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Worksheets

gr7term3BTS 2022-2023

Total questions: 120

Worksheet time: 4hrs 51mins

Name
Class
Date
1.

Cells are...

a)

groups of tissues that together carry out a particular function.

b)

groups of organs that together carry out a particular function.

c)

the structural and functional units of all living things.

d)

only found in animals.

2.

Tissues are...

a)

groups of cells that together carry out a particular function.

b)

groups of organs that together carry out a particular function.

c)

the smallest functional units of all living things.

d)

only found in animals.

3.

Organs are...

a)

groups of cells that together carry out a particular function.

b)

groups of tissues that together carry out a particular function.

c)

groups of body systems that make up an organism..

d)

unicellular.

4.

The picture that best shows a tissue is...

a)
b)
c)
d)
5.

The picture that best shows an organ is...

a)
b)
c)
d)
6.

The picture that best shows an organism is...

a)
b)
c)
d)
7.

Which organelle is the command center for eukaryotic (plant and animal) cells?

a)

Cell wall

b)

Nucleus

c)

Mitochondria

d)

Lysosome

8.

Which of the following is a eukaryotic cell?

a)

Bacteria

b)

Plant

c)

Plant and animal

d)

Animal

9.

What is the purpose of the nucleus?

a)

It is the command center, contains DNA, and cell division

b)

It protects the cell

c)

It stores energy for the cell

d)

It gets rid of waste in the cell

10.

The outermost layer of a plant cell and animal cell is...

a)

Plant cell - cell membrane, animal cell - cell wall

b)

Plant cell - cell wall; animal cell - cell membrane

c)

Plant and animal cell - cell wall

d)

Plant and animal cell - cell membrane

11.

What does a plant cell have that an animal cell doesn't have?

a)

Cell Membrane and Cell Wall

b)

Cell Wall and Mitochondria

c)

Cell Wall and Nucleus

d)

Cell Wall and Chloroplast

12.

What is the jelly-like substance that keeps the organelles floating?

a)

Cell Membrane

b)

Nucleus

c)

ER

d)

Cytoplasm

13.

Which organelle holds the cell together? (found in both an animal and plant cell)

a)

Cell Wall

b)

Nucleus

c)

Cell Membrane

d)

Ribosome

14.

What kingdom is made up of decomposers like this bread mold?

a)

Animal

b)

Plant

c)

Fungi

d)

Protist

e)

Monera

15.

This kingdom is made up of one celled organisms that have a nucleus.

a)

Animal

b)

Plant

c)

Fungi

d)

Protist

e)

Monera

16.

In the Animal Kingdom, two major groups are ____.

a)

vascular and nonvascular

b)

vertebrates and vascular

c)

vertebrates and invertebrates

d)

invertebrates and nonvascular

17.

In the Plant Kingdom, two major groups are ____ plants.

a)

vascular and nonvascular

b)

vertebrates and vascular

c)

vertebrates and invertebrates

d)

invertebrates and nonvascular

18.

Organisms in this kingdom act like plants and animals.

a)

Animal

b)

Plant

c)

Fungi

d)

Protist

e)

Monera

19.

Organisms in this kingdom are producers that can make their own food.

a)

Animal

b)

Plant

c)

Fungi

d)

Protist

e)

Monera

20.

In which kingdom is this one celled organism with a nucleus included?

a)

Animal

b)

Plant

c)

Fungi

d)

Protist

e)

Monera

21.

PROTIST AND BACTERIA ARE_________

a)

FUNGI

b)

MULTICELLULAR ORGANISMS

c)

UNICELLULAR ORGANISMS

22.

An animal that does NOT have a spine/backbone

a)

Vertebrate

b)

Invertebrate

23.

An animal that has a spine/backbone

a)

Vertebrate

b)

Invertebrate

24.

Simple (and short) plants that don't have tubes for carrying water, food, and nutrients

a)

Vascular

b)

Non-Vascular

25.

Complex cells that have DNA in a nucleus

a)

Prokaryote

b)

Eukaryote

26.

Complex (and tall) plats that have tubes for carrying food, water, and nutrients to all cells of the plant.

a)

Vascular

b)

Non-Vascular

27.

Euglena belongs to which kingdom?

a)

Animal Kingdom

b)

Plant Kingdom

c)

Fungi Kingdom

d)

Monera Kingdom

e)

Protista Kingdom

28.
Which is the correct order of the levels of classification?
a)
kingdom, phylum, order, class, family, species, genus
b)
species, order, phylum, family, class, kingdom, genus
c)
kingdom, phylum, class, order, family genus, species
29.

Two ways to classify plants are

a)

how the leaves and stems grow

b)

how plants transport nutrients and how they reproduce

c)

how they live and how they died

30.

The plants represented in the picture are:

a)

flowering plants

b)

conifer plants

c)

vascular plants with spores

d)

non vascular plants with spores

31.

The plant represented in the picture is a:

a)

flowering plant

b)

conifer plant

c)

vascular plant with spores

d)

vascular plant without spores

32.

The animals that have backbones are:

a)

invertebrates

b)

vertebrates

c)

insect

d)

arthropods

33.

The animals that have exoskeleston are:

a)

invertebrates

b)

vertebrates

c)

mammals

d)

reptiles

34.

The animal in the picture is a:

a)

mammal

b)

reptile

c)

amphibian

d)

fish

35.

The animal in the picture is a:

a)

reptile

b)

amphibian

c)

fish

d)

bird

36.

Vertebrates that are warm blooded, have feathers and reproduce by laying eggs would be classified as

a)

reptile

b)

bird

c)

fish

d)

amphibian

37.

Brooke made a list of organisms and classified them into two groups, What would be the best titles for these groups?


Group 1: fish, amphibians, reptile

Group 2: mollusks, arthropods, insects

a)

Group 1: Exoskeleton

Group 2: Endoskeleton

b)

Group 1: Vertebrates

Group 2: Invertebrates

c)

Group 1: Mammals

Group 2: Invertebrates

d)

Group 1: Invertebrates

Group 2: Endoskeleton

38.

Which two types of animals share these characteristics?


warm-blooded

four-chambered hearts

breathe with lungs

vertebrates

a)

fish and amphibians

b)

mammals and fish

c)

reptiles and birds

d)

birds and mammals

39.

Which two types of animals share these characteristics?


cold-blooded

hatch from eggs

born with gills

a)

insect and fish

b)

amphibians and reptiles

c)

fish and amphibians

d)

reptiles and insects

40.

Which list includes only plants classified as non-seed porducers?

a)

pine tree, carrot, tomato

b)

carrot, fern, tomato

c)

moss, fern, liverwort

d)

oak tree, moss, water lily

41.

Sally classified a list of plants into two groups. What two titles could be used for Groups 1 and 2?


Group 1: moss, fern, liverwort

Group 2: pine tree, sunflower, cucumber

a)

Group 1: Non-vascular

Group 2: Non-seed Producers

b)

Group 1: Non-seed Producers

Group 2: Seed Producers

c)

Group 1: Seed Producers

Group 2: Non-vascular

d)

Group 1: Vascular

Group 2: Non-vascular

42.

Groups of Animals

Group 1: giraffe, elephant, tiger

Group 2: penguin, ostrich, eagle

Group 3: crocodile, alligator, lizard

Group 4: flea, butterfly, bee

Group 5: tree frog, toad, salamander

Which group of animals contains warm-blooded vertebrates that lay eggs and have feathers?

a)

Group 1

b)

Group 3

c)

Group 5

d)

Group 2

43.

Which is a vertebrate

a)

scorpion

b)

dolphion

c)

sponge

d)

snail

44.

Scientists sort animals into two groups, vertebrate and invertebrate. They discovered a new organism. Its babies are born alive, drink milk from the mother's body, and have fur on their bodies. They are warm-blooded and breathe with lungs. How would these animals be classified?

a)

as a vertebrate and a reptile

b)

as a vertebrate and a fish

c)

as a vertebrate and a mammal

d)

as an invertebrate and a mammal

45.

I have dry scales, am cold blooded, lay leathery shelled eggs, and have a vertebrate. What am I?

a)

a bird

b)

a fish

c)

a mammal

d)

a reptile

46.

I am cold blooded and live both on land water. I have moist skin, a backbone and lay jelly coated eggs in the water. What am I?

a)

A reptile

b)

An amphibian

c)

A mammal

d)

A fish

47.

This is a one celled organism that has no nucleus. Some of these play important rolls in the ecosystem where they are decomposers. What could this be?

a)

Protists

b)

Fungi

c)

Reptiles

d)

Bacteria

48.
Tool used by a taxonomist to identify an unknown organism is a:
a)
dichotomous key
b)
binomial nmenclature
c)
scientific name
d)
binomial key
49.
When using a dichotomous key to identify organisms, what do we look at?
a)
physical features
b)
weather patterns
c)
environment
d)
diet
50.
What step do we always start with when using dichotomous keys?
a)
1
b)
2
c)
3
d)
4
51.
What should you do when typing a scientific name?
a)
Capitalize the first word
b)
Capitalize the first word and underline the whole thing
c)
Capitalize the first word and italicize the whole thing
d)
Nothing
52.
The first part of a scientific name is an organism's _______________ and the second part is its ________________.
a)
species, genus
b)
phylum, order
c)
class, spices
d)
genus, species
53.
What is the purpose of a dichotomous key?
a)
to find a common ancestor
b)
to show the evolution of organisms
c)
to show relationships between organisms
d)
to identify organisms
54.
Who is considered to be the father of traditional classification?
a)
Gregor Mendel
b)
Robert Hooke
c)
Francis Crick
d)
Carolus Linnaeus
55.
Why do scientists classify living things?
a)
It helps scientists trap species to study
b)
It is easier to study organisms when grouped 
c)
It is a good way to keep organisms calm
d)
It is helpful when dissecting an organism
56.
What do plants and fungi have in common?
a)
They are both autotrophic
b)
They are both unicellular
c)
They both have cell walls
d)
They both are prokaryotes 
57.
What statement would NOT be good for a dichotomous key?
a)
The organism has 1 dorsal fin
b)
The organism is ugly
c)
The organism has leaves in groups of three
d)
The organism has 6 legs
58.

What is Ecology?

a)

It is the study of the Earth.

b)

It is the study of how organisms interact with each other and their environment.

c)

It is the study of recycling.

d)

It is the study of plants.

59.

Nonliving factors that affects an ecosystem are called...

a)

biotic factors

b)

abiotic factors

c)

food chain factors

d)

biome factors

60.

Two organisms that are so similar are from the same ...

a)
biotic factor
b)
herbivore
c)
ecosystem
d)
species
61.

What are the abiotic factors in this image?

a)

water, sunlight, dirt

b)

birds, plants, predators

c)

water, plants, parasites

d)

oxygen, water, grasses

62.
Water temperature would be an example of ...
a)
a biotic factor.
b)
an abiotic factor.
63.

Which of the following is not part of the classification community?

a)

Fox

b)

Tree

c)

Sun

d)

Bear

64.

The non-living components or factors in an environment.

a)

biotic

b)

omnivore

c)

prey

d)

abiotic

65.

Shows how food and energy passes from one organism to another in an ecosystem.

a)

connect the dots

b)

food web

c)

food chain

66.

An organism that lives by breaking apart dead organic matter into simpler parts is...

a)

carnivore

b)

decomposer

c)

consumer

d)

scavenger

67.

The transfer of energy from one organism to the next in an ecosystem begins with a producer. A producer is an organism that produces its own food. A consumer is an organism in a food chain that obtains energy from producers or other consumers; consumers may be herbivores or carnivores.


Which food chain correctly describes the flow of energy in an ecosystem?

a)

grass → grasshopper → fish → human

b)

grasshopper → fish → human

c)

human → fish → grasshopper

d)

human → grasshopper → fish → grass

68.

An animal that eats other animal meat is a....

a)

carnivore

b)

scavenger

c)

herbivore

d)

decomposer

69.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
d)
Food pyramid
70.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
d)
Food pyramid
71.
What does a Primary (1st-order) Consumer eat?
a)
Tertiary Consumers
b)
Secondary Consumers
c)
Producers
d)
Nothing
72.
An organism that lives by breaking apart dead plants and animals and returning nutrients to the soil is a..
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
73.
An animal that eats other animals is a/an....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
74.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary (2nd order) Consumer
d)
Primary (1st order) Consumer
75.
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.
76.

What does a food web show?

a)

the flow of food between animals

b)

the flow of energy through an ecosystem

c)

the flow of water through an ecosystem

d)

the flow of food between decomposers

77.

Which group of living things makes up the bottom level of an energy pyramid?

a)

consumers

b)

herbivores

c)

carnivores

d)

producers

78.
What do you always find at the start of a food chain or web?
a)
An insect 
b)
A green plant 
c)
A bird 
d)
A worm 
79.
If an animal becomes extinct, which part of the food chain is affected? 
a)
The whole food chain is affected
b)
Only animals at the top of the food chain are affected 
c)
Only animals at the bottom of the food chain are affected 
80.
Which best describes what a food chain shows you?
a)
Energy flow through an ecosystem
b)
Food flowing through an ecosystem
c)
Consumers going into other consumers
d)
Who eats who
81.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
82.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
83.
What are the organisms that break down dead stuff?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Organisms
84.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
85.
What's the role of consumers in a food chain?
a)
Use sunlight to make food 
b)
Eat other species and keep them from overpopulating
c)
Break down dead stuff
d)
Add nutrients to the soil
86.
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.
87.
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.
88.

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.

89.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
90.
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. 
91.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
92.
Which organism has the most energy and which organism has the least amount of energy? Choose the best answer. 
a)
mosquito and grass
b)
mouse and grass
c)
grass and owl
d)
grass and small bird
93.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
94.
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
95.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
eutrophication
c)
secondary succession
d)
intermediate
96.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
97.
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
98.
succession that occurs in an area with no soil
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
99.
succession that occurs in an area where soil is already present
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
100.
starts with bare rock followed by lichen
a)
primary succession 
b)
secondary succession
c)
both types of succession
101.
this type of succession occurs after a forest fire
a)
primary succession
b)
secondary succession
c)
both
102.

Which experiences the least change over time?

a)

Pioneer Species

b)

Primary Succession

c)

Aquatic Succession

d)

Climax Community

103.

What term best relates to equilibrium?

a)

pioneer species

b)

primary succession

c)

secondary succession

d)

climax community

104.

If farmers use a controlled burn to prevent forest fires, what would most likely be the first plants to return?

a)

trees

b)

shrubs

c)

mosses

d)

grasses

105.

Breaking News! A new island has formed off of Hawaii! What must occur for it to become an ecosystem?

a)

Secondary Succession

b)

Aquatic succession

c)

Primary Succession

d)

Ferns must grow

106.

Primary succession occurs in areas with:

a)

very little soil

b)

lots of soil

c)

no soil

d)

soil that has been disturbed

107.

What best describes the term succession?

a)

rapid changes that create an ecosystem overnight

b)

gradual changes over time to fully create or restore and ecosystem

c)

forest with the tallest trees

d)

the rate species produce offspring

108.
The chemical compound of water is
a)
HO
b)
H2O
c)
H3O
d)
HO2
109.
Water is a universal solvent
a)
True
b)
False
110.
Water is a universal solvent because it...
a)
It can be found anywhere
b)
It freezes when it gets cold
c)
floats when frozen
d)
Dissolves most substances
111.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
112.
The attraction that causes water and other liquids to form drops on thin films is called ________________. This is also water’s ability to be attraction to other water molecules.
a)
adhesion
b)
capillary action
c)
cohesion
d)
surface tension
113.
What property of water is being shown?
a)
solution
b)
adhesion
c)
freezing point
d)
specific heat
114.

Elements present in molecules need to make organic compounds and molecules needed for life.

a)

Bioelements

b)

Biomolecules

115.
Which of the following is a macroelement?
a)
Iron
b)
Oxygen
c)
Zinc
d)
Fluorine
116.
Which macroelement is the main backbone of organic substances?
a)
Carbon
b)
Sodium
c)
Chlorine
d)
Magnesium
117.
Which macroelement is the component of protein and nucleic acids?
a)
Calcium
b)
Nitrogen
c)
Sulfur
d)
Potassium
118.
Which macroelement is involved in muscle contraction and blood clotting?
a)
Calcium
b)
Sodium
c)
Chlorine
d)
Magnesium
119.
Which microelement is involved in the production of red blood cells?
a)
Iron
b)
Zinc
c)
Copper
d)
Manganese
120.
Which macroelement is found in nucleic acids and helps in energy transmission?
a)
Calcium
b)
Potassium
c)
Phosphorus
d)
Sodium

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