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q2 science4

Total questions: 40

Worksheet time: 32mins

Name
Class
Date
1.

Another word for a plant that makes its own food using energy from sunlight…

a)

photosynthesis

b)

producer

c)

heterotroph

d)

carnivore

e)

herbivore

2.

Where does the energy start for all living things & in this food chain?

a)

Plant

b)

Sun

c)

Deer

d)

Wolf

3.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
4.

What is the definition of - Herbivore

a)

An organism that obtains energy by eating both plants and animals

b)

The rate at which organic matter is created by producers in an ecosystem

c)

An organism that obtains energy by eating only plants

d)

An organism that obtains energy by eating only animals

5.

What is the definition of - Carnivore

a)

An organism that obtains energy by eating both plants and animals

b)

An organism that feeds on plant and animal remains and other dead matter

c)

An organism that obtains energy by eating only plants

d)

An organism that obtains energy by eating only animals

6.

What is the definition of - Omnivore

a)

An organism that obtains energy by eating both plants and animals

b)

An organism that feeds on plant and animal remains and other dead matter

c)

An organism that obtains energy by eating only plants

d)

Series of steps in an ecosystem in which organisms transfer energy by eating and being eaten.

7.

What is the definition of - Decomposer

a)

An organism that obtains energy by eating both plants and animals

b)

An organism that obtains energy by eating only plants

c)

An organism that breaks down the remains of dead organisms and returns the nutrients back into the soil

d)

Series of steps in an ecosystem in which organisms transfer energy by eating and being eaten.

8.
Is the SUN  biotic or abiotic 
a)
Abiotic 
b)
Biotic 
9.
Organisms that relies on other organisms for food; consumer
a)
herbivore
b)
decomposer
c)
heterotroph
d)
species
10.

What do fungi, mushrooms & bacteria do to dead plants and animals?

a)

Leave them there

b)

Decompose them

c)

Wait for other animals to eat them

d)

Move away

11.

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.

12.
This is known as a relationship in which both organisms involved benefit. 
a)
Predator-Prey
b)
Commensalism
c)
Mutualism
d)
Decomposition
13.
A relationship between two organisms where one benefits while the other is harmed is known as what?
a)
Decomposition
b)
Consummerism
c)
Mutualism
d)
Parasitism
14.
A relationship that describe a close interaction between two different species is known as what?
a)
Biodiversity
b)
Symbiosis
c)
Predation
d)
Emigration
15.
What is the correct order of the ecological levels of organization? 
a)
population, community, organism, ecosystem, biome, biosphere
b)
organism, population, community, ecosystem, biome, biosphere
c)
biosphere, bioime, ecosystem, community, population, organism
d)
organism, community, population, ecosystem, biome, biosphere
16.

What is a scavenger?

a)

A consumer that eats dead animals that have already been killed by other animals; does not recycle nutrients

b)

A carnivore that eats what it kills

c)

Eats plants and meat

d)

Eats plants only

17.

Which is an example of a scavenger?

a)

Mushroom

b)

Fungi

c)

Vulture

d)

Pelican

18.

Lions typical fight to death for territory, mates, and food sources. Lions are most likely fighting due to:

a)

Commensalism

b)

Mutualism

c)

Competition

d)

Parasitism

19.

A feeding relationship where one organism hunts and one is hunted, such as a Lynx hunting a snowshoe hare, is known as:

a)

Commensalism

b)

Decomposistion

c)

Mutualism

d)

Predator-Prey

20.
When predator numbers decrease, prey numbers ____________ because fewer of them are being consumed.
a)
decrease
b)
increase
c)
stay the same
d)
divide in half
21.
The combined biotic and abiotic factors found in the area where an organism lives. It is the structure of ecosystem.
a)
habitat
b)
exploitation
c)
endoparasite
d)
ectoparasite
22.
A principle that states two species competing for the same limited resource cannot coexist at constant population values.
a)
competitive exclusion
b)
commensalism
c)
symbiosis
d)
parasitism
23.
A type of symbiosis in which each species gets a benefit from the interactions.
a)
mutualism
b)
invasive species
c)
intraspecific competition
d)
interspecific competition
24.
A type of symbiosis in which one organism benefits by harming another organism.
a)
parasitism
b)
mutualism
c)
invasive species
d)
intraspecific competition
25.
An ecological relationship between members of at least two different species that live in direct contact with one another.
a)
symbiosis
b)
parasitism
c)
mutualism
d)
invasive species
26.

Bees and flower is what type of interaction?

a)

Mutualism

b)

Competition

c)

Predation

d)

Parasitism

27.

Ticks on a dog’s body interaction is an example of _________.

a)

Predation

b)

Parasitism

c)

Mutualism

d)

Competition

28.

Too many fishes in aquarium would mean an interaction that is __________________.

a)

Predation

b)

Commensalism

c)

Parasitism

d)

Competition

29.

Lion eating a deer is what interaction?

a)

Commensalism

b)

Competition

c)

Mutualism

d)

Predation

30.

Ferns on a branch of tree is an example of what interaction?

a)

Mutualism

b)

Commensalism

c)

Competition

d)

Predation

31.

Among the choices which interaction is beneficial?

a)

bees and flowers

b)

mosquito and man

c)

ticks on a dog's body

d)

grasshopper and plants

32.

Which among the interaction is harmful?

a)

Orchids benefitting from the tree

b)

Egret benefiting from the Buffalo

c)

Jackal benefitting from the tiger

d)

Ascaris inside the host

33.

In the predation interaction, what organism benefits?

a)

Prey

b)

Predator

c)

Host

d)

Parasite

34.

Parasitism is the interaction of __________ and _________.

a)

Parasite and Host

b)

Predator and Prey

c)

Predator and Host

d)

Parasite and Predator

35.

What happened to the number of Phyton when the number of Chicken decreased?

a)

The number of Phyton (Predator) decreased due to the decrease of Chicken(Prey) as their food showing a direct interaction or effect.

b)

The number of Phyton (Predator) increased due to the decrease of Chicken(Prey) as their food showing a direct interaction or effect.

c)

The number of Phyton (Predator) remained the same due to the decrease of Chicken(Prey) as their food showing a direct interaction or effect.

36.
 Hermit crabs live in shells made and then abandoned by snails. This relationship neither helps nor harms the snails.
a)
parasitism
b)
commensalism
c)
mutualism
37.
An interaction among species where one organism hunts, kills, and eats another organism.
a)
Predation
b)
Cooperation
c)
Mutualism
d)
Parasitism
38.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
39.

What is the definition of - Decomposer

a)

An organism that obtains energy by eating both plants and animals

b)

An organism that obtains energy by eating only plants

c)

An organism that breaks down the remains of dead organisms and returns the nutrients back into the soil

d)

Series of steps in an ecosystem in which organisms transfer energy by eating and being eaten.

40.

_____ consist of all the biotic and abiotic things in an area

a)

Biosphere

b)

Ecosystem

c)

Community

d)

Population