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Ecology Review

Total questions: 55

Worksheet time: 55mins

Name
Class
Date
1.
An individual belonging to a specific species
a)
Biotic
b)
Community
c)
Organism
d)
Reptile
2.
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
3.
The living part of an ecosystem
a)
Biotic
b)
Abiotic
c)
Mother Earth
d)
Flowers
4.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
5.
The amount of energy that usually transfers from one trophic level to the next...
a)
10%
b)
20%
c)
80%
d)
50%
6.
Water temperature would be an example of ...
a)
A biotic factor
b)
An abiotic factor
7.
Which organisms are producers?
a)
Chemosynthetic bacteria and symbiotic bacteria
b)
Amphipods and zooplankton
c)
Tubeworms and zoarcid fish
d)
Octopuses and mussels
8.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
9.
The Galapagos Islands were formed from volcanic activity. Which of the following organisms would have been the pioneer species to be observed growing on the islands? 
a)
moss
b)
trees
c)
shrubs
d)
weeds
10.
What's missing from the food web?
a)
decomposers
b)
producers
c)
consumers
d)
autotrophs
11.

Which of the following is abiotic?

a)

A tree in a forest.

b)

Wood from the tree on the forest floor.

c)

A termite on the tree.

d)

The soil the tree is growing in.

12.

If there are not enough predators and too many prey, the prey population may eventually starve.

a)

True

b)

False

13.

Who could be affected if the number of birds decreased?

a)

only the birds

b)

only the grasshoppers and grains

c)

only the foxes

d)

all of the organisms shown

14.

Which of the following organisms compete for the same food source?

a)

grasshoppers and grains

b)

rabbits and mice

c)

mice and grasshoppers

d)

foxes and owls

15.

Who could be affected if the number of leaves decreased?

a)

only the caterpillars

b)

only the grasshoppers and rabbits

c)

only the grass

d)

all of the organisms shown

16.

Snakes eat other animals for food. Snakes are considered __________.

a)

Autotrophs

b)

Prey

c)

Carnivores

d)

Herbivores

17.

Which of the following is an example of deposition?

a)

Water wearing away the edge of a cliff

b)

Sand particles being added to a beach

c)

A boulder splitting in two

d)

Soil sliding down the valley side of a mountain

18.

What is the ultimate source of energy in an ecosystem?

a)

The sun

b)

Producers

c)

Glucose

d)

Decomposers

19.

Which of the following is a heterotroph?

a)

Mushroom

b)

Wheat grass

c)

Phytoplankton

d)

Spider

20.

What belongs at the bottom of an energy pyramid?

a)

Producer

b)

Predator

c)

Consumer

d)

Decomposer

21.

Which of the following is an example of secondary succession?

a)

An island emerging from the sea

b)

A farmland regrowing after a tornado

c)

A volcano spewing lava on land

d)

A glacier retreats to reveal new land

22.

Plants are producers and make their own food by...

a)

eating other organisms

b)

photosynthesis

c)

cellular respiration

d)

breaking down decaying matter

23.

What's the greatest benefit to having strong biodiversity?

a)

Organisms will constantly compete for resources.

b)

The food web is small but strong.

c)

The ecosystem will be strong and resilient.

d)

There is no benefit.

24.

Which shows a correct transfer of energy?

a)

grass - sun - rabbit - snake - soil

b)

water - rabbit - flower - hawk - ants

c)

worm - rabbit - snake - hawk - clouds

d)

sun - grass - rabbit - snake - hawk

25.

What best describes a food web?

a)

A less complex food chain.

b)

A more complex food chain that shows how orgainsms digest food.

c)

A combination of food chains.

d)

A single food chain.

26.

Which includes all biotic factors?

a)

rock, soil, air

b)

plants, animals, fungi

c)

water, air, soil

d)

bacteria, viruses, decaying debris

27.

Daylight hours are decreased in winter. How does this affect the rate of photosynthesis?

a)

The rate of photosynthesis decreases.

b)

The rate of photosynthesis increases.

c)

The rate of photosynthesis stays the same.

d)

The rate of photosynthesis remains the same.

28.

Which BEST explains what would happen if decomposers disappeared in an ecosystem?

a)

everything would stop functioning immediately.

b)

everything would function normally.

c)

the ecosystem would become cleaner

d)

the ecosystem would be overrun with dead matter.

29.
The ability to conserve water is an important adaptation in which biome?
a)
Coniferous Forest
b)
Deciduous Forest
c)
Desert
d)
Tundra
30.

The area of the map shaded in green represents which of the following biomes?

a)

Coniferous Forrest

b)

Deciduous Forrest

c)

Desert

d)

Tundra

31.

What is this biome?

a)

Coniferous Forest

b)

Desert

c)

Rainforest

d)

Tundra

32.

Plants and animals in the tundra must be able to adapt to the extremely ___________ weather

a)

small

b)

cold

c)

hot

d)

inconsistent

33.

Which biome has many trees that lose all their leaves to save water

a)

coniferous forest

b)

tundra

c)

temperate grassland

d)

temperate deciduous forest

34.

Includes marshes and swamps, high humidity and warm temperatures. waves cause mechanical weathering. sand dunes, sand bars.

a)

Texas Gulf Coast

b)

High Plains

c)

Trans Pecos

d)

Piney Woods

35.

Which ecoregion has limestone hills, many streams and springs, shallow soil. Land forms include Enchanted rock

a)

Edward's Plateau

b)

Trans Pecos

c)

South Texas Plains

d)

Cross Timbers

36.

Why would there be less erosion in this ecoregion of Texas?

a)

Not enough rain

b)

Tree and plant roots holds onto the soil

c)

Water is not common in this ecoregion

d)

There are no rivers in this ecoregion and erosion only happens on rivers

37.

The map shows the various ecoregions of Texas. Which ecoregion is most vulnerable to wind erosion from hurricanes?

a)

Post Oak Savannah

b)

Blackland Prairies

c)

Edwards Plateau

d)

Gulf Prairies and Marshes

38.

_____________ includes rivers, creeks, lakes, and streams.

a)

Surface water

b)

Ground water

c)

Aquifers

d)

Wetlands

39.

What Catastrophic Event in the panhandle plains causes the most wind erosion?

a)

Hurricanes

b)

Tornadoes

c)

Flooding

d)

Humans

40.

This is a picture of the __________ ecoregion

a)

Edwards Plateau

b)

Trans Pecos

c)

High Plains

d)

Piney Woods

41.

Which of these processes best matches this event: rain washing away soil from a hillside?

a)

Weathering

b)

Erosion

c)

Deposition

d)

Flood

42.
Which of the following would be the "most effective" action that humans could take to keep a barrier island from washing away?
a)
plant lots of trees, bushes, and grass on the island
b)
limit the number of people that can come onto the island
c)
build a bridge from the island to the mainland
d)
stop building houses and roads on the island
43.

What is it called when creeks and smaller rivers join together to make a larger river?

a)

River Systems

b)

Topography

c)

Watershed

d)

Groundwater

44.
What is a stream or river that feeds into a larger body of water?
a)
Tributary
b)
Estuary
c)
Bay
d)
Watershed
45.

What is a watershed?

a)

Land that collects and channels water to a larger body of water

b)

The shape of the land determined by elevation

c)

A natural stream of water of considerable volume

d)

A river and all its tributaries

46.
Water stored  in cracks and pores below the Earth's surface is called:
a)
Groundwater
b)
Bogs
c)
Water in the ground
d)
surface water
47.

If a person dumps oil down the drain by their home (even miles away), it can end up in far away places like a bay or ocean.

a)

True

b)

False

48.

Where are you most likely to find a watershed?

a)

In a lake

b)

On a mountain top

c)

At the bottom of a valley

d)

Everywhere

49.

Which statement about water pollution is TRUE?

a)

Pollution only affects surface water.

b)

Pollution can be dissolved in water.

c)

Pollution affects both surface and groundwater.

d)

Pollution cannot travel through soil to groundwater.

50.
How do lichens contribute to primary succession?
a)
Lichens decompose organic matter from animals and plants
b)
Lichens begin to break down rock to form soil
c)
Lichens are nitrogen fixing bacteria
d)
Lichens convert carbohydrates into fossil fuels.
51.
What is formed during primary succession that doesn't need to be formed during secondary succession?
a)
pioneer species
b)
soil
c)
climax community
d)
lichens
52.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
eutrophication
c)
secondary succession
d)
intermediate
53.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
54.
Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?
a)
A tornado
b)
A volcanic eruption
c)
A flood
d)
A drought
55.

Which of these occurs in an area with no soil?

a)

climax community

b)

primary succession

c)

secondary succession

d)

pioneer species

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