When something becomes different over time.
a). stability
b). change
c). indirect effect
d). competition
b). change
What do we call the process of creating offspring?
a). reproduction
b). production
c). survival
d). energy
a). reproduction
The size of a population can be affected by any population that is connected to it in a __________, even if they are not directly connected.
a). sample
b). food web
c). competition
d). food pyramid
b). food web
The owl receives energy from which organisms?
a). grasshopper and mouse
b). mouse and rabbit
c). rabbit and butterfly
d). butterfly and frog
b). mouse and rabbit
What do birds need energy for?
A) flying
B) breathing
C) digesting food
D) all of the above
D) all of the above
What do we call a group of the same type of organisms living in the same area?
a). community
b). pollution
c). population
d). town
c). population
a). top dog
b). producer population
c). consumer population
d). animal canibal
c). consumer population
Elephants eat grass. What is the consumer population?
a). Elephants
b). Grass
c). Both are the consumer population
d). Neither are the consumer population
a). Elephants
What do organisms use energy for?
a). Growth only
b). Reproduction only
c). Moving around only
d). Everything they do to survive, grow & reproduce
d). Everything they do to survive, grow & reproduce
A large population of squirrels has stayed the same for 50 years. What must be true about the squirrel population during the last 50 years?
a)The number of squirrels that were born was the same as the number of squirrels that died.
b)Humans started protecting the squirrel population so they stopped dying.
c)The squirrels did not have any baby squirrels during these years.
d)No squirrels were born and no squirrels died.
a)The number of squirrels that were born was the same as the number of squirrels that died.
What is the name for a small part that is meant to show what the whole is like?
a). sample
b). simple
c). part
a). sample
When a population stays mostly the same over time, it is considered
a) a stable population
B). Increasing population
C) decreasing population
a) a stable population
All living things, such as plants, animals, and bacteria is known as?
a). molecules
b). organisms
c). producers
b). organisms
The smaller the resource population, the ______ energy storage molecules are available for its consumer populations.
a). more
b). less
b). less
A strong sample is representative of the whole
a) True
b) False
a) True
a). cooperation
b). fighting
c). competition
c). competition
Two populations can compete for the same resource population. A change to one of these populations affects the _____ of the other.
a). type
b). number of males and females
c). size
d). speed
c). size
What is the name of the model that shows what eats what in an ecosystem?
a). food web
b). food pyramid
c). diagram
d). graph
a). food web
The Human population is increasing worldwide. What does that mean?
a). Less births than deaths
b). More births than deaths
c). There is an equal number of births and deaths
b). More births than deaths
A fallen stick on the ground is a biotic factor
a) true
b) false
a) true
What do we call a particular area where organisms interact with each other and their surroundings?
a) population
b) ecosystem
c) city
d) environment
b) ecosystem
What do we call a molecule that organisms can use to for energy , needed to survive & reproduce?
a). food storage molecule
b). energy releasing molecule
c). energy storage molecule
d). mitochondria
c). energy storage molecule
What do we call a population that is being eaten ?
a). consumer population
b). resource population
c). producer population
d). food
b). resource population
The more energy storage molecules available to the population, the _______ the organisms in that population can reproduce.
a). more
b). less
a). more
a). No animal eats panthers.
b). Fewer panthers were born than died.
c). More panthers were born than died.
d). A lot of panthers were born and none of them died.
c). More panthers were born than died.