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Worksheets8th grade Science Semester 2 Review
Total questions: 80
Worksheet time: 56mins
Name
Class
Date
1.
This domain is characterized by ancient bacteria that can live in extreme environments, such as volcanoes.
a)
Archaea
b)
Bacteria
c)
Eukarya
d)
Prokarya
2.
Which kingdom are mosses, ferns, conifers, and flowering plants a part of?
a)
Archaebacteria
b)
Plantae
c)
Animalia
d)
Protista
3.
Organisms that are classified as autotrophic are able to-
a)
be seen with the human eye
b)
move
c)
reproduce
d)
make their own food
4.
Which kingdom would this organism be considered?
a)
Plantae
b)
Protista
c)
Archaebacteria
d)
Fungi
5.
What do we call an organism that must eat other organisms in order to obtain energy?
a)
Photosynthesis
b)
Autotroph
c)
Heterotroph
d)
Producer
6.
The broadest or most general taxonomic classification of living organisms is organized by --
a)
Kingdom
b)
Domain
c)
Species
d)
Organisms
7.
Organisms in the Kingdom Animalia are mostly unicellular Eukaryotes.
a)
True
b)
False
8.
What are the three domains?
a)
Archaea, Bacteria, and Eubacteria
b)
Archaea, Protists, and Eubacteria
c)
Archaea, Bacteria, and Eukarya
d)
Archaea, Fungi, Animalia
9.
What do protists, plants, fungi, and animals have in common?
a)
Multicellular
b)
Eukaryotic
c)
Prokaryotic
d)
Consumers
10.
How many kingdoms are there?
a)
3
b)
4
c)
6
d)
9
11.
I am made of many cells. My cells have an organized nucleus. I have two parents and eat food.
a)
Protista
b)
Fungi
c)
Bacteria
d)
Animalia
12.
I am made of many cells. My cells have an organized nucleus. I mostly have two parents, but sometimes one. I make my own food.
a)
Fungi
b)
Bacteria
c)
Plantae
d)
Animalia
13.
I am only made of one cell. My cell does not have an organized nucleus. I only have one parent. Sometimes I make my own food, but other times, I eat food. I like to live in volcano vents, salt water of deep oceans, or the freezing cold Arctic.
a)
Protista
b)
Archaea
c)
Animalia
d)
Fungi
14.
I can make my own food, but sometimes I eat food. I am single celled, and I only have one parent. My cell does not have an organized nucleus. Sometimes I cause diseases. Other times I am a decomposer.
a)
Bacteria
b)
Archaea
c)
Animalia
d)
Protista
15.
What is unicellular?
a)
When the organism is made up of more than 1 cell
b)
When the organism is made up of 1 cell
c)
When the organism isn't a cell
d)
When the organism is made up of 2 cells
16.
What is prokaryotic?
a)
When the organism is a nucleus
b)
When the organism has a nucleus
c)
When the organism has 2 nuclueses
d)
When the organism has no nucleus
17.
How do the archaebacteria reproduce?
a)
sexually
b)
plantae
c)
asexually
d)
animalae
18.
Is fungi autotrophic or heterotrophic?
a)
Autotrophic, they make their own food
b)
Hetertrophic, they get food from other organisms
19.
Members of Kingdom Animalia don't have these...
a)
cell walls, or chloroplasts
b)
nucleus
c)
Netflix membership
d)
Amazon Prime, man they are lame.
20.
Antibiotics kill viruses
a)
True
b)
False
21.
Flu vaccines are needed every year because
a)
Your body forgets the flu
b)
The virus mutates
c)
Your body's B & T memory cells die
d)
The shot from last year has been used up
22.
What is the flagella used for?
a)
eating
b)
reproduction
c)
movement
d)
communicating
23.
All bacteria are harmful to humans
a)
True
b)
False
24.
Bacteria help you digest food.
a)
True
b)
False
25.
Which protist makes up about 90% of the world's oxygen?
a)
Ameobas
b)
Euglena
c)
Water mold
d)
Phytoplankton
26.
Asexual reproduction in bacteria that results in genetically identical offspring is known as:
a)
Binary Fission
b)
Conjugation
c)
Mitosis
d)
Fragmentation
27.
Viral diseases can be
a)
treated with antibiotics
b)
prevented by vaccines
c)
prevented by antibiotics
d)
treated with vaccines
28.
cell in which a virus reproduces
a)
endospore
b)
host cell
c)
bacteriophage
d)
plasmid
29.
virus that infects bacteria
a)
chicken pox
b)
HIV
c)
flu
d)
bacteriophage
30.
Which of the following is one important difference between a virus and a bacterial cell?
a)
a virus is much larger in size than a bacterial cell
b)
a virus always causes more severe disease than a bacterial cell
c)
a virus can never reproduce on its own, but a bacterial cell can
d)
a virus does not contain genetic material, but a bacterial cell does
31.
What is the name of the hair-like structures on a protist?
a)
Eyespot
b)
Glucose
c)
Flagella
d)
Cilia
32.
What anchor plants to the ground and absorb water and nutrients?
a)
Roots
b)
Stem
c)
Xylem
d)
Leaves
33.
What is the tissue that is used to transport necessary materials throughout the plant?
a)
Circulatory tissue
b)
Transport tissue
c)
Vascular tissue
d)
Pathway tissue
34.
Which of the following statements best describes xylem's function in the plant?
a)
transpports water and minerals up from the roots to the rest of the plant
b)
transports food down from the leaves to the rest of the plant
c)
transports water and minerals down from the roots to the rest of the plant
d)
transports food up from the leaves to the rest of the plant
35.
Which of the following statements best describes phloem's function in the plant?
a)
transpports water and minerals up from the roots to the rest of the plant
b)
transports food down from the leaves to the rest of the plant
c)
transports water and minerals down from the roots to the rest of the plant
d)
transports food up from the leaves to the rest of the plant
36.
What is the part of the flower that is brightly colored to attract pollinators?
a)
Petals
b)
Stamen
c)
Pistil
d)
Sepals
37.
What is the male part of the flower?
a)
Petals
b)
Stamen
c)
Pistil
d)
Sepals
38.
What is the female part of the flower?
a)
Petals
b)
Stamen
c)
Pistil
d)
Sepals
39.
What part of the female part of the flower is the place that holds the eggs?
a)
Ovary
b)
Style
c)
Filament
d)
Stigma
40.
What is the male reproductive material of plants?
a)
Seeds
b)
Pollen
c)
Fruit
d)
Sepals
41.
What part of the flower turns into the fruit?
a)
Seeds
b)
Ovary
c)
Stamen
d)
Sepals
42.
What organelle in the leaves of plants capture light energy from the sun to complete photosynthesis?
a)
Chloroplasts
b)
Mitochondria
c)
Nucleus
d)
Ribosomes
43.
What is the waxy layer on leaves?
a)
Chloroplasts
b)
Plastic
c)
Wax
d)
Cuticle
44.
What is the function of the cuticle on a leaf?
a)
to keep water from entering the leaf
b)
to keep water from leaving the leaf
c)
to keep bacteria out of the leaf
d)
to keep oxygen in the leaf
45.
What is pollination?
a)
the transfer of pollen from the anther to the stigma
b)
the union of pollen and egg cells in the ovary of the flower
c)
the dispersal of seeds to a new location
d)
the transfer of cash in a business transaction between plants
46.
What is fertilization?
a)
the transfer of pollen from the anther to the stigma
b)
the union of pollen and egg cells in the ovary of the flower
c)
the dispersal of seeds to a new location
d)
the transfer of cash in a business transaction between plants
47.
A ______ plant does not have any tubes to transport water
a)
angiosperm
b)
gymnosperm
c)
vascular
d)
nonvascular
48.
Non-vascular plants reproduce through _____________.
a)
seeds
b)
cones
c)
flowers
d)
spores
49.
Which evolved first?
a)
Nonvascular plants
b)
Vascular plants
50.
What type of animal spends its entire life under water, has fins, and breathes using gills
a)
amphibian
b)
fish
c)
bird
d)
reptile
51.
What type of animal has dry scaly skin and lays its eggs on land?
a)
fish
b)
amphibian
c)
reptile
d)
mammal
52.
What is the only type of animal that has feathers?
a)
bird
b)
mammal
c)
amphibian
d)
reptiles
53.
What type of animal has fur and feeds its young with milk?
a)
birds
b)
reptiles
c)
amphibians
d)
mammals
54.
What type of animal spends part of its life in water and part on land and lays its eggs in water?
a)
amphibians
b)
reptiles
c)
birds
d)
fish
55.
What classification of animals are vertebrae (have a backbone)?
a)
birds only
b)
reptiles only
c)
reptiles and birds but not mammals and fish
d)
mammals, fish, reptiles, amphibians, and birds
56.
What is an invertebrate?
a)
An animal with a backbone
b)
a mammal
c)
An animal without a backbone
d)
birds
57.
Between 90-95% of all animals on earth can be classified as _____.
a)
invertebrates
b)
vertebrates
c)
reptiles
d)
mammals
58.
Which of the following is an example of a arthropod?
a)
squid
b)
crab
c)
earth worm
d)
sea star
59.
Why are sponges classified as animals
a)
they digest food
b)
they breathe through gills
c)
they use legs to move
d)
they have skeleton
60.
Fishes take in oxygen through their
a)
fins.
b)
gills.
c)
scales.
d)
vertebrae.
61.
To find food, to breed, or to avoid weather too hot or too cold are reasons for birds to ____________.
a)
hybernate
b)
migrate
c)
estavate
d)
incubate
62.
Which of the following is a characteristic that all mammals share?
a)
they all have a pouch
b)
they all have a cloaca
c)
they all have hair
d)
they all have a short gestational period
63.
Which of the following is a structure that mammals share that enables them to feed their young?
a)
diphyodont
b)
mammary glands
c)
sebaceous glands
d)
aortic arch
64.
Mammals breathe with...
a)
lungs
b)
gills
c)
lungs and gills
d)
lungs, gills, and skin
65.
Fish are _______ blooded.
a)
cold
b)
warm
66.
Reptiles are ________ blooded.
a)
cold
b)
warm
67.
Endothermic means...
a)
cold blooded
b)
warm blooded
68.
Vertebrates are...
a)
animals that live in water
b)
animals without a backbone
c)
animals that live on land
d)
animals with a backbone
69.
This is a picture of a...
a)
mammal
b)
bird
c)
reptile
d)
amphibian
70.
The place on the body where bones meet is called...
a)
muscle
b)
tendon
c)
joint
d)
cartilage
71.
Tissues that contract and relax to create movement are called...
a)
ligaments
b)
muscles
c)
tendons
d)
limbs
72.
A nervous system allows animals to detect signals, process them, and...
a)
nothing else.
b)
react to them.
c)
record them.
d)
display them.
73.
a signal that causes an animal to react in some way is called...
a)
a stimulus.
b)
a response.
c)
a surprise.
d)
a reaction.
74.
An animal's reaction to a stimulus is called...
a)
a response.
b)
a reaction.
c)
an instinct.
d)
a surprise.
75.
a nerve cell is called a ...
a)
neutron.
b)
neon.
c)
neuron.
d)
proton.
76.
Which best describes homeostasis?
a)
When your internal environment changes with the environment
b)
When your internal environment is stable despite the outside environment
c)
your internal environment is unstable
d)
your body breaks down food
77.
Which structure is made up of different kinds of tissue?
a)
cell
b)
organ
c)
organ system
d)
homeostasis
78.
Cardiac muscles are found here
a)
stomach
b)
heart
c)
brain
d)
attached to bone
79.
How do skeletal muscles work together?
a)
One contracts, the other goes to its original length
b)
one contracts, the other contracts too
c)
both muscles extend together
80.
Which of the following best represents the order of the levels of body organization
a)
organs-->tissue-->cells-->organ system
b)
tissues-->cells-->organ systems-->organs
c)
tissue-->organ systems-->cells --> organs
d)
cells-->tissues-->organs-->organ systems
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