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Brain Dump 5

Total questions: 40

Worksheet time: 1hrs 1mins

Name
Class
Date
1.
The graph above shows the variation in the deer population in the Kaibab Plateau from 1905 to 1939. Between 1907 and 1923, the natural predators of deer were eliminated from the area by hunters. What was the most likely reason for the decline in the deer population after 1924?
a)
The deer stopped competing for resources because they had no predators.
b)
The increased number of deer led to increased competition for resources.
c)
A large number of deer left the region in search of new predators.
d)
The removal of predators caused fewer resources to be available to the deer.
2.
Which of the following situations is MOST HARMFUL to an ecosystem's food web or food chain?
a)
introduction of a similar producer
b)
loss of one of the top consumers
c)
increase in the population of producers
d)
disease killing the producers
3.
In a particular habitat, owls eat mice and mice eat grass. If the owl population suddenly grows, then most likely
a)
the number of mice will decrease and the amount of grass will not change.
b)
the number of mice will increase and the amount of grass will increase.
c)
the number of mice will increase and the amount of grass will not change.
d)
the number of mice will decrease and the amount of grass will increase.
4.
All living and nonliving things that surround an animal are part of its
a)
food chain
b)
life cycle
c)
atmosphere
d)
habitat
5.
Deer usually travel in groups of 2-3 sometimes more. How does staying in a group increase one deer’s chance to pass on his genes to the next generation?
a)
It increases the deer’s chances of survival.
b)
It protects the deer from the cold.
c)
It allows the deer to eat.
d)
It gives the deer time to think.
6.
Which habitat exhibits the greatest biodiversity?
a)
A habitat with 15 different species with about 300 individuals each
b)
A habitat with 10 different species with about 75 individuals each
c)
A habitat with 4 different species with about 150 individuals each
d)
A habitat with only one species with about 2000 individual
7.
What is the MOST likely consequence if a fungal disease killed the grass in this WOODLAND ECOSYSTEM?
a)
Only the rabbits would be affected, because they are the ones who eat the grass.
b)
The blueberry bush would begin to grow wild, because it would have more space to grow.
c)
Nothing would happen; the animals would eat something else.
d)
The ecosystem would most likely be disrupted, because the grass is one of its primary producers
8.
Currently sharks are on a rapid decline due to overfishing. If sharks go extinct will this affect the biodiversity of the ocean?
a)
No, sharks are not important.
b)
No, sharks will only affect the seal populations.
c)
Yes, it will disrupt the entire food chain in the ocean.
d)
Yes, but only a little.
9.
Why is biodiversity so important?
a)
Because all species depend on each other to survive, so if one becomes extinct another species that relies on it could go extinct as well
b)
Because it’s better to have only one variation of each species.
c)
Because it better to only have a few species on Earth.
d)
Honestly, I have no idea what biodiversity is!
10.
What factor does NOT affect biodiversity?
a)
Urbanization
b)
Planting Native Plants
c)
Overfishing
d)
Pollution
11.
How do Amphibians breath?
a)
Gills
b)
Blow Hole
c)
Gills and Lungs
d)
Lungs
12.

A symbiotic relationship where one species obtains food or benefits from another species without benefitting or harming the other.

a)

Commensalism

b)

Mutualism

c)

Competition

d)

Parasitism

13.

A symbiotic relationship that benefits both members of two different species.

a)

Predator-Pray

b)

Commensalism

c)

Mutualism

d)

Parasitism

14.

Organisms that “fight” for limited resources such as food, water or mates. It can be between organisms from different species or between organisms of the same species.

a)

Predator-Prey

b)

Mutualism

c)

Competition

d)

Parasitism

15.

A relationship where one organism (predator)

eats another organism (prey),

usually of a different species.

a)

Parasitism

b)

Mutualism

c)

Commensalism

d)

Predation

16.

A symbiotic relationship where one organism (the parasite) benefits from and hurts another (the host).

Usually the parasite is getting food from the hosts body.

a)

Commensalism

b)

Parasitism

c)

Mutualism

d)

Competition

17.

How can you tell this is a tundra?

a)

Temperatures are below zero most of the year

b)

Temperatures go up and down

c)

There is lots of precipitation (snow)

d)

There is a wet season and dry season

18.

How can you tell this is a grassland?

a)

There are 4 Seasons

b)

There is rain all year

c)

It is dry all year

d)

There is a wet and dry season

19.

How can you tell this is a temperate deciduous forest?

a)

There is lots of rain all year

b)

The temperature is warm all year

c)

There are 4 seasons

d)

There is a wet and dry season

20.

Which biome is represented by the climatograph?

a)

Grassland

b)

Tundra

c)

Desert

d)

Tropical Rainforest

21.

Which biome is located in the mid-latitudes in the middle of a continent?

a)

Tropical Rainforest

b)

Desert

c)

Temperate Deciduous Forest

d)

Grassland

22.

When domesticated rabbits were introduced to Europe their population increased rapidly and damaged agriculture and the natural environment. Which statement is the BEST conclusion from this event.

a)

humans use technology for organisms to adapt.

b)

human actions can lead to an imbalance in ecosystems.

c)

the population of rabbits decreased in new areas.

d)

Rabbits from other continents cannot survive in other ecosystems.

23.

An endangered species in South Florida is the Miami Blue Butterfly. Which factor has MOST likely caused the population of this butterfly to decline?

a)

the increase of parks.

b)

the decline of seawater.

c)

the increase of homes being built.

d)

decline of predators.

24.

Look at the diagram of a stream with toxic chemicals. The diagram models how toxic runoff can pollute a stream and also...

a)

create algae blooms.

b)

produce acid rain.

c)

pollute the groundwater.

d)

cause soil erosion.

25.

In the forest spotted owl make their home in the cavities of dead trees. The same habitat is home to rodents that owls feed on. Logging by humans have caused the population of owls to decline. What statement BEST explains the relationship between humans and the spotted owl.

a)

humans have taken away resources needed by owls, so there are fewer owls.

b)

Humans increased the available food for the owls, so there are more owls.

c)

Humans eliminated predators of the owls, so the owls increased.

d)

Humans moved the owls to the zoo, so there are less owls in the woods.

26.

It is estimated that half of the 10 million species of organisms on the planet live in the tropical rain forests. Deforestation of the rain forest causes the extinction of as many as 50,000 species per year. Clearing tropical rain forests causes the extinction of many species because

a)

plants and animals are exposed to high levels of carbon dioxide.

b)

pollution caused by humans increases the greenhouse effect.

c)

many unique habitats and ecosystems are being completely destroyed.

d)

destruction of the rainforest contributes to the depletion of the ozone.

27.
If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?
a)
The bird population would stay the same
b)
The bird population would infinitely increase
c)
The bird population would decrease
28.
A certain plant needs moisture, carbon dioxide, oxygen, light, and minerals to survive. This scenario shows that this particular living organism depends on .
a)
Biotic and Abiotc Factors
b)
Biotic Factors 
c)
Abiotic Factors 
d)
None of the Above
29.
**
a)
soil
b)
sunlight
c)
water
d)
oxygen
30.

The largest number of individuals that an environment can support long term is...

a)

carrying capacity

b)

emigration

c)

immigration

d)

population density

31.
Environmental factors that keep a population from increasing. 
a)
Carrying Capacity
b)
Limiting Factors
32.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
33.
The direction of the flow of energy in a food web is represented by ___.
a)
Light bulbs
b)
Dotted Lines
c)
Arrows
d)
Bubbles
34.

In the diagram, which organism provides nutrients for the

largest number of other organisms?

a)

Seal

b)

Herring

c)

Snapper

d)

Bluefish

35.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 
36.
Why might an organism have more than one arrow coming from them in a food web?
a)
More than one organism may eat them. 
b)
They may eat more than one other organism. 
c)
This organism gets its energy from multiple sources. 
d)
They have no resources available to them.
37.

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

a)

desert

b)

prairie

c)

deciduous forest

d)

tropical rain forest

38.

Which two are the main factors that separate the biosphere into biomes?

a)

Land

b)

Water

c)

Climate

d)

Latitude

39.
What Biome does this climate graph belong to?
a)
Desert
b)
Tropical Rainforest
c)
Temperate Forest
d)
Tundra
40.

The temperate forest is a type of terrestrial biome.

Which of the following are characteristic of a temperate forest?

a)

Elk and caribou migrating during the early summer to graze on lichen and grasses.

b)

Warm weather, plentiful rain, and diverse plant and animal life

c)

Cold winters, short summers, and frozen subsoil, even in the summer

d)

Warm summers, cold winters, squirrels, and deciduous trees

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