WorksheetsLiving Things
Total questions: 26
Worksheet time: 13mins
Name
Class
Date
1.
The same organisms living in the same environment.
a)
niche
b)
individual
c)
population
d)
habitat
2.
A single organism in an environment.
a)
niche
b)
individual
c)
community
d)
habitat
3.
All the populations of organisms living together.
a)
niche
b)
individual
c)
community
d)
population
4.
Every population in a certain part of the ecosystem.
a)
niche
b)
individual
c)
habitat
d)
community
5.
Each population has a certain role or ______.
a)
niche
b)
individual
c)
community
d)
habitat
6.
All life in an ecosystem depends on ____.
a)
producers
b)
food chain
c)
energy pyramid
d)
food web
7.
All organisms in an ecosystem community must eat to get energy they need.
a)
producer
b)
consumer
c)
food chain
d)
food web
8.
Mushrooms and bacteria break down the tissues of dead organisms.
a)
producer
b)
consumer
c)
decomposers
d)
energy pyramid
9.
____ shows the relationship between many food chains.
a)
food chain
b)
energy pyramid
c)
food web
d)
producers
10.
This shows the amount of energy passed from one level of the food chain to the next.
a)
food chain
b)
energy pyramid
c)
food web
d)
producers
11.
If there is an ecosystem with not enough resources for all the organisms living in it, what might occur?
a)
Symbiosis
b)
Competition
c)
learned behavior
d)
instinct
12.
_____ is a relationship between different kinds of organisms who share resources.
a)
competition
b)
learned behavior
c)
instinct
d)
symbiosis
13.
What is an inherited behavior called?
a)
learned behavior
b)
extinct
c)
instinct
d)
exotic
14.
What is a behavior developed over time called?
a)
learned behavior
b)
extinct
c)
exotic
d)
instinct
15.
_____ is a population that begins to decline.
a)
extinct
b)
competition
c)
endangered
d)
threatened
16.
_____ is a population that is likely to die out unless steps are taken to save it.
a)
threatened
b)
extinct
c)
exotic
d)
endangered
17.
_____, or nonnative, plants or animals being brought into the community could result in the decline of a population.
a)
extinct
b)
exotic
c)
threatened
d)
symbiosis
18.
A population is _____ when the last individual in that population dies.
a)
extinct
b)
threatened
c)
instinct
d)
learned behavior
19.
Populations of living things are _____ if they live in a healthy ecosystem.
a)
enemies
b)
large
c)
independent
d)
interdependent
20.
What determines the types and number of animals in an ecosystem?
a)
types and numbers of individuals
b)
population density
c)
types and numbers of plants
d)
types and number of communities
21.
Producers in a community _____.
a)
make their own food
b)
eat other organisms
c)
hunt for prey
d)
decompose organisms
22.
In the food chain, each level of consumers eats from what level of organisms?
a)
from the level above it
b)
from the level below it
c)
in the same niche
d)
in the same population
23.
About ___ percentage of energy at any level of a food chain is passed on to the next highest level.
a)
10
b)
90
c)
40
d)
it depends on the community or population
24.
Organisms with different _____ can share the same resources.
a)
populations
b)
communities
c)
ecosystems
d)
niches
25.
The relationship between a fish that picks food from between a shark's teeth is known as what?
a)
independence
b)
mutualism
c)
competition
d)
camouflage
26.
_____ behaviors are usually for building shelters, finding mates, and hunting.
a)
instinctive
b)
symbiotic
c)
learned
d)
competitive
100 %
