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Total questions: 85

Worksheet time: 2hrs 21mins

Name
Class
Date
1.

As a part of the water cycle, water from Earth's surface enters the clouds and finally falls back to the ground in the form of rain. What is the correct sequence of processes water undergoes?

a)

Evaporation, Condensation, Precipitation

b)

Precipitation, Condensation, Evaporation

c)

Condensation, Evaporation, Precipitation

d)

Evaporation, Precipitation, Condensation

2.

The image shows various stages in the water cycle. During which stage does water flow back towards the sea as runoff?

a)

W

b)

X

c)

Y

d)

Z

3.

Condensation occurs when water vapor_____________.

a)

heats up and becomes liquid water

b)

cools off and becomes liquid water

c)

freezes and becomes ice

d)

rains on the land

4.

What step of the water cycle does this picture show?

a)

Condensation

b)

Runoff

c)

Precipitation

d)

Evaporation

5.

Which best explains why runoff is important?

a)

It returns water to other locations on Earth

b)

It increases the chance of flooding

c)

It makes evaporation occur faster

d)

It increases condensation

6.

In which area would the rate of evaporation be the lowest?

a)

Over the ocean

b)

Over the mountains

c)

Over the rainforest

d)

Over the desert

7.

What are formed when water vapor condenses and come together?

a)

Clouds

b)

Mountains

c)

Transpiration

d)

Valleys

8.

The sum total of all water on Earth and in its atmosphere is called the:

a)

Biosphere

b)

Terrasphere

c)

Hydrosphere

d)

Liquisphere

9.

Which of the following describes condensation?

a)

Ice becoming water when placed into a warm liquid.

b)

Water becoming ice in a freezer

c)

Liquid water being heated until it turns into steam.

d)

Steam from a teapot turning into liquid water.

10.

What can you infer from the fact that there is the same amount of water on the planet now as there was one billion years ago?

a)

The total amount of water on earth changes gradually over time.

b)

There will probably be the same amount of water on the planet a billion years from now.

c)

There have been many fluctuations in the water cycle over the last billion years.

d)

There will be much less water on earth one billion years from now.

11.
When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.
a)
Water
b)
Atmosphere
c)
Sun
d)
Air
12.
How do living organisms return carbon to the atmosphere in the carbon cycle?
a)
respiration and photosynthesis
b)
 decomposition and respiration
13.
Identify the cycle pictured.
a)
The Water cycle
b)
The Carbon cycle
c)
The Nitrogen cycle
d)
The Phosphorus cycle
14.
Which of the following add carbon dioxide to the atmosphere?
a)
volcanoes
b)
combustion of fossil fuels
c)
animal and plant respiration
d)
all of these
15.

The Carbon Cycle has the greatest impact on ______________ on Earth

a)

Living organisms

b)

Climate change

c)

Plants

d)

The sun

16.

Two everyday processes that use oxygen - 

a)

Bacteria fixation

b)

Breathing

c)

Decomposition

d)

Denitrification

17.

________ and _______ need Nitrogen

a)

Humans

b)

Animals

c)

Aquatic life

d)

Plants

18.

Deforestation causes an increase in ____________

a)

Oxygen

b)

Nitrogen

c)

Carbon dioxide

d)

Increased habitats

19.
oxygen is a gas produced by _ and used by  _ 
a)
plants and animals 
b)
photosynthesis and carbon dioxide 
c)
animals and plants 
d)
carbon dioxide and photosynthesis
20.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
21.
Which of the following is an example of a decomposer?
a)
Owl
b)
Fish
c)
Tree
d)
Mushroom
22.
Which process converts carbon in the form of sugar into carbon dioxide gas?
a)
Bioremediation
b)
Photosynthesis
c)
Respiration
d)
Transpiration
23.
Organisms that do not decompose can be buried and become what?
a)
water
b)
nutrients
c)
air
d)
fossil fuels
24.

Where do plants get the energy for photosynthesis to take place?

a)

nutrients in the soil

b)

the sun

c)

chlorophyll

d)

bee pollination

25.

True or False: Plants make their own food and use the energy from the food that is made.

a)

True

b)

False

26.

Where do the leaves and stems of plants get their green color from?

a)

glucose

b)

oxygen

c)

carbon dioxide

d)

chlorophyll

27.
What gas  do plants give off after conducting photosynthesis that humans/animals need in order to live?
a)
Oxygen
b)
Carbon
c)
Nitrogen
d)
Hydrogen
28.
What are the 3 key ingredients needed for photosynthesis
a)
glucose, oxygen, carbon dioxide
b)
carbon dioxide, water, glucose
c)
water, soil, sunlight
d)
sunlight, water, carbon dioxide
29.
What is the name of the sugars a plant produces after photosynthesis
a)
Glucose
b)
Sugar
c)
ATP
d)
Oxygen
30.

How are bacterial cells different from the cells of eukaryotes?

a)

The bacteria are prokaryotes, and the genetic material is not contained in the nuclei.

b)

The bacteria are eukaryotes, and the genetic material is not contained in the nuclei.

c)

The bacteria are prokaryotes, and the genetic material is contained in the nuclei.

d)

The bacteria are eukaryotes, and the genetic material is contained in the nuclei.

31.

Decreasing ocean temperature causes the density of the water to ______.

a)

decrease

b)

increase

c)

stay the same

d)

fluctuate

32.

Nutrients are brought to the surface for phytoplankton to use at _______.

a)

gyres

b)

eddies

c)

upwellings

d)

the equator

33.

________ and _______ affect the ocean's density and cause the Global Conveyor Belt to travel

a)

gravity and the Coriolis Effect

b)

temperature and salinity

c)

wind and climate

d)

temperature and the Coriolis Effect

34.
Carbon dioxide and seawater combine to form
a)
calcium carbonate
b)
carbon monoxide
c)
carbonic acid 
35.
Ocean acidification begins with 
a)
pollution from ships
b)
carbon dioxide released from combustion
c)
dumping of waste from cities into the ocean
36.

In what zone does approximately 90% of all ocean life live?

a)

photic (=euphotic)

b)

aphotic

37.
Light does not reach the bottom of the ocean, yet certain species live there. Which best explains how species on the bottom of the ocean get energy to live?
a)
Algae and bacteria produce energy through photosynthesis.
b)
Hydrothermal vents produce energy through chemical reactions.
c)
Dead plants and animals produce energy through decomposition.
d)
Light comes from the core of the earth.
38.
Animal members of the plankton community.
a)
Phytoplankton
b)
Meroplankton
c)
Holoplankton
d)
Zooplankton
39.
Scientists use ______ to determine the oceans depth.
a)
Submarine
b)
Sonar
c)
Helicopter
d)
Light
40.
The ocean is salty mainly due to the weathering & erosion that takes place on igneous rocks found in Earth’s crust and on the mountains.  It is also salty due to the dead ocean animals whose bodies sink to the ocean floor.
a)
True
b)
False
41.

You like to breathe? More than half of Earth's oxygen is created by ______________in the ocean, but their levels are declining because oceans are warming up.... 😠

a)

phytoplankton

b)

zooplankton

c)

chemosynthesis, hydrothermal vents

d)

agricultural plants

42.

Another reason algae /phytoplankton are important is because these serve as _____________ to most food chains in the ocean

a)

salinity protection

b)

primary food source

c)

barriers from strong currents/weather systems

43.

Which ocean floor feature is the steep cliff-like drop beyond the continental shelf?

a)

Continental Shelf

b)

Continental Slope

c)

Abyssal Plain

d)

Ocean Trench

44.

Which of the following cell parts do cyanobacteria have? (More than one answer)

a)

Chloroplasts

b)

Cell wall

c)

Nucleus

d)

Chlorophyll

45.

Select the following that apply to cyanobacteria (More than 1 answer)

a)

Multicellular

b)

Unicellular

c)

Prokaryote

d)

Eukaryote

e)

Make their own food (Photosynthesize)

46.

What is the name of some of the very first Algae on our planet?

a)

Blue Algae

b)

Green Algae

c)

Cyanobacteria

d)

Protozoa

47.

How long ago did these Cyanobacteria first show up?

a)

1 million years ago

b)

4 million years ago

c)

3.5 billion years ago

d)

last week

48.

Diatoms and Dioflagellates are both in which domain?

(¿En qué dominio están las Diatoms y los Dinoflagellates?)

a)

Prostia

b)

Eukarya

c)

Fugni

d)

Pyhtopanktoi

49.

Check all that applies about Diatoms:

(Marque todo lo que se aplica sobre las Diatoms)

a)

They can swim.

b)

Blooms produce brown tides.

c)

They photosynthesize.

d)

They are heterotrophic (eat other organisms).

e)

They're transparent.

50.

Dinoflagellates are similar to plants because...

(Dinoflagellates son similares a las plantas porque...)

a)

They don't move or eat other organisms.

b)

They photosynthesize and have similar cell walls.

c)

They reproduce sexually.

d)

They have no similarities, actually.

51.

Why are diatoms and dinoflagellates important in an ecosystem?

(¿Por qué son importantes diatoms y dinoflagellates en un ecosistema?)

a)

They provide much of the energy for other organisms.

b)

They keep the water perfectly clear.

c)

They absorb toxins and chemicals, so that other animals don't have to.

d)

They're not actually very important.

52.

What's are some similarities between diatoms and dinoflagellates?

(¿Cuáles son algunas similitudes entre las diatoms y los dinoflagellates?)

a)

Both are microscopic.

b)

Both are usually beneficial, but can be harmful during "blooms."

c)

Both are heterotrophic.

d)

Both have evolved ways to move toward light to photosynthesize.

e)

Mr. Hellmer loves both deeply.

53.

Why is diatoms the most important form of algae?

a)

They cause red tides

b)

They make glass

c)

They produce most of our oxygen supply

d)

They make sand

54.

What can show that an algae is protist and not a plant?

a)

It's a thickening agent

b)

It is an autotroph

c)

It lives in water

d)

It is green

55.

A sessile colony...

a)

stay in one place

b)

moves around

c)

stays in one place (holdfast)

d)

stays in one place but moves if they are out of food

56.

What part of an amoeba is listed below has a possibilty of exploding with water?

a)

cell wall

b)

contractile vacuole

c)

pellicle

d)

nucleus

57.

Why is algae not a plant?

a)

It does not have roots.

b)

It floats.

c)

It does not have roots and it floats.

58.

What kind of algae is made into biofuel?

a)

Brown algae

b)

Red algae

c)

Green algae

59.

These are animal like plankton

a)

diatoms

b)

phytoplankton

c)

zooplankton

60.

These plankton can make their own food.

a)

zooplankton

b)

copepods

c)

crab larvae

d)

phytoplankton

61.

These zooplankton live only their early lives as plankton then grow to live as benthos or nekton.

a)

meroplankton

b)

holoplankton

c)

funny plankton

62.

These zooplankton spend their whole lives as plankton.

a)

meroplankton

b)

Spongebob

c)

holoplankton

63.
a)

barnacle

b)

crab

c)

starfish

d)

red drum (redfish)

e)

great blue heron

64.
a)

barnacle

b)

crab

c)

starfish

d)

red drum (redfish)

e)

great blue heron

65.
a)

barnacle

b)

crab

c)

starfish

d)

red drum (redfish)

e)

great blue heron

66.
a)

barnacle

b)

crab

c)

starfish

d)

red drum (redfish)

e)

great blue heron

67.
a)

barnacle

b)

crab

c)

starfish

d)

red drum (redfish)

e)

great blue heron

68.
a)

sea urchin

b)

coral

c)

jellyfish

d)

bottlenose dolphin

e)

sea snail

69.
a)

sea urchin

b)

coral

c)

jellyfish

d)

bottlenose dolphin

e)

sea snail

70.
a)

sea urchin

b)

coral

c)

jellyfish

d)

bottlenose dolphin

e)

sea snail

71.
a)

sea urchin

b)

coral

c)

jellyfish

d)

bottlenose dolphin

e)

sea snail

72.
a)

sea urchin

b)

coral

c)

jellyfish

d)

bottlenose dolphin

e)

sea snail

73.
What are tiny organisms that float near the surface of the water?
a)
plankton
b)
organisms
c)
abiotic factor
d)
insects
74.
Which is a kind of phytoplankton?
a)
 lion’s mane jellyfish
b)
sea butterfly 
c)
algae
d)
copepod 
75.
Plankton that uses photosynthesis:
a)
Phytoplankton
b)
Zooplankton
76.

Animal plankton are also called

a)

phytoplankton

b)

zooplankton

c)

both

d)

neither

77.

Plant plankton are also called

a)

phytoplankton

b)

zooplankton

c)

both

d)

neither

78.

What is the name of this location on the shell of the clam?

a)

Umbo

b)

Foot

c)

Mouth

d)

Mollusc

79.
Which class of Mollusks include clams, oysters, and mussels?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
80.

Which part of the Mollusk body is specialized for burrowing and movement?

a)
trochophores
b)
visceral mass
c)
mantle
d)
foot
81.
# 16 Points to what feature?
a)
excurrent siphon
b)
incurrent siphon
c)
intestines
d)
mantle
82.
What muscle opens and closes the clam?
a)
Labial Palp
b)
Adductor
c)
Incurrent
d)
Excurrent 
83.
Clams pump water in by means of the 
a)
excurrent siphon
b)
incurrent siphon
c)
gills
d)
mouth 
84.
What do the rings on the shell indicate?
a)
species
b)
age
c)
size
d)
genus
85.

Classification system (starting from the largest group)

a)

phylum, kingdom, class, order, family, genus, species

b)

kingdom, class, phylum, order, family, genus, species

c)

kingdom, phylum, class, order, family, genus, species

d)

kingdom, phylum, class, family, order, genus, species