WorksheetsEcosystems
Total questions: 10
Worksheet time: 5mins
Which of the following is NOT an ecosystem
vacant lot
oak forest
coral reef
utility pole
The energy in most ecosystems comes from
green plants
the sun
wind
all of the above
The organisms most likely to belong to the same species are
people at a football game
bacteria inside a person's body
birds in a forest
organisms
Which of the following is an abiotic factor in an ecosystem
plants
bacteria
fungi
water
A desert ecosystem contains
air
living things
sand
all of the above
The process of two species changing genetically in response to long-term interactions with each other is
artificial selection
coevolution
selective breeding
resistance
In order for evolution to occur in a population, individuals with a trait that is "naturally selected for" must
live for a long time
leave the area
reproduce
coevolve
Humans have inadvertently promoted the evolution of insects that are resistant to insecticides by
trying to control pests with chemicals
using insecticides that are outdated
using the wrong insecticide
all of the above
Which of the following describes soil and temperature in an ecosystem?
abiotic factors
biotic factors
unnecessary factors
selection factors
One way that bacteria and fungi are important to the environment is that they
produce oxygen
use the sun's energy to make their own food
are a major food source in many ecosystems
break down dead organisms
