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Biology ECO 1: "PRINCIPLES OF ECOLOGY"

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.

The study of the relationships among living organisms and the interaction the organisms have with their environment.

a)

Biology

b)

Ecology

c)

Sociology

d)

Archeology

2.

A study made of one living thing and its environment that may take years of observation to complete

a)

A habitat intrusion

b)

A passionate involvement

c)

Comprehensive Inclusion

d)

Longitudinal Analysis

3.

The portion of the Earth that supports life.

a)

Hydrosphere

b)

Biosphere

c)

Ecosystem

d)

Lithosphere

4.

Things within an ecosystem that will naturally CONTROL the size of the population

a)

Biological Check Points

b)

Controlling Agents

c)

Limiting Factors

d)

Social guidelines

5.

There are many Living things that an animal or plant has to deal with within its environment. What are these living things called?

a)

Abiotic Factors

b)

Biotic Factors

c)

Heterotrophs and Autotrophs

d)

Natural intrustions

6.

Which of the following factors are Biotic?

a)
b)
c)
d)
e)
7.

Which pictures represent Abiotic factors?

a)
b)
c)
d)
e)
8.

What will happen to the prey population if the predator population increases?

a)

Well, of course if more predators come in, the size of the prey population will go down!

b)

Not much really. This is Nature’s way. All part of the circle of life.

c)

Lets see, with predators coming in, the size of the prey population is bound to go up.

d)

All the prey members will pack up and move to Florida

9.

What will happen to the predator population if the prey population goes down?

a)

The predators decide to become vegans and eat vegetables.

b)

The predators start howling at the moon

c)

They get confused and begin to eat their own young.

d)

The predators will move out in search of other prey.

10.

Non-living things such as water, air, temperature, rainfall that plants and animals live with in the environment.

a)

Abiotic factors

b)

Biotic Factors

c)

Natural Occurances

d)

Creative Forces

11.

The location within the environment where a specific plant or animal lives is called its:

a)

Comfort Zone

b)

Optimal Zone

c)

Niche

d)

Habitat

12.

The role that the plant or animal holds within a particular environment is called its:

a)

Niche

b)

Position

c)

Point of Reference

d)

Habitat

13.

When two or more species use the same resources, they may fight for access to the resource. They will fight for the right to use the water, the land or whatever they are both trying to use. Only the strong will survive and be able to use the resource. Loser? So long........

a)

Selfishness

b)

Competition

c)

Parasitism

d)

Mutualism

e)

Greed

14.

In PREDATION, the one that does the killing and eating is called the:

a)

Predator

b)

Villian

c)

Prey

d)

Vixon

15.

In PREDATION, name the poor thing that is killed and eaten. oh, well, circle of life you know.

a)

Predator

b)

Prey

c)

Victim

d)

Sacrifice

16.

The close relationship that exist when two or more species live together.

a)

Collaboration

b)

Union

c)

Partnership

d)

Symbiosis

17.

Identify this relationship: Two organisms live together and both benefit

a)

Mutualism

b)

Parasitism

c)

Commensalism

d)

Communism

18.

Which of the following is NOT an example of MUTUALISM?

MULTIPLE ANSWER

a)
b)
c)
d)
e)
19.

Which of these images IS an example of mutualism?

Multiple answer

a)
b)
c)
d)
e)
20.

Which of these images IS an example of Commensalism?

Multiple answer

a)
b)
c)
d)
e)
21.

Which of these images IS an example of Parasitism?

Multiple answer

a)
b)
c)
d)
e)
22.

Identify this relationship: Two organisms live together. One benefits and the other is unaffected

a)

Mutualism

b)

Communism

c)

Commensalism

d)

Parasitism

23.

Identify this relationship: Two organisms live together. One benefits and the other is HURT

a)

Mutualism

b)

Communism

c)

Commensalism

d)

Parasitism

24.

What is the ultimate energy source that allows life to exist on the Earth?

a)

Carbohydrates

b)

The Soil

c)

The Sun

d)

The Water Cycle

e)
25.

Living things that take energy from the environment and store it in sugar molecules.

a)

Parasites

b)

Autotrophs

c)

Heterotrophs

d)

Decomposers

26.

Plants. Absorbs solar energy from the sun and puts it into sugar molecules

a)

Photosynthetic Heterotrophs

b)

Chemosynthetic Heterotrophs

c)

Photosynthetic Autotrophs

d)

Chemosynthetic Autotrophs

27.

This organism cannot reach the sun. It takes energy from the breakdown of nitrates and puts it in sugar.

a)

Photosynthetic Heterotrophs

b)

Chemosynthetic Autotrophs

c)

Chemosynthetic Heterotrophs

d)

Photosynthetic Autotrophs

28.

Where would you find this fish?

a)

These fish are found down deep around the thermal vents. Here the chemosynthetic autotrophs begin the food chain.

b)

These unique fish are found around the coast of Hawaii. Here they feed on the smaller fish that live in and around the coral reef.

c)

These fish feed upon the photosynthetic autotrophs that exist at the surface of the water. They are a prized commodity in Asian culture.

d)

These fish are only found in areas of extremely low pressure, like mountain streams.

29.

These living things must eat in order to get the energy into their body.

a)

Heterotrophs

b)

Photosynthetic Autotrophs

c)

Chemosynthetic Autotrophs

d)

Self feeding Autotroph

30.

This organism only eats plants!

a)

Herbivore

b)

Detritivore

c)

Omnivore

d)

Carnivore

31.

Greetings. I am a herbivore. Select which picture would represent me.

a)
b)
c)
d)
e)
32.

Greetings. I am a carnivore . Select which picture would represent me.

a)
b)
c)
d)
e)
33.

Greetings. I am an omnivore . Select which pictures would represent me.

a)
b)
c)
d)
e)
34.

Eats rotted materials in the soil or stream bottoms

a)

Herbivore

b)

Decomposer

c)

Carnivore

d)

Detritivore

35.

These living things MAKE things rot allowing nutrients to be

returned to the soil

a)

Herbivore

b)

Decomposer

c)

Carnivore

d)

Detritivore

36.

All energy comes from the sun. Which example below illustrates how that energy gets to us?

a)

Food Chain

b)

Food Cycle

c)

Energy Pyramid

d)

Trophic Level Pyramid

37.

Each step in the food chain is called a :

a)

Trophic Level

b)

Trophic Zone

c)

Pyramidal Step

d)

Trophic Step

38.

In real life, food chains overlap. Many different consumers may feed from the same producer! Many secondary consumers may feed from the same Primary Consumer. To illustrate that , we use the following model.

a)

Food Web

b)

A food chain network

c)

A Food Cooperative

d)

A Trophic Anex

39.

Which one is the primary producer?

a)

Grass

b)

Grasshopper

c)

Frog

d)

Snake

e)

Eagle

40.

Which one is the Primary Consumer?

a)

Grass

b)

Grasshopper

c)

Frog

d)

Snake

e)

Eagle

41.

Which one is the Secondary Consumer?

a)

Grass

b)

Grasshopper

c)

Frog

d)

Snake

e)

Eagle

42.

Which one is the Tertiary Consumer?

a)

Grass

b)

Grasshopper

c)

Frog

d)

Snake

e)

Eagle

43.

Which one is the Apex Predator?

a)

Grass

b)

Grasshopper

c)

Frog

d)

Snake

e)

Eagle

44.

In this pyramid, each level represents the amount of energy that is available to that trophic level.

a)

Numbers Pyramid

b)

Food Pyramid

c)

Energy Pyramid

d)

Biomass Pyramid

45.

Why is it necessary for nutrients to be cycled through the biosphere?

a)

There is only a certain amount that humans are allowed to use per year.

b)

Nature does not recycle!

c)

Oh yes I remember, its easier for nature to recycle than to create new stuff.

d)

Well, if nature did not recycle the nutrients, we would run out!

46.

The natural process by which water is continuously cycled through the biosphere

a)

Water Cycle

b)

Hydro Cycle

c)

Aqua Cycle

d)

The Carbon Cycle

47.

Water falling from the sky. It may be rain, snow, or hail

a)

Precipitation

b)

Evaporation

c)

Condensation

d)

Transpiration

e)

Run Off

48.

Water changes into a gas, and rises up into the atmosphere.

a)

Precipitation

b)

Evaporation

c)

Condensation

d)

Transpiration

e)

Run Off

49.

in the atmosphere, water vapor cools, and changes back into liquid water.

a)

Precipitation

b)

Evaporation

c)

Condensation

d)

Transpiration

e)

Run Off

50.

Water also escapes from the leaves of plants. This water changes into a gas also and goes up into the atmosphere.

a)

Precipitation

b)

Evaporation

c)

Condensation

d)

Transpiration

e)

Run Off

51.

Water hits the ground and begins to move towards a water source, like the ocean.

a)

Precipitation

b)

Evaporation

c)

Condensation

d)

Transpiration

e)

Run Off

52.

Rain water begins to be absorbed by the soil. It moves on downward until it hits an underground reservoir

a)

Oh yes, this is called Run Off

b)

This is Evaporation

c)

This is a very good thing called Recharging the Aquifer!

d)

This is Transpiration

53.

Describe the Oxygen - Carbon dioxide cycle

a)

As the air is blowing against the leaves, The Oxygen is filtered out and Carbon dioxide is put back into air.

b)

Plants use Carbon dioxide and water to make sugar. Oxygen is given off as a waste product.

c)

Carbon dioxide is filtered through the leaves and Water and Oxygen are put back into the air.

d)

Plants use Carbon dioxide and Oxygen to make sugar. Water is given off as a waste product.

54.

Why is the Nitrogen Cycle so important?

a)

Nitrogen is used to slow down the Oxygen that we take in.

b)

Nitrogen is a necessary raw material used for making proteins.

c)

Nitrogen is a universal buffer. It takes toxins out of the body.

d)

Nitrogen helps in the bodies immune system to get rid of bacterial

55.

How much of our atmosphere is actually Nitrogen Gas?

a)

100%

b)

78%

c)

.03%

d)

50%

56.

Why must Nitrogen go through a Biochemical cycle before entering our food chain?

a)

Living things tend to absorb too much gaseous Nitrogen

b)

No living thing has the ability to use Atmospheric Nitrogen.

c)

Straight Nitrogen would cause cell death

d)

Nitrogen gas would slow down Cell Respiration.

57.

As the air circulates around the roots, bacteria change the gaseous nitrogen into nitrates during a process called:

a)

Modulation

b)

Defecation

c)

Nitrogen Fixation

d)

Ammonification

58.

When an animal dies, what happens to its proteins?

a)

Nitrogen bonds with water and is absorbed into the soil.

b)

Proteins are changed into sugars to be used as food

c)

Proteins release their nitrogen back into the atmosphere

d)

The proteins are changed into ammonia. Bacteria convert this into nitrates

59.

What is the major use of Phosphorus in the body?

a)

Creation of blood plasma

b)

Protein and Nervous tissue

c)

Bones and Teeth

d)

Used to illuminate the interior of the body

60.

The cycling of nutrients in the biosphere involves both matter in living organisms and physical processes found in the environment such as weathering.

a)

Biogeochemical cycle?

b)

Water Cycle

c)

Phygeochemical cycle

d)

Elemental C;ycle