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WorksheetsEcology Interactions
Total questions: 48
Worksheet time: 16mins
Name
Class
Date
1.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
2.
which symbiosis is this
a)
parasitism
b)
mutualism
c)
commensalism
d)
nonalism
3.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
4.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
5.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms.
d)
How carnivores get their food.
6.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
7.
The image provided is an example of a(n):
a)
Producer
b)
Autotroph
c)
Consumer
d)
Insect
8.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
9.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
10.
Water temperature would be an example of ...
a)
A biotic factor
b)
An abiotic factor
11.
A place where an organism lives.
a)
Terrain
b)
Habitat
c)
Community
d)
Population
12.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
13.
Organisms that look similar and can produce fertile offspring
a)
Species
b)
Fish
c)
Community
d)
Trees
14.
The study of how living things interact with one another and with their environment.
a)
Biology
b)
Lithology
c)
Ecology
d)
Farmacology
15.
Green plants are
a)
producers
b)
consumers
c)
herbivores
d)
omnivores
16.
symbiotic relationship in which one organisms benefits and the other organism is not affected
a)
invasive (non-native) species
b)
mutualism
c)
nitrogen fixation
d)
commensalism
17.
Members of a species in a defined area
a)
Ecosystem
b)
community
c)
biodiversity
d)
population
18.
All energy transformations in an ecosystem begin with
a)
a scavenger
b)
the sun
c)
a decomposer
d)
a herbivore
19.
Which of the following is NOT a consumer
a)
grass
b)
dog
c)
shark
d)
fish
20.
A frog eats a fly. The frog and fly are demonstrating ________.
a)
mutualism
b)
competition
c)
predator/prey
d)
parasitism
21.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
22.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
23.
The ecological role an organism performs in their specific environment is considered the organism's...
a)
Habitat
b)
Population
c)
Biome
d)
Niche
24.
Which level of organization is the most complex?
a)
organism
b)
population
c)
community
d)
ecosystem
25.
Multiple organisms of the same species describes a
a)
organism
b)
population
c)
community
d)
ecosystem
26.
What do ecosystems have that the other three levels of organization do not have?
a)
living things
b)
biotic factors
c)
abiotic factors
d)
organisms
27.
A forest full of many kinds of trees and grasses is an example of a
a)
group
b)
organism
c)
population
d)
community
28.
Which is an example of an organism?
a)
a beetle
b)
a lake
c)
a rock
d)
a shell
29.
Which is an example of a population?
a)
different kinds of bacteria
b)
A group of fish and sharks
c)
deer, bear, and rabbits
d)
A herd of cattle
30.
When individuals join a population
a)
Aliens
b)
migration
c)
Immigration
d)
Emigration
31.
When you leave a population
a)
emigration
b)
mitigation
32.
Carrying Capacity is
a)
the capacity of what one person can carry per day
b)
how many animals you have in your daily bag limit at the end of the year
c)
wildebeest at a watering hole with zebras
d)
the maximum number of individuals that the environment can support
33.
What are two ways in which the environment can influence population size?
a)
competition and natural disasters
b)
biomes and ecosystems
34.
How can a populaiton grow?
a)
Emigration and death
b)
Immigration and death
c)
Immigration and birth
d)
Emigration and birth
35.
The movement of a single caribou into a herd is an example of
a)
population
b)
immigration
c)
emigration
d)
predation
36.
What causes competition to occur in an environment?
a)
Good conditions make resources plentiful.
b)
Organisms struggle for a limited resource.
c)
Members of a population have different roles.
d)
A population falls below the environment’s carrying capacity.
37.
A part of the environment that prevents a population from growing to large is a/n______________
a)
abiotic factor
b)
biotic factor
c)
limiting factor
38.
Individuals _____________ when they work together to obtain resources.
a)
cooperate
b)
compete
39.
When a population grows past the ecosystem's carrying capacity, what happens to the population?
a)
Continues to grow
b)
The population starts to die off to return to carrying capcity
c)
The population will go extinct due to lack of resources
d)
The population grows then finds a new carrying capacity
40.
A living organism that puts materials from dead plants and animals back to the soil is called a ____________?
a)
carnivore
b)
decomposer
c)
herbivore
d)
omnivore
41.
An ecosystem is a community of organisms interacting with their physical environment. Why are decomposers an important part of ecosystems?
a)
They break down dead organisms to return nutrients to the soil.
b)
They produce their own food for survival.
c)
They play a role in preventing weathering and erosion.
d)
They provide most of the energy to consumers.
42.
Which is an example of a decomposer?
a)
a hawk
b)
a mouse
c)
a flower
d)
a mushroom
43.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source.
44.
In the food web shown, the snail would be considered...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
45.
Barnacles are animals that cannot move. In order to get food, they attach to whales and catch any floating plankton in the water. The whale is neither helped nor harmed in the interaction. What type of symbiosis is this?
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Neutralism
46.
In the wild, some alligators gets their teeth cleaned by birds. The birds gets their food from the alligators' teeth.
What type of symbiosis is this?
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Neutralism
47.
What is this picture describing?
a)
It is describing natural selection.
b)
It is describing direct competition between flamingos and ducks.
c)
It is describing abiotic factors of the tundra.
d)
It is describing the niche of each bird.
48.
What is a niche?
a)
the place where a species lives
b)
what a species eats
c)
the role of a species
d)
how a species uses resources
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