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WorksheetsLaFond's Life Science Review
Total questions: 100
Worksheet time: 3600secs
Name
Class
Date
1.
What is the ultimate source of energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
2.
An organism that produces its own food is called a(an)
a)
heterotroph
b)
consumer
c)
detritivore
d)
autotroph
3.
which symbiosis is this
a)
parasitism
b)
mutualism
c)
commensalism
d)
nonalism
4.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
5.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
6.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
7.
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.
8.
The amount of energy that usually transfers from one trophic level to the next...
a)
10%
b)
20%
c)
80%
d)
50%
9.
An illustration that uses arrows to show the many possible directions in which matter and energy can pass through the organisms in an ecosystem.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
Succession Map
10.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
11.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
12.
A place where an organism lives.
a)
Terrain
b)
Habitat
c)
Community
d)
Population
13.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
14.
An organism at the second trophic level would be considered a...
a)
Top carnivore
b)
Producer
c)
Herbivore
d)
Carnivore
15.
A graphic illustration that shows each trophic level and the amount of useable energy contained within.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
All of these
16.
what organelle controls the cell.
a)
Lysosome
b)
Nucleus
c)
Nucleolus
d)
Chromosomes
17.
How many parents is/are needed for sexual reproduction?
a)
1 parent
b)
2 parents
c)
3 parents
d)
190000000 parents
18.
How many parents is/are needed for asexual reproduction?
a)
0
b)
3
c)
2
d)
1
19.
The basic unit of all living things is ______
a)
cells
b)
Protien
c)
oxegen
d)
bones
20.
What is the job of a lysosome in the cell?
a)
Clean up
b)
control the cell
c)
make ribosomes
d)
It's just there
21.
What is the job of mitochondria in a cell.
a)
make ribosomes
b)
control the cell
c)
produce energy
d)
make protien
22.
what is the job of chloroplasts in the cell
a)
produce protien
b)
catch sunlight and turn it into energy
c)
nothing
d)
clean up
23.
What is the job of the golgi body in the cell.
a)
Send stuff to the E.R
b)
controls the cell
c)
make protien
d)
nothing
24.
What is the body system that sends and recieves electrical signals from the brain?
a)
Skeletal System
b)
Nervous System
c)
Muscular System
d)
Digestive System
25.
What body system produces cells for the body?
a)
Nervous System
b)
Digestive System
c)
Respiratory System
d)
Skeletal System
26.
What system controls voluntary and involuntary life functions?
a)
Nervous System
b)
Skeletal System
c)
Digestive System
d)
Respiratory System
27.
Why is the blood that flows from the lungs to the heart bright red?
a)
It has oxygen in it
b)
It has carbon dioxide in it
c)
It has food coloring in it
d)
It has waste in it
28.
What system allows motion in the body?
a)
Digestive System
b)
Stomach
c)
Musuclar System
d)
Veins
29.
What requires energy to grow and reproduce?
a)
Cells
b)
Feet
c)
Hair
d)
Muscles
30.
The blood vessels that carry blood away from the heart are called what?
a)
Veins
b)
Stomach
c)
Arteries
d)
Lungs
31.
Which body system transports oxygen and nutrients through out the body?
a)
Muscular System
b)
Nervous System
c)
Digestive System
d)
Circulatory System
32.
What system receives oxygen and gets rid of carbon dioxide?
a)
Heart
b)
Muscular System
c)
Veins
d)
Respiratory System
33.
What system breaks food down into energy for the body?
a)
Stomach
b)
Digestive System
c)
Respiratory system
d)
Lungs
34.
Which of the following is in the correct order from smallest to largest?
a)
tissue-organ-system-cell
b)
cell-organ-tissue-system
c)
System-tissue-cell-organ
d)
cell-tissue-organ-system
35.
How does the circulatory system and the skeletal system work together?
a)
the circulatory system makes cells while the skeletal system transports the cells where the need to go
b)
the skeletal system makes cells while the circulatory system transports them where the need to go
c)
The circulatory system produces energy for the body and the skeletal system makes cells for the body
d)
The skeletal system digests food and the circulatory system brings air into the body
36.
How does the digestive system work with all other systems?
a)
The digestvie system transports blood to all the other systems
b)
The digestive system puts oxygen into the body
c)
The digestive system gives the body energy and nutrients
d)
The digestive system allows the body to move
37.
How does the cardiovascular system and the respiratory system work together?
a)
The cardiovascular system transports oxygen around the body while the repiratory system gives the body oxygen
b)
The cardiovascular system makes cells while the respiratory system moves them where they are suppose to go.
c)
The cardiovascular system allows the body to have energy while the repiratory system makes cells
d)
The cardiovascular system transports nutrients around the body while the respiratory system brings oxygen into the body
38.
Which of the following is a producer?
a)
Lion
b)
Cow
c)
Bee
d)
Grass
39.
Which of the following describe the non-living elements of an ecosystem?
a)
sun, plants, water
b)
rocks, air, water, sun
c)
consumers, producers, water
d)
air, water, decomposers
40.
Which of the following organisms breaks down organic wastes and dead organisms
a)
producers
b)
consumers
c)
decomposers
d)
carnivores
41.
When a plant producers their own food, what gas do they release into the atmosphere?
a)
carbon dioxide
b)
oxygen
c)
nitrogen
d)
helium
42.
Which organism always comes after the sun in a food chain?
a)
consumer
b)
herbivore
c)
omnivore
d)
producer
43.
Animals breathe in 1. _________ and breathe out 2.__________
a)
1. carbon dioxide 2.oxygen
b)
1. oxygen 2. carbon dioxide
c)
1. oxygen 2. oxygen
44.
a)
tundra
b)
tropical rainforest
c)
desert
d)
grassland
45.
The term "terrestrial" means
a)
land.
b)
water.
46.
The term "aquatic" means
a)
land.
b)
water.
47.
A "biome" is a group of plants and animals in the same region that have adapted together to the region's environment.
a)
True
b)
False
48.
a)
tundra
b)
tropical rainforest
c)
desert
d)
grassland
49.
a)
tundra
b)
tropical rainforest
c)
desert
d)
grassland
50.
a)
tundra
b)
tropical rainforest
c)
desert
d)
grassland
51.
a)
savanna
b)
temperate deciduous forest
c)
taiga/coniferous forest
52.
a)
savanna
b)
temperate deciduous forest
c)
taiga/coniferous forest
53.
a)
savanna
b)
temperate deciduous forest
c)
taiga/coniferous forest
54.
In which biome would you MOST LIKELY find this organism?
a)
savanna
b)
tropical rainforest
c)
temperate grassland
d)
tundra
55.
In which biome would you MOST LIKELY find this organism?
a)
tundra
b)
savanna
c)
temperate grassland
d)
tropical rainforest
56.
In which biome would you MOST LIKELY find this organism?
a)
tundra
b)
desert
c)
tropical rainforest
d)
temperate deciduous forest
57.
In which biome would you MOST LIKELY find this organism?
a)
temperate grassland
b)
desert
c)
tropical rainforest
d)
savanna
58.
In which biome would you MOST LIKELY find this organism?
a)
taiga/coniferous forest
b)
temperate deciduous forest
c)
tropical rainforest
d)
desert
59.
In which biome would you MOST LIKELY find this organism?
a)
open ocean upper region
b)
open ocean lower region
c)
pond
d)
river
60.
In which biome would you MOST LIKELY find this organism?
a)
open ocean upper region
b)
river
c)
pond
d)
open ocean lower region
61.
In which biome would you MOST LIKELY find this organism?
a)
tropical rainforest
b)
tundra
c)
desert
d)
temperate deciduous forest
62.
In which biome would you MOST LIKELY find these organisms?
a)
swamp
b)
lake
c)
pond
d)
ocean
63.
a)
lake
b)
marsh
c)
ocean
d)
river
64.
a)
river
b)
lake
c)
swamp
d)
marsh
65.
a)
river
b)
lake
c)
swamp
d)
marsh
66.
a)
river
b)
lake
c)
swamp
d)
marsh
67.
a)
arid
b)
humid
68.
a)
hot & arid
b)
warm & humid
69.
a)
marine/salt water
b)
fresh water
70.
a)
marine/saltwater
b)
freshwater
71.
a)
marine/saltwater
b)
freshwater
72.
These are the general weather conditions of an area over a long period of time.
a)
thermometer
b)
climate
c)
precipitation
d)
barometer
73.
This biome is also known as the "taiga".
a)
temperate deciduous forest
b)
tropical rainforest
c)
coniferous forest
d)
alpine tundra
74.
This is a biome that consists of trees that lose their leaves every year.
a)
tropical rainforest
b)
temperate deciduous forest
c)
coniferous forest
d)
tundra
75.
This type of water has a very low salt content when compared to the ocean.
a)
fresh water
b)
marine
76.
The permanently frozen soil below the arctic tundra.
a)
porafrost
b)
permafrost
c)
perlafrost
d)
polarfrost
77.
Biome with a salt water environment.
a)
marine
b)
fresh water
78.
Where fresh water mixes with salt water.
a)
river
b)
lake
c)
ocean
d)
estuary
79.
If an individual shows a recessive phenotype then the only genotype they can be is....
a)
homozygous dominant
b)
heterozygous
c)
homozygous recessive
d)
you can't tell
80.
What is a phenotype?
a)
The expression of a trait; physical appearance.
b)
refers to the genetic makeup of an individual
c)
An organism that has the same genes for a trait (ex. TT or tt)
d)
the passing of traits from parent to offspring
81.
What does heterozygous mean?
a)
An organism that has the same genes for a trait (TT or tt)
b)
An organism that has different genes for a trait (Tt)
c)
When neither gene is fully dominant; offspring is a mixture of both
d)
the different forms of a trait (hair color--> brown, blonde, red
82.
The passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
83.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
84.
Two heterozygous (Tt)tall pea plants are crossed. Which describes their offspring?
a)
50% tall and 50% short
b)
75%tall and 25% short
c)
100%short
85.
R=round seed
r=wrinkled seed.
Cross a homozygous round with a wrinkled. Which statement predicts the results?
r=wrinkled seed.
Cross a homozygous round with a wrinkled. Which statement predicts the results?
a)
offspring will be Rr
b)
offspring will be RR
c)
round seeds will be recessive to wrinkled
d)
Wrinkled will be observed in half of offspring
86.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
87.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
88.
Which of the following is NOT a genotype?
a)
heterozygous
b)
a trait
c)
Bb
d)
homozygous recessive
89.
AA and Aa always show up as
a)
dominant
b)
recessive
90.
aa always shows up as
a)
dominant
b)
recessive
91.
Aa is
a)
homozygous
b)
heterozygous
92.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both
93.
The scientific study of heredity is ____.
a)
Genetics
b)
Punnett squares
c)
Inheritance
d)
Biology
94.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
95.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
96.
In a certain species of animal, black fur (B) is dominant over tan fur (b). If two heterozygous parents were crossed what would the parent genotypes be?
a)
BBxbb
b)
BBxBb
c)
BbxBb
d)
bbxBb
97.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
98.
How many pairs of chromosomes are in your cells?
a)
23
b)
19
c)
12
d)
10
99.
If you have any questions about any of this who should you email?
a)
Charles Darwin
b)
Gregor Mendel
c)
Mrs. LaFond
d)
James Hooke
100.
Does Mrs. LaFond love science?
a)
Yes
b)
No
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