WorksheetsEcology
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
Ecology is the study of
a)
interactions among organisms and their environments.
b)
only abiotic factors within an environment
c)
only biotic factors within an environment
d)
Option 4
2.
The biosphere all the portion of the earth that supports _______________.
a)
the atmosphere.
b)
the animals on land.
c)
life.
3.
Which of the following is not an abiotic factor within an environment?
a)
humidity
b)
temperature
c)
sun
d)
plants
4.
Which of the following is not a biotic factor within an environment.
a)
plants
b)
animals
c)
fungi
d)
moon
5.
Which of the following is the correct order from smallest to largest forms of an environment.
a)
organism - populations - biomes - communities - ecosystems - biosphere
b)
organism - populations - communities - ecosystems - biomes - biosphere
c)
biosphere- organism - populations - biomes - communities - ecosystems -
6.
A population of deer are organisms of the same species that can breed together, while communities are various _____________ interacting in the same environment.
a)
ecosystems
b)
communities
c)
populations
7.
Every organism has a niche which is.....
a)
the role of each organisms within an environment.
b)
a place in which organisms live.
c)
various groups of organisms.
8.
Organisms live with each other or _______________ within an ecosystem. This is where they have relationships, good or bad, with each other.
a)
symbiotically
b)
parasitism
c)
mutualism
9.
Which of the following is an example of a mutualistic relationship.
a)
A tick on the back of a dog
b)
A bird using grasslands as protection from predators. The grass does not get any benefits from this relationship.
c)
A bee pollinates a flower while it gets nectar from the flower.
10.
When polar bears are fighting each other for dens to sleep in, this is an example of ________________.
a)
predator/prey relationship
b)
mutualism
c)
competition
11.
Heart worms are bad for dogs because they can multiply to quickly and cause the dog to die. This is an example of what symbiotic relationship?
a)
parasitism
b)
mutualism
c)
commensalism
12.
On a food chain, the first organism listed is usually an autotroph, which is also called a_______________.
a)
consumer
b)
2nd level consumer
c)
producer
13.
The arrows in a food chain mean the animal the arrow is point to is.....
a)
getting eaten by the organism on the other side of the arrow.
b)
eating the organism on the other side of the arrow.
c)
all organisms can eat each other and this is not a food chain.
14.
Herbivores eat _____________ while carnivores eat______________.
a)
meat ; plants
b)
both plants and animals ; meat
c)
plants ; meat
15.
Decomposers are necessary because they....
a)
break down dead organisms.
b)
eat bad bacteria within the environment.
c)
are fungi and they would be great additions to a party :)
16.
Using the food web below, which of the following organisms is considered a herbivore?
a)
Goat
b)
Mouse
c)
Rabbit
d)
all of these are herbivores
17.
Which of the following explanations is why a food web is a better representation of an ecosystem versus a food chain.
a)
Food chains represent a larger range of predator/prey relationships within an ecosystem versus a food web.
b)
Food webs have more interactions between all levels of organisms which is a better representation of an ecosystem because ecosystems have a wide variety of organisms in the environment.
c)
Food chains and food webs both show an accurate representation of an entire ecosystem and the interactions between organisms.
18.
Which of the following is an example of commensalism?
a)
A remora fish attaching to a shark for transportation without harming it.
b)
A lion hunting a zebra for food.
c)
A bee pollinating a flower while collecting nectar.
19.
Example of a decomposer
a)
fungus
b)
mouse
c)
plants
d)
frogs
20.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
21.
Which is the smallest level of an ecosystem?
a)
organsism
b)
population
c)
community
d)
ecosystem
100 %
