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WorksheetsScience Unit 7: Ecology Test
Total questions: 25
Worksheet time: 13mins
What non-living things might you find in an ecosystem?
Mammals, insects, and birds
Plants, fungi, and lichen
Rocks, air, light, and soil
Bacteria and other microbes
Which of the following is an example of an animal adapting to its environment?
A bald eagle that cannot see well
A fish that eats fish food
A deer that drinks water
A desert owl hunting at night to avoid heat
Which of the following is an example of a living thing interacting with a nonliving thing?
A flower that's pollinated by a bee
A plant and a fungus growing together as lichen
A prairie dog that lives beneath the soil
A beaver that cuts down trees with its teeth
What might happen if the earth exceeds its carrying capacity?
There might not be room for people to move around.
There might not be enough food and water for everyone.
The continents might sink into the oceans.
Most of the people on the planet would starve.
Which of the following describes a population?
The total number of people, animals, and plants in New York City
The total number of houses in Atlanta
The total number of people living in the state of Texas
The total number of fish in all the world's oceans
Which of the following would be a good step to take to reduce the waste you produce?
Ask your parents to buy you your own car
Try to reduce your consumption of electricity and fuel
Use only electric appliances in your home
Only buy products with vacuum sealed plastic packaging
Why are solar and wind power considered alternative energy sources?
they are an alternative to non-renewable energy sources like fossil fuels
They are used by people in alternative communities
They use alternating current instead of direct current
You can alternate between using solar power during the day and wind power at night
How can population growth lead to more pollution?
Too many people breathing causes too much carbon dioxide to enter the atmosphere
The body heat generated by billions of people leads to an increase in global warming.
More people being born means more paper is needed to print birth certificates
All people produce waste, so more people equals more waste
What is Homeostasis?
An organism that fights for food among animals
An organism or a system regulates itself to stay balanced.
An organism that lives in water
An organism that helps the ecosystem grow.
True or False: If more individuals are born than die in a given amount of time the population will grow.
True
False
True of False: If the death rate is greater than the birth rate the population will decrease;
True
False
In a mutually beneficial relationship:
Species compete for resources in the environment
One species hunts another for food
Species help one another; each benefits the other in some way
One species benefits while the other is neither helped nor harmed
True or False: Animals are considered competitors if they compete for the same food source.
True
False
Which of the following describes a predatory relationship?
Clownfish hiding in the sea anemone for protection
Hermit crab finding shelter in the shell of a dead triton
Ghost crabs and hermit crabs competing for dead fish
Sharks feeding on smaller fish in the ocean
What is another word for a characteristic that an organism has?
Gene
Survival
Generation
Trait
Fill in the blank: A gene that helps an animal survive and __________ will get passed on to offspring.
Generate
Produce
Reproduce
Thrive
All living things have structures that help them:
Reproduce
Grow
Survive
All of the above
True of False: Plants and Animals can rely on each other for survival.
True
False
When a turtle is being attacked, it tucks its head, arms and limbs into its shell. This behavior is a form of _________ which helps it ____________.
reproduce, communicate
defense, survive
reproduce, grow
fun, eat
Which of the following is not characteristic of primary consumers?
Primary consumers eat plants
Primary consumers eat animals
Primary consumers are low on the food web
Primary consumers eat and get eaten
What organism produces all the energy for the entire ecosystem by capturing energy from the sun?
Primary consumer
Secondary consumer
Decomposer
Producer
What organisms in a food web are essential for an ecosystem to thrive?
Consumers
Producers
Decomposers
All of the above
What cell part is responsible for capturing solar energy for a plant?
Mitochondria
Chloroplast
Nucleus
Cell Membrane
What is the scientific name of the process that the chloroplast does?
Light Synthesis
Energy Respiration
Photosynthesis
Cellular Respiration
What do plants emit as waste?
Water
Glucose
Oxygen
Carbon Dioxide
