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Taxonomy & Ecology

Total questions: 55

Worksheet time: 28mins

Name
Class
Date
1.

Which of the following group would represent prokaryotes living in extreme environments?

a)

Bacteria

b)

Archaea

c)

Eukarya

d)

Protista

2.

Which of the following groups would represent a multicellular, non-motile autotroph?

a)

Fungi

b)

Plantae

c)

Animalia

d)

Eubacteria

3.

Which of the following groups would represent organisms that are eukaryotic and mostly multicellular?

a)

Archaea

b)

Bacteria

c)

Eukarya

d)

None of the above

4.

Which of the following groups would represent organisms that are prokaryotic, unicellular and involved in decomposition or disease?

a)

Archaebacteria

b)

Eukarya

c)

Protista

d)

Eubacteria

5.

Which of the following groups would represent organisms that are multicellular, motile heterotrophs?

a)

Protista

b)

Plantae

c)

Animalia

d)

Bacteria

6.

Which of the following groups would represent organisms that are multicellular, NON-motile heterotrophs?

a)

Protista

b)

Fungi

c)

Plantae

d)

Animalia

7.

The orderly arrangement of organisms into groups is called __.

a)

systemic grouping

b)

cladograms

c)

hierarchy

d)

classification

8.

___ is the branch of science involved in describing, naming, and classifying organisms.

a)

classification

b)

taxonomy

c)

cladistics

d)

hierarchy

9.

____ show evolutionary relationships among organisms.

a)

pyramids

b)

dichotomous keys

c)

cladograms

d)

food chains

10.

___ are often used as field guides to identify organisms; they consist of two differing statements per set.

a)

linkage maps

b)

taxon groups

c)

cladograms

d)

dichotomous keys

11.

This type of succession begins with bare rock and has no soil.

a)

primary

b)

secondary

12.

This type of succession happens after a severe disturbance (by nature or by man).

a)

primary

b)

secondary

13.

These are the first organisms in a developing ecosystem.

a)

heterotrophs

b)

autotrophs

c)

keystone species

d)

pioneer species

14.

This type of community contains the largest diversity of organisms.

a)

Climax community

b)

Intermediate community

c)

Pioneer community

d)

Ecosystems

15.

This is the physical and biological conditions in which an organism lives and the way in which the organism uses those conditions.

a)

habitat

b)

niche

c)

ecosystem

d)

adaptations

16.

The collection of organisms of one species living in one location at the same time is __.

a)

species

b)

ecosystem

c)

community

d)

population

17.

The maximum number of organisms that an ecosystem can support is represented by ___.

a)

carrying capacity

b)

niche

c)

competition

d)

food web

18.

These organisms utilize the sun's energy to produce glucose.

a)

population

b)

species

c)

autotrophs

d)

heterotrophs

19.

Another term for autotroph is __.

a)

producer

b)

consumer

c)

bacteria

d)

heterotroph

20.

An organism that must ingest (eat) its food in order to gain energy is called __.

a)

autotroph

b)

heterotroph

c)

producer

d)

parasite

21.

Another name for heterotroph is __.

a)

producer

b)

consumer

c)

autotroph

d)

plant

22.

A caterpillar eats a plant. The caterpillar is eaten by a bird, who is eaten by a hawk. This is an example of __.

a)

niche

b)

carrying capacity

c)

food web

d)

food chain

23.

A complex visual showing the network of several organisms and the possibilities of who eats what (or gets eaten by what) is called __.

a)

food chain

b)

carrying capacity

c)

food web

d)

cladogram

24.

An organisms position in a food chain is referred to as its __.

a)

trophic level

b)

niche

c)

position

d)

ecological role

25.

Symbiotic relationship where one organism benefits and the other is not helped nor harmed is called __.

a)

parasitism

b)

competition

c)

mutualism

d)

commensalism

26.

The symbiotic relationship where both organisms benefit is called __.

a)

predation

b)

competition

c)

commensalism

d)

mutualism

27.

The symbiotic relationship where one organism uses another as a food source, harming but not killing that organism is called __.

a)

parasitism

b)

predation

c)

commensalism

d)

mutualism

28.

If in an energy pyramid, the producers contain 1000 Calories. How many calories would be available to the secondary consumers?

a)

1000 Cal

b)

100 Cal

c)

10 Cal

d)

1 Cal

29.

What type of graph represents a population growth maintained at carrying capacity?

a)

J curve

b)

exponential curve

c)

logistical curve

d)

Z curve

30.

Bacteria living on plant roots benefit the plant by doing what?

a)

phosphorous fixation

b)

aerobic respiration

c)

nitrogen fixation

d)

cellular respiration

31.

How does deforestation affect the carbon cycle?

a)

decreases CO2 in the atmosphere

b)

increase CO2 in the atmosphere

c)

decreases CO2 in the oceans

d)

increase decomposition of carbon

32.

Tigers are territorial. You would expect them to represent what type of population dispersion?

a)

clumped

b)

uniform

c)

random

d)

there would be no pattern

33.

The reason only 10% of energy moves to the next trophic level is because organisms use energy for life processes or lose it as ___ to the environment.

a)

potential energy

b)

sound

c)

light

d)

heat

34.

Pantera tigris and Panthera leo would NOT belong to the same

a)

class

b)

family

c)

genus

d)

species

35.

What taxonomic ranking falls right below domain?

a)

family

b)

order

c)

phylum

d)

kingdom

36.

The three domains include

a)

archaea, bacteria, eukarya

b)

bacteria, eukarya, animalia

c)

prokarya, eukarya, protista

d)

bacteria, archaea, animalia

37.

Scientific names are made up of __.

a)

phylum and species

b)

family and species

c)

genus and family

d)

genus and species

38.

___ is considered to be the Father of Taxonomy.

a)

Mendel

b)

Darwin

c)

Linneaus

d)

Lamarck

39.

Mosses and lichens are examples of __.

a)

habitats

b)

pioneer species

c)

commensalism

d)

parasites

40.

The main difference between primary and secondary succession is that primary has __.

a)

only rock

b)

soil but no nutrients

c)

rock and soil

d)

small plants only

41.

Populations can be described by all of the following except

a)

size

b)

shape

c)

dispersion

d)

density

42.

What percentage of energy moves to the next trophic level?

a)

50%

b)

90%

c)

25%

d)

10%

43.

Which of the following is most general?

a)

Family

b)

Oder

c)

Phylum

d)

Class

44.

Linnaeus based his classification of organisms on their

a)

DNA similarities

b)

behaviors

c)

physical and structural similarities

d)

method of reproduction

45.

How do autotrophs obtain energy?

a)

heterotrophs

b)

sun

c)

cellular respiration

d)

water

46.

Nutrients are recycled through what process?

a)

assimilation

b)

nitrification

c)

decomposition

d)

ammonification

47.

What is a tree's role in the carbon cycle?

a)

release CO2 into the air after photosynthesis

b)

absorb CO2 from the air and use in photosynthesis

c)

absorb CO2 from the ground

d)

they have no role in the carbon cycle

48.

Why is a scientific name important?

a)

To have a universally accepted and recognized name.

b)

Because common names can cause confusion.

c)

Easier to know what organism someone is talking about.

d)

All of the above.

49.

Which of the following statements about biodiversity and succession is correct?

a)

Biodiversity is only seen in stable communities.

b)

Biodiversity does not change as succession proceeds.

c)

Biodiversity is greatest in the pioneer community.

d)

Biodiversity is greatest in the climax community.

50.

Food chain: grass --> grasshopper --> frog --> snake --> owl.

What trophic level is the frog?

a)

First

b)

Second

c)

Third

d)

Fourth

51.

Which group contains all the others?

a)

fox

b)

anteater

c)

bacteria

d)

consumer

52.

Predict how an invasive species would impact an ecosystem.

a)

decrease native species due to commensalism

b)

decrease native species due to competition

c)

increase native species due to mutualism

d)

there will be no effect

53.

If data for a population shows a J-shaped curve, which of the following is true?

a)

there are many predators

b)

it is at carrying capacity

c)

there are many resources readily available

d)

the adaptations do not match the environment

54.

If a scientist is studying an ecosystem, which topic would be the best choice?

a)

soil composition and nutrient density

b)

how biotic and abiotic factors interact

c)

temperature changes over time

d)

inherited traits

55.

A benefit to predation is __.

a)

inferior species become extinct.

b)

biotic factors are maintained

c)

natural disasters do not affect the ecosystem.

d)

population sizes are controlled.