Populations And Resources Test Question Preview (ID: 61740)


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when something stays mostly the same over time
a) increasing
b) decreasing
c) stability
d) agility

a molecule that organisms can use to release the energy they need to survive
a) carbon dioxide molecule
b) water molecule
c) oxygen molecule
d) energy storage molecule

a population that eats organisms from another population
a) resource population
b) consumer population
c) city population
d) reigning population

a model that shows what eats what in an ecosystem
a) ecosystem
b) stability
c) food web
d) consumer population

a population that is eaten by organisms from another population
a) resource population
b) consumer population
c) city population
d) reigning population

the process of creating offspring
a) resignation
b) photosynthesis
c) reproduction
d) condensation

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) spider web
b) food web
c) sticky web
d) world wide web

Two populations can compete for the same _________________ population. A change to one of these populations affects the size of the other.
a) producer
b) consumer
c) resource
d) who knows

The larger the resource population, the more energy storage molecules are available for its _________________ populations.
a) producer
b) consumer
c) resource
d) who knows

The more energy storage molecules available to a population, the more the organisms in that population can
a) sleep
b) sunbathe
c) reproduce
d) decrease

If there are fewer births than deaths, then the size of the population will
a) decrease
b) increase
c) who knows
d) be stable

If there are more births than deaths in a given time, then the size of the population will
a) decrease
b) increase
c) who knows
d) be stable

If the number of births and deaths in a given time are equal, then the population size will be
a) decrease
b) increase
c) who knows
d) be stable

Within a population _________________ are always being born and dying.
a) food webs
b) consumers
c) organisms
d) producers

a group of the same type of organism living in the same area
a) producer
b) population
c) consumer
d) predator

all the living and nonliving things interacting in a particular area
a) ecosystem
b) population
c) consumers
d) producers

The arrows in a food chain and food web point __________the animal that is being eaten
a) toward
b) away from
c) around
d) near

What does a bird need energy for?
a) eating
b) reproducing
c) exercising
d) all of these

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