Science Stuff Exam Questions &
Answers.
Living Things and the Environment - CORRECT ANSWER ...
The picture shows an interaction within an environment.
Which describes the interaction? - CORRECT ANSWER The tree is biotic and is interacting with an abiotic
factor.
Which could be classified as part of an ecosystem but not part of a community? - CORRECT ANSWER
minerals
A group of organisms of the same species that live in an area is called a(n) _______. - CORRECT ANSWER
population
A ____ is an environment in which an organism's needs are met. - CORRECT ANSWER habitat
Which best describes an organism's niche? - CORRECT ANSWER role
Which are examples of abiotic factors? Check all that apply. - CORRECT ANSWER sunlight
oxygen
stones
Which are examples of biotic factors? Check all that apply. - CORRECT ANSWER rotting log
dead leaves
bacteria
Which describes a similarity between abiotic and biotic factors? - CORRECT ANSWER They are both
necessary for organisms to survive.
, Which statement describes the habitat of polar bears? - CORRECT ANSWER Polar bears live in the Arctic,
where it is cold and icy.
Which best compares habitat and niche? - CORRECT ANSWER Habitat is a place in which organisms live,
and niche is the way in which an organism fits into its habitat.
Populations - CORRECT ANSWER ...
Which scenario would result in a decrease in population size, or a negative population growth?
Use this formula:
population growth = (birth rate + immigration) - (death rate + emigration) - CORRECT ANSWER 40
individuals emigrate, 0 individuals die, 10 individuals are born, 28 individuals immigrate
In contrast to most animals, which resource do plants typically compete for? - CORRECT ANSWER
sunlight
A population of ducks lives at a small pond that is slowly drying up. Which statement describes what will
most likely happen over time? - CORRECT ANSWER Ducks will emigrate from the population.
One breezy spring, many rabbits are born in a forest. During the warm summer, several wolves move to
the forest and many plant-eating birds fly away.
Which is a limiting factor that would most likely decrease the rabbit population? - CORRECT ANSWER
wolves moving to the area
During one year a population of blue jays has zero population growth. Which must be true about the
blue jay population at the end of the year compared to the beginning of the year? - CORRECT ANSWER It
will have the same number of individuals in it.
_____ is the maximum population that a given area can support. - CORRECT ANSWER Carrying Capacity
Answers.
Living Things and the Environment - CORRECT ANSWER ...
The picture shows an interaction within an environment.
Which describes the interaction? - CORRECT ANSWER The tree is biotic and is interacting with an abiotic
factor.
Which could be classified as part of an ecosystem but not part of a community? - CORRECT ANSWER
minerals
A group of organisms of the same species that live in an area is called a(n) _______. - CORRECT ANSWER
population
A ____ is an environment in which an organism's needs are met. - CORRECT ANSWER habitat
Which best describes an organism's niche? - CORRECT ANSWER role
Which are examples of abiotic factors? Check all that apply. - CORRECT ANSWER sunlight
oxygen
stones
Which are examples of biotic factors? Check all that apply. - CORRECT ANSWER rotting log
dead leaves
bacteria
Which describes a similarity between abiotic and biotic factors? - CORRECT ANSWER They are both
necessary for organisms to survive.
, Which statement describes the habitat of polar bears? - CORRECT ANSWER Polar bears live in the Arctic,
where it is cold and icy.
Which best compares habitat and niche? - CORRECT ANSWER Habitat is a place in which organisms live,
and niche is the way in which an organism fits into its habitat.
Populations - CORRECT ANSWER ...
Which scenario would result in a decrease in population size, or a negative population growth?
Use this formula:
population growth = (birth rate + immigration) - (death rate + emigration) - CORRECT ANSWER 40
individuals emigrate, 0 individuals die, 10 individuals are born, 28 individuals immigrate
In contrast to most animals, which resource do plants typically compete for? - CORRECT ANSWER
sunlight
A population of ducks lives at a small pond that is slowly drying up. Which statement describes what will
most likely happen over time? - CORRECT ANSWER Ducks will emigrate from the population.
One breezy spring, many rabbits are born in a forest. During the warm summer, several wolves move to
the forest and many plant-eating birds fly away.
Which is a limiting factor that would most likely decrease the rabbit population? - CORRECT ANSWER
wolves moving to the area
During one year a population of blue jays has zero population growth. Which must be true about the
blue jay population at the end of the year compared to the beginning of the year? - CORRECT ANSWER It
will have the same number of individuals in it.
_____ is the maximum population that a given area can support. - CORRECT ANSWER Carrying Capacity
