7.MS-LS2-1 Question Preview (ID: 59624)
7.MS-LS2-1.
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Which statement is correct?
a) The number of frogs in a pond can change drastically from year to year
b) Every year, a pond will always have about the same number of frogs
c) The number of frogs in a pond will decrease every year
d) The number of frogs in a pond will increase every year
What is the word that describes every place on Earth where life exists?
a) Earth's ecosystems
b) the hydrosphere
c) the atmosphere
d) the biosphere
What happens as access to limiting factors decreases?
a) the carrying capacity goes down
b) the carrying capacity goes up
c) the carrying capacity isn't affected
d) Humans figure out a way to improve access
A flock of bluebirds all living in the same area are an example of.....
a) a community
b) an ecosystem
c) a population
d) an organism
Which statement is correct?
a) The carrying capacity determines the limiting factors
b) Limiting factors determine the carrying capacity
c) Limiting factors and carrying capacity are not related to each other
d) The carrying capacity does not change
Which of the following would NOT cause a carrying capacity to go up?
a) a drought
b) more fresh water
c) more food
d) more living space
Which of the following is an example of a community?
a) all the box turtles living in a pond
b) all the fish, frogs, algae, turtle, water and soil in a pond
c) all the fish, frogs, algae and turtles living in every pond across the world
d) all the fish, frogs, algae and turtles living in a pond
Which order is correct, from most basic to most complex?
a) organism - community - population - ecosystem - biosphere
b) biosphere - ecosystem - community - population - organism
c) organism - population - community - ecosystem - biosphere
d) organism - ecosystem - community - population - biosphere
Which of the following is an example of a biotic factor?
a) grass
b) water
c) air
d) soil
What happens when an ecosystem's carrying capacity is reached for a population?
a) the population's numbers begin to increase
b) the population's numbers begin to decrease
c) the population's numbers level out
d) the ecosystem establishes a new carrying capacity
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