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Life Science Review (post-Christmas)

Total questions: 41

Worksheet time: 36mins

Name
Class
Date
1.

What causes competition to occur in an environment?

a)

Good conditions make resources plentiful.

b)

Organisms struggle for a limited resource.

c)

Members of a population have different roles.

d)

A population falls below the environment’s carrying capacity.

2.

What is one way that cooperation helps lions to survive?

a)

They hunt in a group to increase their likelihood of catching prey.

b)

They all have a tan color that helps them blend into their environment.

c)

They eat a variety of prey, including zebras, buffaloes, and wildebeest.

d)

They live in prides of five to ten adult females and their young, and one or two adult males.

3.

Without other changes to a population, which of the following will cause a population to increase in size?

a)

The birth rate equals the death rate.

b)

The birth rate is less than the death rate.

c)

The birth rate is greater than the death rate.

d)

The birth rate and the death rate both equal 0.

4.

Which of the following is an example of an abiotic limiting factor on population size?

a)

water availability

b)

Availability of food

c)

disease

d)

predation

5.
When individuals join a population
a)
Aliens
b)
migration
c)
Immigration
d)
Emigration
6.
Carrying Capacity is
a)
the capacity of what one person can carry per day 
b)
how many animals you have in your daily bag limit at the end of the year
c)
wildebeest at a watering hole with zebras
d)
the maximum number of individuals that the environment can support
7.
What are two ways in which the environment can influence population size?
a)
competition and natural disasters
b)
biomes and ecosystems
8.
Is a fungal infection in frogs considered biotic or abiotic?
a)
biotic
b)
abiotic
9.
What type of interaction occurs when beech and maple trees are in the same forest? 
a)
cooperation
b)
competition
c)
cohabitance
10.
What type of interaction occurs when bees live in a hive?
a)
cooperation
b)
competition
c)
churros
d)
chimichangas
11.
A part of the environment that prevents a population from growing to large is a/n______________
a)
abiotic factor
b)
biotic factor
c)
limiting factor
12.
Individuals _____________ when they work together to obtain resources.
a)
cooperate
b)
compete
13.
Populations of organisms are dynamic.
a)
True
b)
False
14.
One factor that drives population changes is
a)
the availability of resources.
b)
predation.
c)
both a and b.
d)
none of the above.
15.
When a population grows past the ecosystem's carrying capacity, what happens to the population?
a)
Continues to grow
b)
The population starts to die off to return to carrying capcity
c)
The population will go extinct due to lack of resources
d)
The population grows then finds a new carrying capacity
16.
What is this biome?
a)
Arctic Tundra
b)
Desert
17.
What is this biome?
a)
Grassland
b)
Desert
18.
What is this biome?
a)
Desert
b)
Arctic Tundra
c)
Tropical Rainforest
19.
What is this biome?
a)
Desert
b)
Arctic Tundra
20.
What is this biome?
a)
Deciduous Forest
b)
Tropical Rainforest
21.
What is this biome?
a)
Coniferous Forest
b)
Desert
22.
Dropping leaves in the fall is a characteristic of what type of tree?
a)
deciduous
b)
evergreen
c)
conifer
d)
bonsai
23.

Which biome is hot all year with wet and dry seasons?

a)

tropical rainforest

b)

arctic tundra

c)

temperate grassland

d)

desert

24.

Biome with plants and grasses, but no trees.

a)

grassland

b)

desert

c)

forest

d)

arctic tundra

25.
Type of forest biome near the equator; receives a lot of rain; temperatures are warm all year.
a)
desert
b)
tropical rain forest
c)
arctic
d)
temperate rain forest
26.

Which biome is represented by the rainfall amounts in letter C?

a)

desert

b)

prairie

c)

deciduous forest

d)

tropical rain forest

27.
A biome is......
a)
Like a snowglobe that you shake and can see different types of animals.
b)
A large region of earth with a certain type of climate
c)
An area of earth only found in the United States.
d)
A community of living things.
28.
True of False?  
Animals that live in the desert have adapted to live with little water since the desert gets little rainfall.
a)
True
b)
False
29.
The earth's coldest biome is the....
a)
Antartica
b)
Grasslands
c)
Tundra
d)
Freshwater
30.
The climate in a tropical rain forest can be described as
a)
cold and wet 
b)
warm and dry 
c)
cold and dry 
d)
warm and wet 
31.

Causes of SLOW change in an ecosystem...

a)

hurricanes

b)

seasonal or long term changes to climate

c)

forest fires

32.

Causes of SUDDEN change in an ecosystem...

a)

hurricanes

b)

volcanic eruptions

c)

eutrophication

33.

The process of organic matter and nutrients building up

in a body of water increasing plant growth...

a)

eutrophication

b)

succession

c)

fertilization

34.

The slow development or replacement of an ecological community by another ecological community is called...

a)

succession

b)

primary succession

c)

secondary succession

35.

Species, such as lichens which break down rock to help form soil, are the first to live in an uninhabited area are called...

a)

pilgrims

b)

pioneer species

c)

trailblazers

36.

This image...

a)

shows primary succession

b)

shows secondary succession

c)

does not show succession

37.

This image...

a)

shows primary succession

b)

shows secondary succession

c)

does not show succession

38.

Select all of the characteristics of secondary succession.

a)

can occur due to wildfires

b)

starts with soil

c)

starts with bare rock

d)

can occur due to floods

39.

T/F: Primary succession starts with bare rock.

a)

TRUE

b)

FALSE

40.

What are signs of a mature ecosystem?

a)

alien species

b)

climax species

c)

pioneer species

d)

biodiversity

41.

T/F: Biodiversity can cause an ecosystem to be stable and resilient to change .

a)

TRUE

b)

FALSE

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