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Ecology Retrieval Practice

Total questions: 71

Worksheet time: 2hrs 31mins

Name
Class
Date
1.
Members of a species in a defined area
a)
Ecosystem
b)
community
c)
biodiversity
d)
population
2.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
3.
All the organisms in a particular location, including their nonliving environment
a)
ecosystem
b)
carnivore
c)
niche
d)
population
4.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
5.
Green plants are
a)
producers
b)
consumers
c)
herbivores
d)
omnivores
6.
Study of interactions between organisms and their environment 
a)
niche
b)
community 
c)
ecology
d)
ecosystem
7.
Where an organism lives
a)
habitat
b)
niche 
c)
heterotrogh
d)
biosphere
8.
Non-living factor that affects an ecosystem
a)
biotic factor
b)
abiotic factor
c)
food chain 
d)
biome
9.
An individual belonging to a specific species
a)
Biotic
b)
Community
c)
Organism
d)
Reptile
10.
All of the living and nonliving things in an area that interact with each other are called a/an ______.
a)
community
b)
habitat
c)
population
d)
ecosystem
11.
The living part of an ecosystem
a)
Biotic
b)
Abiotic
c)
Mother Earth
d)
Flowers
12.
Organisms that look similar and can produce fertile offspring
a)
Species
b)
Fish
c)
Community
d)
Trees
13.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
14.
The organism that is hunted and eaten in a particular feeding relationship is known as:
a)
Predator
b)
Decomposer
c)
Prey
d)
Autotroph
15.
What is a biotic factor?
a)
A nonliving thing that influences or affects an ecosystem
b)
Anything living or nonliving in an ecosystem
c)
A living thing that influences or affects an ecosystem
d)
A chemical compound in an ecosystem
16.
A frog eats a fly. The frog and fly are demonstrating ________.
a)
mutualism
b)
competition
c)
predator/prey
d)
parasitism
17.

Hawks and owls eat the same type of food and struggle with one another to get their food. What is this an example of?

a)

Competition

b)

Biotic factor

c)

Symbiosis

d)

Population

18.
Animals of the same species would most likely compete over a limited amount of -
a)
minerals
b)
Oxygen
c)
sunlight
d)
mating partners
19.
The characteristics of a certain plant are shown in the diagram above.  Which of these resources is most likely scarce in this environment?
a)
Soil
b)
Water
c)
Carbon Dioxide
d)
Sunlight
20.
The characteristics of a certain plant are listed above.  Which of these resources is most likely scarce in this environment?
a)
Sunlight
b)
Soil
c)
Oxygen
d)
Carbon Dioxide
21.

What is another word for something that is ALIVE or was ONCE LIVING

a)

Biotic

b)

Abiotic

22.

What is another word for something that was NEVER ALIVE?

a)

Biotic

b)

Abiotc

23.

Is this ROCK BIOTIC or ABIOTIC?

a)

Abiotic

b)

Biotic

24.

Is this PLANT BIOTIC or ABIOITC?

a)

Abiotic

b)

Biotic

25.

Is this a DEPENDENT or COMPETITIVE relationshp?

a)

Dependent

b)

Competitive

26.

Is this a DEPENDENT or COMPETITIVE relationshp?

a)

Dependent

b)

Competitive

27.

Is this a DEPENDENT or COMPETITIVE relationshp?

a)

Dependent

b)

Competitive

28.
When a pine tree grows real tall and blocks sunlight to another pine tree it is _______ competition.
a)
Interference
b)
Intraspecific
c)
Interspecific
d)
Exploitative
29.

Which factor promotes competition between organisms in an ecosystem?

a)

cycling of minerals

b)

limited resources

c)

decomposition of organic matter

d)

presence of saprophytes

30.
As the population of prey decreases, the population of the predator which eats it will...
a)
Increase
b)
Decrease
c)
Remain Constant
31.
Creatures that can live in extreme environments are
a)
hooligans
b)
extremists
c)
extremophiles
d)
extremely rare
32.
What is the single component found wherever you find life?
a)
Pasta
b)
Water
c)
Shelter
d)
The Will to Survive
33.
A measure of how acidic a substance is. 
a)
extremophile
b)
pH level 
c)
protein
d)
acid percentage
34.
A microbe that lives in a harsh environment.
a)
extremophile
b)
pH level 
c)
protein
d)
danakil
35.

Where does a thermophile live?

a)

Very hot conditions

b)

Very cold conditions

c)

Very acidic conditions

d)

Very dark conditions

36.

Where does a halophile live?

a)

Very hot conditions

b)

Very salty conditions

c)

Very cold conditions

d)

Very alkaline conditions

37.

Where does a cryophile live?

a)

Very hot conditions

b)

Very salty conditions

c)

Very acidic conditions

d)

Very cold conditions

38.

Where does an acidophile live?

a)

Very hot conditions

b)

Very cold conditions

c)

Very acidic conditions

d)

Very salty conditions

39.

Hawks and owls eat the same type of food and struggle with one another to get their food. What is this an example of?

a)

Competition

b)

Biotic factor

c)

Symbiosis

d)

Population

40.

What type of measurement is it when I take the population of one sample classroom and multiply it by the number of classrooms?

a)

Estimate by Sampling

b)

Count every Individual

c)

Mark and Recapture

d)

Population Density

41.
The part of the population being studied
a)
population
b)
sample
c)
random
42.
oxygen is a gas produced by _ and used by  _ 
a)
plants and animals 
b)
photosynthesis and carbon dioxide 
c)
animals and plants 
d)
carbon dioxide and photosynthesis
43.
All of the carbon in existence is continually recycled in the carbon cycle
a)
True
b)
False
44.
How is the burning of fossil fuels related to global warming?
a)
Magic
b)
Fuels are hot
c)
Greenhouse effect
d)
Photosynthesis
45.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
46.
Which of the following is an example of a decomposer?
a)
Owl
b)
Fish
c)
Tree
d)
Mushroom
47.
Organisms that do not decompose can be buried and become what?
a)
water
b)
nutrients
c)
air
d)
fossil fuels
48.
Which process converts carbon in the form of sugar into carbon dioxide gas?
a)
Bioremediation
b)
Photosynthesis
c)
Respiration
d)
Transpiration
49.

Which gas do plants release, that humans depend on for survival?

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sugar

50.

Plants use ____________ to make their own food

a)

Water

b)

Sunlight

c)

Carbon dioxide

d)

All of these

51.

What is a quadrat?

a)

A type of vehicle

b)

A tool to sample strength

c)

A tool to sample quantity

d)

A type of clothing

52.

Why do scientists use sampling techniques to gather population data rather than counting everything?

a)

scientists are lazy

b)

sampling is more efficient and achievable

c)

sampling is more accurate

d)

scientists prefer estimations

e)

sampling is cheaper

53.

What is a square called that we use to sample populations?

a)

grid

b)

quadrat

c)

cube

d)

tricep

e)

quarter

54.

What type of population would you measure using a quadrat?

a)
b)
c)
d)
55.

Limpets were found in 25 out of 50 quadrats. What percentage of quadrats contained limpets?

a)

100%

b)

25%

c)

50%

d)

75%

56.

Which organism can be measured with a quadrat?

a)

lion

b)

flies

c)

rat

d)

dandelion plants

e)

fish

57.

Which organism can be measured with a quadrat?

a)

deer

b)

butterfly

c)

mouse

d)

snail

e)

fish

58.

Can a quadrat be used on a large land organism that moves around in a herd?

a)

yes - use a quadrat

b)

no - you can't use a quadrat

59.

Can a quadrat be used on a tiny land organism that moves incredibly slowly?

a)

yes - use a quadrat

b)

no - you can't use a quadrat

60.

What is a quadrat used to measure?

a)

length

b)

weight

c)

population size

d)

volume

e)

time

61.
Climate change affects agriculture through changes in _________.
a)
temperature
b)
rainfall
c)
carbon dioxide
d)
all of these
62.
With climate change, growing zones are shifting towards the _________.
a)
poles
b)
equator
c)
southern hemisphere
d)
developing countries
63.
The current world population is between ________ billion.
a)
six and seven
b)
seven and eight
c)
eight and nine
d)
nine and ten
64.
Extreme weather events include _________.
a)
flooding 
b)
droughts
c)
heat waves
d)
all of these
65.
When children experience chronic poor nutrition, it will have _______ implications.
a)
no long-term
b)
cognitive
c)
developmental
d)
cognitive and developmental
66.
Climate change affects __________.
a)
crops
b)
crops & weeds
c)
crops, weeds & pests
d)
crops, weeds, pests & diseases
67.

Which three crops account for most food production in the world?

a)

Wheat, corn and rice

b)

Potato, palm sugar and rice

c)

Wheat, potato and barley

d)

Corn, apples and carrots

68.

Desertification happens mostly because of ...

a)

Clearing of vegetation

b)

Global Warming

c)

Salinity

d)

Erosion

69.

'How much food is produced' relates to

a)

Food availability

b)

Food accessibility

c)

Food safety

d)

Food reliability

70.

'Can people afford food' relates to

a)

Food availability

b)

Food accessibility

c)

Food safety

d)

Food reliability

71.

Food security is best describe as?

a)

More than 50% of the population having access to food

b)

100% of the population having access to food 50% of the time

c)

All people at all times having access to food

d)

food that is stored securely

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