WorksheetsEcosystems and Symbiosis
Total questions: 21
Worksheet time: 11mins
Which of the following might be found in a freshwater ecosystem?
Interactions among fish
Rocks and shells
Water-dwelling bacteria
All the other
A habitat is:
Where a species lives
Resources in an ecosystem
Interactions between species
Nonliving things
The relationships a population has with others in its community are:
Always harmful
Neither harmful nor beneficial
Sometimes harmful and sometimes beneficial
Always beneficial
Consumers get their energy:
Directly from sunlight
From eating other organisms
By breathing
All of the others
Matter cycles around:
individuals
populations
ecosystems
producers
Cars, planes, and factories affect the carbon cycle by:
Releasing more carbon than ecosystems can absorb..
Heating up their surroundings.
Producing energy.
Absorbing carbon from the ecosystems around them
What organisms trap carbon in their bodies when producing their food?
Cows
Elephants
Whales
Trees
What level of organization contains all living organisms of the same species?
Individual
Population
Community
Habitat
What level of organization contains all living organisms of different species?
Individual
Population
Community
Habitat
What level of organization contains only one organism of a species?
Individual
Community
Population
Habitat
What might happen if we didn't have bacteria living in our intestines?
We might not be able to digest certain kinds of food.
We might not be able to go to the bathroom.
We might get sick less often.
Viruses and parasites might be able to invade our digestive systems.
How is commensalism different from mutualism?
In commensalism, neither species is harmed. In mutualism, one species is harmed.
In commensalism, one species is harmed while the other benefits. In mutualism, both species benefit.
In commensalism, one species benefits while the other is unharmed. In mutualism, both species benefit.
In commensalism, both species benefit. In mutualism, one species is harmed.
Which of the following is an example of a parasite?
A mosquito
A tapeworm in your intestines
An Egyptian plover
The bacteria that live in human intestines
A shark travels through the ocean surrounded by remora fish. Remora eat the scraps from the shark while the shark is unaffected. What type of relationship is it?
Mutualism
Herbivory
Commensalism
Parasitism
When a honeybee pollinates flowers, the bee gets access to nectar, while the flowers gain the chance to reproduce. This is an example of:
Mutualism
Commensalism
Parasitism
Amensalism
A hummingbird passes through several flowers getting nectar and pollen to eat. The flowers get pollinated. What type of relationship is it?
Commensalism
Herbivory
Parasitism
Mutualism
A wasp inserts her eggs into another insect. The eggs hatch and start feeding from the internal organs. The bug gets eaten alive. What type of relationship is it?
Parasitism
Mutualism
Herbivory
Commensalism
A cat sleeps in the living room of a house. An ant passes next to the cat looking for some food to take back to its colony. What type of relationship is it?
Mutualism
Herbivory
Amensalism
Parasitism
Clownfish live inside sea anemones. They eat creatures that harm anemones, while anemones protect clownfish from predators. This is an example of:
Mutualism
Commensalism
Parasitism
Amensalism
Mistletoe is a plant that grows in the branches of other plants. It grows by taking nutrients and water from these plants. This is an example of:
Amensalism
Mutualism
Commensalism
Parasitism
What can you infer about parasites?
Most of them cannot survive without a host organism.
They only affect mammals.
They are extremely small.
They are evil.
