Organism Interactions, Population Ecology 5.1, 5.2, and 6.1 HBIO

1.

Multiple Choice

30 sec

1 pt

Which of the following would cause an increase in population of species?

immigration

mortality

emigration

competition

2.

Multiple Choice

30 sec

1 pt

Carrying capacity of a population is most likely caused by which of factor?

density independent factors

weather

density dependent factors

pollution

3.

Multiple Choice

30 sec

1 pt

In a 1 acre plot of land there are 200 dandelions, 2 barn owls, 1 lynx, 5 hares and 150 voles. Which has the highest population density?

lynx

voles

barn owls

hares

4.

Multiple Choice

30 sec

1 pt

The pattern in which a population is spread out is known as _________.

density

natality

survivorship

dispersion

5.

Multiple Choice

30 sec

1 pt

The carrying capacity is most likely to change

if emigration takes place

when resources remain the same

for all species at the same time

after a fire or flood

6.

Multiple Choice

30 sec

1 pt

Disease may spread more rapidly when an area is crowded, so disease is considered to be a

type 1 survivorship curve

population crasher

density dependent limiting factor

requirement for logistic growth

7.

Multiple Choice

30 sec

1 pt

Which type of organism would be most likely to have a type 2 survivorship curve?

one that protects and cares for its young

one that preys on small mammals

one that is preyed upon throughout life

one that has high birth and infant mortality rates

8.

Multiple Choice

30 sec

1 pt

What is an advantage of clumped dispersion?

protection

intraspecific competition

less social interactions

spread of disease is quicker

9.

Multiple Choice

30 sec

1 pt

'Athlete's foot' fungus decomposes living tissue and causes your toes to itch and burn. This is an example of ____.

parasitism

predation

mutualism

commensalism

10.

Multiple Choice

30 sec

1 pt

A squirrel lives in an oak tree. The squirrel is provided food and shelter while the tree is not harmed. This is an example of ___.

commensalism

parasitism

predation

mutualism

11.

Multiple Choice

30 sec

1 pt

What letter is showing the carrying capacity?

A

B

C

12.

Multiple Choice

30 sec

1 pt

According to the competitive exclusion principle, two species cannot continue to occupy the same ____.

habitat

niche

territory

biome

13.

Multiple Choice

30 sec

1 pt

What type of interaction is being displayed in the graph?

competition

amensalism

commensalism

parasitism

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