WorksheetsPopulations (Digital Choice Board)
Total questions: 12
Worksheet time: 8mins
Ecology is the study of the _________________ of organisms with the environment.
number
relationships
journey
types
Abiotic is non-living
Living
biotic
abiotic
An ecologist is a scientist who studies…
The types of rocks and soil in an area.
The interactions between living things and their environments.
The phase changes of different substances.
The life cycles of viruses and their hosts.
An ecosystem is made up of ______ .
living things and their offspring
nonliving things such as rocks and soil
living things and nonliving things
many types of animals
Which picture accurately shows a "population"?
What causes a population size to increase?
The number of births is greater than the number of deaths.
The number of deaths is greater than the number of births.
The number of births and the number of deaths is equal.
What causes a population size to decrease?
The number of births is greater than the number of deaths.
The number of deaths is greater than the number of births.
The number of births and the number of deaths is equal.
If the population size stays stable, does this mean that no organisms have been born or died?
Yes, because if organisms were born or died that would change the number of organisms in the population.
No, because if some organisms are born and the same number of organisms die, then the total population size can stay constant.
Yes, because some organisms never die, so they don't need to reproduce.
No, because all organisms will give birth and then die.
A large population of squirrels lives in a forest. In the last 50 years, the size of the squirrel population has stayed the same. What must be true about the squirrel population during the last 50 years?
No squirrels were born and no squirrels died.
Humans started protecting the squirrel population so they stopped dying.
The squirrels did not have any baby squirrels during these years.
The number of squirrels that were born was the same as the number of squirrels that died.
