have been dispersed a good environment to reproduce
D) because the decomposer does not totally break the organism down and some of the organism is still alive
C) because the decomposer breaks the dead or decaying organism down and the nutrients go back into the soil, causing any seed that have been dispersed a good environment to reproduce
When resistance increases in this type of circuit, the bulbs become dimmer.
a series circuit
Is this an element, compound, mixture? Washing Detergent, H20, Grease (Fat).
Water is an element, Washing Detergent is a Molecule, Grease is a Molecule. combined together, they are a mixture. As they do not form a entirely new substance
A diagram that shows the flow of energy from one organism to another.
a food chain
What does biotic mean?
something that is alive
In a Mississippi swamp, alligators and great blue herons eat fish. Which type of organism is the great blue heron?
A) decomposer
B) carnivore
C) herbivore
D) producer
a carnivore
A certain type of bear mainly eats trout. If the trout population declines, what will most likely happen to the bear population?
A) it will decrease
B) it will increase
C) it will remain the same
D) it will increase and then decrease
A) it will decrease
In a Mississippi swamp ecosystem, would you expect the alligator or fish population to be bigger?
A) fish, because they feed more predators
B) fish, because alligators can't see them very well
C) alligators, because they are at the top of the food chain
D) alligators, because they have to eat a lot
A) because fish feed more predators
Although this type of circuit is more expensive, it is used much more frequently due to the fact that if one loop is interrupted, current can still flow through the other loops.
a parallel circuit
what is the following substance C6H12O6
glucose