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📚VL7: HW35 (5.23)

Total questions: 100

Worksheet time: 50mins

Name
Class
Date
1.
Why might some plants have thorns?
a)
to stay safe from animals that want to eat the plant
b)
to attract insects that spread pollen to other plants
c)
to take in nutrients from the air
d)
to provide shade for the plant
2.
What is an adaptation?
a)
A feature that helps a plant grow.
b)
A feature that helps a living thing survive.
c)
A feature that helps a living thing walk.
d)
A feature that that helps only animals survive. 
3.
How do adaptations help animals?
a)
to hide from predators
b)
to hunt for food
c)
to survive in their habitats
d)
All of these are correct
4.
An animal's color or pattern that helps it blend into its surroundings
a)
Environment 
b)
Mimicry
c)
Camouflage
d)
Habitat
5.
The ears of this fox are an example of...
a)
A behavioral adaptation
b)
Poor breeding
c)
A physical adaptation
d)
Plastic surgery gone horribly wrong
6.
When an animal looks like another animal it is called ______________.
a)
camouflage
b)
mimicry
c)
warning coloration
d)
protective resemblance
7.
The environment in which an animal lives is called its...
a)
habitat
b)
adaptation
c)
variation
d)
relatedness
8.
What are the 4 things that living things need to survive? 
a)
air, food, protection, love
b)
food, water, space, air
c)
love, protection, air, space
d)
protection, water, meat, plants
9.
Lions often hide in the tall grass while stalking their prey.  This is an example of...
a)
camouflage
b)
warning coloration
c)
mimicry
d)
hibernation
10.
A resting state through the winter. 
Adaptation: Bear sleeping in a cave during the winter months
a)
Locomotion
b)
Hibernation
c)
Migration
d)
Defense
11.
A wolf howls
a)
structural
b)
physiological
c)
behavioral
12.
Gills on a fish
a)
structural
b)
physiological
c)
behavioral
13.
The goal of every species on earth is...
a)
to survive and reproduce 
b)
divide and conquer 
c)
survive and conquer 
d)
reproduce and die 
14.
Poison Ivy growing on a tree by touch.
a)
Gravitropism 
b)
Phototropism
c)
Thigmotropism
d)
Hydrotropism
15.
A plant growing in response to the sunlight. 
a)
Gravitropism 
b)
Phototropism
c)
Thigmotropism
d)
Hydrotropism
16.
Roots of a tree growing towards the water line of a house. 
a)
Gravitropism 
b)
Phototropism
c)
Thigmotropism
d)
Hydrotropism
17.

The shoot of a plant growing up against gravity.

a)

Positive Gravitropism

b)

Negative Gravitropism

c)

Thigmotropism

d)

Hydrotropism

18.
When a plant responds to gravity it is called:
a)
Phototropism
b)
Thigmotropism
c)
Gravitropism
d)
Hydrotropism
19.
Amoeba and paramecia belong to which kingdom?
a)
Plant
b)
Animal
c)
Protist
20.
What is the job of the mitochondria?
a)
Makes Energy
b)
Uses Sunlight in Plants
c)
Creates Protein
d)
Protects the cell
21.

What is a cation's charge?

a)

positive

b)

negative

c)

neutral

d)

depends on the element

22.

What is an anion's charge?

a)

positive

b)

negative

c)

neutral

d)

depends on the element's charge

23.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
24.

If an atom of oxygen has a charge of -2, how many electrons does the atom have?

a)

18

b)

6

c)

8

d)

10

25.

If an atom of nickel has a charge of +3, how many electrons does the atom have?

a)

28

b)

25

c)

26

d)

31

26.
What charge does an atom have if it LOSES an electron? 
a)
Positive (+)
b)
Negative (-)
27.
Ions are: 
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
28.

How many total electrons does Mg+2 (a magnesium ion) have?

a)

10

b)

12

c)

14

d)

22

29.

How many total electrons does O-2 (an oxide ion) have?

a)

8

b)

10

c)

6

d)

18

30.

How many total electrons does Na+1 (a sodium ion) have?

a)

10

b)

11

c)

12

d)

22

31.

How many electrons does Oxygen have as a Neutral atom?

a)

8

b)

6

c)

2

d)

10

32.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
33.

What is the charge on a Hydrogen ion?

a)

+1

b)

1

c)

2

34.

What is the charge on an Aluminium ion?

a)

3

b)

+3

c)

+2

d)

+1

35.

What is the charge on a chloride ion?

a)

-1

b)

1

c)

+2

d)

+1

36.

Balanced or NOT: 2N2O5 ---> 2N2 + 5O2

a)

Balanced

b)

NOT

37.

Reactants: 2Mg + O2 ---> 2MgO

a)

Mg and O

b)

MgO

c)

Mg and MgO

d)

O and MgO

38.

Balanced or NOT: C5H12 + 6O2 ---> 5CO2 + 6H2O

a)

Balanced

b)

NOT

39.

What do atoms that form positive ions tend to do?

a)

Tend to lose electrons

b)

Tend to lose protons

c)

Tend to gain electrons

d)

Tend to gain protons

40.

Balanced or NOT: AlCl3 + 3H2O ---> Al(OH)3 + 3HCl

a)

Balanced

b)

NOT

41.

Balanced or NOT:

a)

Balanced

b)

NOT

42.

Balanced or NOT: 4HOCl + C ---> 2H2O + CO2 + 2Cl2

a)

Balanced

b)

NOT

43.

What is the Law of Conservation of Mass?

a)

It states that no matter can be created or destroyed.

b)

It states that no energy can be created or destroyed.

c)

It states that matter can be created or destroyed.

d)

It states that no sound can be created or destroyed.

44.

Balanced or NOT: Al + O2 ---> 2Al2O3

a)

Balanced

b)

NOT

45.

What do atoms that form positive ions tend to do?

a)

lose electrons

b)

gain electrons

c)

lose protons

d)

gain protons

46.
Isotopes are elements with a different amount of
a)
protons
b)
neutrons
c)
electrons
d)
atoms
47.

An element will always have the same number of

a)

neutrons

b)

protons

c)

isotopes

d)

atoms

48.

Ion with a positive charge

a)

cation

b)

anion

c)

molecule

d)

ionic bond

49.
When the number of electrons equals the number of protons the atom has what charge?
a)
sponge bob
b)
positive charge
c)
negative charge
d)
neutral charge
50.
An atom that has gained or lost electrons is called ...
a)
a winner
b)
an isotope
c)
an ion
d)
a loser
51.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
52.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
53.
A subscript is the small number below a(n) ________ that tells the number of _______ of that element.
a)
element symbol; atoms
b)
atom; element symbol
c)
subscript; protons
d)
compound; elements
54.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
55.

10 Protons

a)

Ne

b)

O

c)

F

d)

Ni

56.
CARBON
a)
C
b)
Ca
c)
Cl
d)
Cu
57.
HELIUM
a)
H
b)
He
c)
Hl
d)
Hm
58.
HYDROGEN
a)
H
b)
He
c)
Hy
d)
Hd
59.
FLUORINE
a)
F
b)
Fl
c)
Fu
d)
Fe
60.
NEON
a)
N
b)
Ne
c)
No
d)
Nn
61.
NITROGEN
a)
N
b)
Ne
c)
Ni
d)
Nt
62.
OXYGEN
a)
O
b)
Ox
c)
Oy
d)
Og
63.
BERYLLIUM
a)
B
b)
Bo
c)
Be
d)
Br
64.
LITHIUM
a)
L
b)
Li
c)
Lt
d)
Lh
65.

1 Proton

a)

H

b)

He

c)

Ho

d)

Hs

66.

2 Protons

a)

H

b)

He

c)

Ho

d)

Hs

67.

4 Protons

a)

Li

b)

He

c)

Be

d)

Ba

68.

3 Protons

a)

Li

b)

He

c)

La

d)

Cs

69.

5 Protons

a)

B

b)

He

c)

Be

d)

Ba

70.

6 Protons

a)

B

b)

C

c)

Ca

d)

Ba

71.

7 Protons

a)

N

b)

Ni

c)

Na

d)

Ba

72.

8 Protons

a)

N

b)

O

c)

S

d)

C

73.

9 Protons

a)

N

b)

O

c)

F

d)

C

74.

10 Protons

a)

Ne

b)

O

c)

F

d)

Ni

75.
All energy on Earth ultimately comes from what source?
a)
Water
b)
Sun
c)
Consumers
d)
Oxygen
76.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
77.
An organism that uses sunlight to create its own food is known as a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
78.
What does a food chain represent?
a)
How all living organisms within a habitat are connected.
b)
All of the things that a particular animal eats.
c)
How plants create their own food.
d)
A single path of energy transfer within a habitat.
79.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
80.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
81.
What is a trophic level?
a)
Each level represented within a food chain or web.
b)
Levels of ecosystems that the world is divided into.
c)
Different levels of nutrients present within an organism.
d)
The levels of sunlight an autotroph needs to survive. 
82.
An energy pyramid represents what?
a)
How much sunlight is available for the ecosystem to use. 
b)
How much energy a particular organism needs. 
c)
How much energy is needed to build a pyramid. 
d)
The amount of energy available to the next 'feeder' in a food web.
83.
How much energy is available to be passed on to the next trophic level in an ecosystem?
a)
100%
b)
10%
c)
50%
d)
75%
84.
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.
85.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
86.
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. 
87.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
88.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
89.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
90.
The image provided is an example of a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
91.
The image provided is an example of a(n):
a)
Autotroph
b)
Carnivore
c)
Herbivore
d)
Decomposer
92.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
93.
When an object is in motion, it has ___________ energy.
a)
potential
b)
mechanical
c)
kinetic
d)
movement
94.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
95.
In order to INCREASE the potential energy of an object, you need to:
a)
put the object lower to the ground
b)
raise the object higher
96.
Biomass refers to
a)
Chemical Energy
b)
Light Energy
c)
Rank in the feeding heirarchy
d)
Amount of living tissue at the tropic level
97.
Which animal is the apex predator?
a)
hawk
b)
lizard
c)
snake
d)
grass
98.
Trophic levels are represented by 
a)
squares
b)
circles
c)
pyramids
d)
lines
99.

The place where an organism lives in order to obtain its food, water, shelter and other things needed for survival is called a ---

a)

Niche.

b)

Habitat.

c)

Home.

d)

Ecosystem.

100.
Biodiversity refers to
a)
extinct species
b)
the variety of species on Earth
c)
nonrenewable resources
d)
the rate of species decline

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