WorksheetsEcosystem Review
Total questions: 12
Worksheet time: 24mins
An ecosystem is made of both abiotic and biotic things. Which describes the biotic part of the ecosystem?
plants that grow in the soil
the animals that breathe oxygen
all living things in the environment
the rocks and soil
What is likely to happen to a native species if they are competing with a fast-growing invasive species.
Their numbers will decrease.
Their numbers will stay the same.
Their numbers will increase slightly.
Their numbers will increase greatly.
What is the best way to classify consumers?
by size
by how they move
by the type of food they eat
by the type of food they make
What role do abiotic factors play in an ecosystem?
They control the changes of the seasons.
They prevent competition among populations.
They determine which plants and animals can live there.
They help control the effect humans might have on the ecosystem.
Which of the following has a body structure that will best protect it from an attack by a predator?
A human's skin is most like which part of an oak tree?
acorn
bark
leaf
root
What does it mean for a backyard ecosystem to have low diversity?
The number of insect species is very low.
There are more insect species present in the environment.
The plant species outnumber the insect and other species.
There are only a few different species of plants, animals, and insects.
What part of an environment are a swarm of bees?
ecosystem
community
niche
population
Which of the following is a behavioral adaptation?
migration
long claws
thick skin
sharp spines
What do the thorns on a rose have in common with hooves on a bison?
Both are structures that do not help the organism.
Both are structures that help the organism survive.
Both are behaviors that help the organism protect itself.
Both are structures that help the organism adapt to a dry desert.
Which of the following is an example of an instinct that helps an animal survive?
a skunk sprays a smelly mist for protection
a raccoon learning to cross the road
a dog learning to beg for food
a human riding a bicycle
Which abiotic factor most likely controls where the plants in this environment live?
shade
birds
air
soil
