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Semester 1 MEGA Quizizz - Seventh Science

Total questions: 115

Worksheet time: 2hrs 56mins

Name
Class
Date
1.

During heredity what is passed on to offspring from parents?

a)

Genetic information

b)

Only the dominant genes

c)

Only the dominant alleles

d)

All phenotypes

2.

Which list correctly places DNA, Genes Chromosomes, and Nucleus in order from most simple to most complex?

a)

Genes are sections of DNA which are found in the chromosomes located in the nucleus of a eukaryotic cells.

b)

DNA are sections of genes which are found in the chromosomes located in the nucleus of a eukaryotic cells.

c)

Genes are sections of DNA which are found in the nuclues located in the chromosomes of a eukaryotic cells.

d)

Genes are sections of chromosomes which are found in the DNA located in the nucleus of a eukaryotic cells.

3.

(True or False) An organism created through asexual reproduction will ALWAYS have the same genetic traits as it's parent.

a)

True

b)

False

4.

How does the DNA and genetic traits of organisms which reproduce sexually compare to organisms that reproduce asexually?

a)

Only the offspring produced by sexual reproduction will be genetically diverse (different genes/DNA) than the parents.

b)

Only the offspring produced by asexual reproduction will be genetically diverse (different genes/DNA) than the parents.

c)

Both versions of reproduction produce organism that are genetically diverse (different genes/DNA) than the parents.

d)

Neither version of reproduction produces organism that re genetically diverse (different genes/DNA) than the parents.

5.

Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.

a)

Protein

b)

DNA

c)

RNA

d)

Glucose nucleic acid (GNA)

6.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
7.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
8.

B = brown eyes

b = blue eyes

One brother has genotype BB and the other brother has genotype Bb.

Which statement is true about these two brothers?

a)

They have same phenotype and genotype

b)

They have different phenotypes and genotypes

c)

They have same phenotype, but different genotypes

d)

They have different phenotypes, but the same genotype

9.

Which of the following would be a phenotype?

a)

Aa

b)

red hair

c)

heterozygous

d)

DNA

10.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
11.

Which of the following genotypes is homozygous recessive?

a)

Tt

b)

tt

c)

TT

d)

tT

12.

How many alleles are in the genotype for a simple trait?

a)

1

b)

2

c)

3

d)

4

13.

What are the phenotype percentages of the offspring?

(A-Brown fur color; a-white fur color)

a)

50 % Brown fur and 50% White fur

b)

25 % Brown fur and 75% White fur

c)

75 % Brown fur and 25% White fur

d)

0% Brown fur and 100% White fur

14.
In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?
a)
0%
b)
25%
c)
50%
d)
75%
15.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
16.

If a heterozygous parent and a homozygous recessive parent mate, what percentage of their offspring will be dominant?

a)

25%

b)

50%

c)

75%

d)

100%

17.
What ratio of the offspring from the cross shown will be homozygous recessive for the  trait of tallness? 
a)
0 in 4
b)
1 in 4
c)
2 in 4
d)
4 in 4
18.
In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?
a)
25%
b)
0%
c)
100%
d)
50%
19.

The passing of traits from parent to offspring.

a)

Heredity

b)

Gene

c)

Allele

d)

Purebred

20.

A reproductive process that involves ONLY ONE parent and produces offspring that are identical to the parent.

a)

Sexual Reproduction

b)

Asexual Reproduction

c)

Selective Breeding

21.
How many parents does asexual reproduction involve?
a)
one 
b)
two
c)
three
d)
four
22.
The offspring from asexually reproduced organisms are?
a)
Different than their parents
b)
Identical to parents
c)
Like a combination from both parents
d)
A different species
23.
All of the offspring of an organism have the same genetic material, which is identical to the parent organism. From this, we can conclude that this organism -
a)
makes its own food
b)
is unicellular
c)
live in a marine habitat
d)
reproduces asexually
24.
Fishermen work hard to catch and remove all the starfish that get into their “underwater farms” where they raise clams & oysters. In the past, they put the starfish into their boats, cut them up with knives, and then throw the pieces of starfish overboard. They thought this would kill the starfish. What they did not know was that each piece of starfish will grow into a whole new animal. What type of asexual reproduction is taking place?
a)
Regeneration
b)
Vegetative propagation
c)
Budding
d)
Fission
25.
This occurs when an offspring grows from a piece of its parent. Examples include Sea Stars, Sea urchins, sea cucumber, sponges, and planarians
a)
Vegetative propagation
b)
Budding
c)
Regeneration
d)
Fission
26.

Asexual reproduction like mitosis produces

a)

Two offspring cells with the same genetic material as the parent cell.

b)

Two offspring cells with half genetic material as the parent cell.

c)

Four offspring cells with the same genetic material as the parent cell.

d)

Four offspring cells with half the genetic material as the parent cell.

27.

Water that flows along Earth's surface to eventually return to the ocean is called ___.

a)

Runoff

b)

Storm drain

c)

Surface water

d)

Tributary

28.
The water that fills lakes and rivers
a)
groundwater
b)
surface water
c)
water table
d)
saturated zone
29.
Water stored  in cracks and pores below the Earth's surface is called:
a)
Groundwater
b)
Bogs
c)
Water in the ground
d)
surface water
30.
Water from precipitation soaks down through permeable rock and soil layers.  These layers contain air as well as water, so they are NOT filled, with water.  This top layer is the 
a)
unsaturated zone
b)
saturated zone
31.
The use of pesticides and fertilizers is carefully monitored 
because of the effect they can have on the environment. 
Which of the following is a possible negative effect of the use 
of these chemical on the environment?
a)
Runoff carries these chemicals into lakes and streams.
b)
Theses chemicals cannot be purchased in large bulk.
c)

These chemicals are expensive to produce.
d)
Storage space for these chemicals is limited.
32.

All bodies of fresh water, salt water, ice, and snow that are found above ground

a)

Groundwater

b)

Surface water

c)

Runoff

d)

Swimming pool

33.
Which of the following is NOT a type of chemical weathering?
a)
water
b)
carbon dioxide
c)
ice wedging
d)
living organisms secreting acid to break down rocks
34.
What is erosion?
a)
The process by which
water, ice, wind or gravity
moves fragments of rock
and soil.
b)
The process by which
water, ice, wind or gravity
deposit rock sediments
and soil in a new place.
c)
The breaking down of
Earth’s crust into smaller
and smaller pieces.
35.
Which of the following is NOT a type of physical weathering?
a)
burrowing plants
b)
ice wedging
c)
plant roots
d)
acid rain
36.

Which type of stream is most likely to cause the greatest amount of erosion?

a)

A slowly moving stream with a small amount of water.

b)

A quickly moving stream with a small amount of water.

c)

A quickly moving stream with a large amount of water.

d)

A slow moving stream with a large amount of water.

37.

As a beach experiences weathering and erosion what typically happens to the amount of beach land available?

a)

The amount of beach land increases due to deposition

b)

The amount of beach land decreases due to erosion

c)

The amount of beach land increases due to erosion

d)

The amount of beach land decreases due to deposition

38.

Contaminated (polluted) water sinks down through the layers of soil into an aquifer. This is referred to as groundwater pollution. Which of the following is NOT a true statement regarding groundwater pollution?

a)

The water enters the groundwater supply because of runoff

b)

Gravity pulls the water down through the layers of soil

c)

The layers of soil must be permeable for the water to flow downwards through it

d)

Water flowing down through permeable layers due to gravity is referred to as percolation

39.

The carbonic acid in rainwater that created the caverns and aquifers that we find under Texas is an example of physical weathering.

a)

True

b)

False

40.

During succession when do animal species begin to populate an area?

a)

When the resources they depend on such as food and space to live appear

b)

As soon as soil is available

c)

Once the area reaches a stable climax community

d)

As soon as natural predators arrive in the area

41.

As available habitat decreases, competition between organisms increases.

a)

True

b)

False

42.

Succession is an increase in a population of plants and animals.

a)

True

b)

False

43.

T or F: Succession increases biodiversity.

a)

True

b)

False

44.

What is an example of a disturbance that could bring about secondary succession?

a)

Humans cut down many trees in a small region

b)

A volcanic eruption covers a village in lava.

45.

___ are the first organisms to colonize an area and begin the process of ecological succession.

a)

foundational organisms

b)

introductory organisms

c)

primary organisms

d)

pioneer species

46.
Series of changes where an existing community is destroyed
a)
primary succession
b)
secondary succession
c)
commensalism
d)
competition
47.
this type of succession occurs after a forest fire
a)
primary succession
b)
secondary succession
c)
both
48.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
49.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
50.

A student walks the schoolyard and observes that there are many living things such as different plants and animals. She notices that moss grows in moist shady areas but did not see any in the open yard where its sunny. What is the best explanation for her observation?

a)

Different habitats support different plants and animals

b)

All plants and animals can live in any environment

c)

Schoolyards are not able to sustain living things

d)

Schoolyards are the only places where moss can grow.

51.

You observe a garden in a schoolyard. Corn, tomatoes, pumpkins, and other crops thrive in the garden. What is most likely true of the soil in this micro-habitat?

a)

It is dry and frozen

b)

It is rocky, sandy, and dry

c)

It is deep, dark, and nutrient rich

d)

It is thin, acidic, and nutrient poor.

52.

How is a tundra biome similar to a desert biome

a)

Both biomes have dry rocky soils

b)

Both biomes lack plants or animals

c)

Both biomes are hot during the day and cold at night

d)

Both biomes are characterized by very little precipitation.

53.

Which of the following most likely supports the most sustainable ecosystem?

a)

The habitat with the greater number of green plants

b)

The habitat with the greatest variety of living things

c)

The habitat with the warmest average temperature

d)

The habitat with the greatest number of consumers

54.

A tree in the Grasslands that is home to more than 20 different species of organisms is called a ____

a)

Biome

b)

Sustainability

c)

Microhabitat

d)

Tree home

55.

Which of the following biomes is considered the most biodiverse?

a)

The ocean

b)

The tundra

c)

The rainforest

d)

The grasslands

56.
which of the following defines habitat?
a)
an area with only abiotic factors
b)
a large a area of land that is known for its climate and oranganisms
c)
a  small area in a habitat with food water and shelter for organisms to live 
d)
an area that that provides food,shelter and food and for organisms  and can contain many microhabitats.
57.
In this tundra food web, if grasses were removed what would happen to the sustainability of the ecosystem?
a)
There would be an overpopulation of arctic hares and lemmings.
b)
Polar bears would move to a new ecosystem
c)
The ecosystem would collapse because it lost its main producer
d)
Wildflowers would die out from the ecosystem
58.
Which biome features permanently frozen soil called permafrost?
a)
Coniferous Forest
b)
Deciduous Forest
c)
Desert
d)
Tundra
59.

Refer to the food webs above. If the grasses in each ecosystem are attacked or killed by a disease, which ecosystem will most likely survive?

a)

The prairie ecosystem, because fewer organisms eat grass

b)

The tundra ecosystem, because there is a variety of producers

c)

The prairie ecosystem, because there are fewer top predators

d)

The tundra ecosystem, because it has more herbivores

60.

The most sustainable ecosystem would

a)

Have low biodiversity

b)

Have high biodiversity

c)

Not experience change

d)

Have no predators

61.
Which biome is characterized by low temperatures and low amounts of rainfall?
a)
tundra
b)
desert
c)
temperate deciduous forest
d)
tropical rain forest
62.
The biome known for trees with broad leaves that fall off the trees in the winter.
a)
Coniferous Forests
b)
Deciduous Forests
c)
Deserts
d)
Tropical Rain Forests
63.
What is the main factor that separates the biomes?
a)
Land
b)
Water
c)
Climate
d)
Longitude
64.
Which biome could an animal who hibernates in the winter to survive the cold live in?
a)
Grasslands
b)
Taiga
c)
Desert
d)
Rainforest
65.
this cold biome has tall trees that photosynthesize all year round
a)
Tundra
b)
Tropical Rainforest
c)
Taiga
d)
Deciduous
66.

Which of the following is an adaption to survive in the desert?

a)

needle leaves

b)

dormancy

c)

nocturnal

d)

hibernation

67.

1. The ecosystem with the greatest sustainability will be the one that has the –

a)

greatest variety of different organisms

b)

highest annual precipitation

c)

lowest population of harmful insects

d)

fastest growing season of green plants

68.

Which of the following removes carbon from the atmosphere?

a)

Decomposition of organic matter

b)

Aerobic cellular respiration

c)

Photosynthesis by autotrophs

d)

Burning a piece of wood

69.

Which organism has the largest available energy in this ecosystem?

a)

Frog

b)

Perch

c)

Land Plants

d)

Thrush

70.
Most producers get energy from the Sun using the process of
a)
cellular respiration
b)
chemosynthesis
c)
photosynthesis
d)
consumption
71.
A consumer gets energy by
a)
absorbing sunlight.
b)
breaking down dead organisms.
c)
soaking it up from the ground.
d)
feeding on other organisms.
72.

Eco.1 Where does your energy ultimately come from?

a)

the soil

b)

the air

c)

the water

d)

the sun

73.

Eco.2 Eventually, all the energy currently in organisms will end up...

a)

being used again by a producer.

b)

being heat in the environment.

c)

being destroyed by a decomposer.

d)

being recycled back to the sun.

74.

Eco.3 Where does most of the matter in a producer come from?

a)

the sun and the air

b)

the air and the water

c)

the water and the soil

d)

the air and the soil

75.

Eco.5 What do decomposers do to matter in dead organisms and waste?

a)

Convert it to energy

b)

Destroy it

c)

Turn it into sugar

d)

Break it down to raw materials

e)

Use it so it turns into heat

76.

Eco.6 What is the fox in this food web?

a)

Producer

b)

Primary Consumer

c)

Secondary Consumer

d)

Tertiary Consumer

77.

Eco.6 Who is a carnivore in this food web?

a)

Fox

b)

Rabbit

c)

Bird

d)

Mouse

78.

Eco.8 T/F: If owls decrease, so will mice.

a)

True

b)

False

79.
Which choice has a group of only producers?
a)
red wolf, coyote, grey wolf
b)
sunflower, grass, pine tree
c)
mushrooms and worms
d)
seaweed, algae, mushrooms
80.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
81.

Primary consumers are _______________.

a)

autotrophs

b)

herbivores

c)

carnivores

d)

top carnivores

82.

A pyramid of ENERGY always decreases in size as you move up the trophic levels.

a)

True

b)

False

83.

This equation represents the process of _____________.

a)

photosynthesis

b)

cellular respiration

c)

ecological succession

84.

When the frog eats the grasshopper, how much energy is transferred to the consumer?

a)

1%

b)

10%

c)

90%

d)

Energy cannot be transferred.

85.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
86.
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
a)
10 Kcal
b)
1 Kcal
c)
100 Kcal
d)
1000 Kcal
87.
If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?
a)
coyote
b)
insect
c)
lizard
d)
shrub
88.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
89.
In an energy pyramid, energy_______ as you move up the pyramid.
a)
Increases
b)
Decreases
c)
Stays the same
d)
Changes up and down
90.
About 10% of the energy at one trophic level is passed to the next level. What usually happens to the energy that is not passed to the next trophic level or used to carry out life processes?
a)
It is given off as heat.
b)
It is stored as vitamins
c)
It is used in reproduction.
d)
It is used in protein synthesis.
91.

Select all that are products of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

92.
What major energy transformation occurs during photosynthesis?
a)
Thermal --> Chemical
b)
Kinetic --> Radiant
c)
Chemical --> Radiant
d)
Radiant --> Chemical
93.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
94.

Which planet would be the most likely place to observe for life?

a)

A

b)

B

c)

C

d)

D

95.

Which of the following characteristics of the planet Jupiter most likely makes it impossible for life to exist?

a)

1,200 times more volume than earth

b)

has 63 moons

c)

average temperature of -145 degrees Celsius

d)

rotational period of 10 hours

96.

Which characteristic of earth is most responsible for its ability to support life?

a)

carbon dioxide present in the atmosphere

b)

earth is terrestrial

c)

proximity to the sun

d)

presence of ice

97.

1)On a space mission, the gravitational environment can negatively affect the bone density of astronauts. Which accommodation will most likely protect the bone health of the crew on a space mission?

a)

drinking extra fluids

b)

eating more calories

c)

wearing protective clothing while inside the space vehicle

d)

engaging in a daily routine using exercise equipment

98.
If Earth were much smaller, it would not support life because it would not have enough mass to
a)
collect needed radiant energy from the Sun.
b)
maintain a gravitational pull on the Moon.
c)
have sufficient gravity to hold an atmosphere.
d)
rotate on its axis once per day.
99.
How does Carbon Dioxide in Earth's atmosphere allow Earth to support life? 
a)
Animals need Carbon Dioxide to breathe.
b)
Carbon Dioxide traps radiation from the sun to warm Earth and is used by plants in photosynthesis.
c)
Carbon Dioxide is produced by plants so that animals can breathe.
d)
Carbon Dioxide is needed to make water.
100.
Define habitable zone.
a)
a vehicle propelled by the exhaust made from burning fuel
b)
an area that is just the right distance from the sun, or other star, that it is not too hot or too cold to support life
c)
matter that contains carbon which includes all living things
d)
the study of the origin, development, distribution, and future of life on Earth and in the universe
101.

What force holds Earth's atmosphere in place?

a)

Gravity

b)

the weight of the atmosphere is sufficient to hold the atmosphere in place.

c)

This spinning of the the Earth creates teh force needed to hold teh atmosphere in place.

d)

None of these.

102.

An area that deflects and traps harmful particles, and results from the interaction between Earth's magnetic field and solar winds is called...

a)

atmosphere

b)

ozone layer

c)

magnetic fields

d)

magnetosphere

103.

What # planet is Jupiter away from the sun?

a)

3

b)

4

c)

5

d)

6

104.

Earth's core provides a magnetic field that protects us from...

a)

Meteors

b)

Comets

c)

Solar Winds & Radiation

d)

Aliens

105.

Where else is water found in our solar system?

a)

Mars

b)

Saturn's Moon Titan

c)

Jupiter's moon Europa

d)

All of these are correct

106.

Planets or Moons with lots of craters on them have no . . .

a)

Water

b)

Atmosphere

c)

Life

d)

Magnetic Field

107.

Astronauts need all of the following to survive in space EXCEPT-

a)

gravity

b)

oxygen to breathe

c)

exercise

d)

protective clothing

108.

Radios are not required for astronauts to talk to each other when they are in the same room inside the space station because -

a)

A space station is filled with air that carries sound waves

b)

astronauts keep their helmets on inside the space station

c)

computers are used to communicate inside the station

d)

astronauts communicate with sign language in the space station

109.

What design element of an astronaut’s spacesuit protects him or her from micrometeoroids, which are tiny bits of space debris travelling at high speeds?

a)

large oxygen tank

b)

powerful jet packs

c)

small radio communicator

d)

tough outer shell

110.

How does the International Space Station help explore space?

a)

It allows astronauts to travel between Earth and the moon.

b)

It allows scientists to live in space and do experiments.

c)

It allows probes to refuel before they launch into space.

d)

It allows data to be sent from satellites back to Earth.

111.
Which is not accommodated for in the structure of a space suit?
a)
microgravity
b)
air pressure
c)
oxygen needs
d)
temperature regulation
112.

Identify the following items need to be taken into consideration when planning human space travel except –

a)

Access to oxygen, food, and water

b)

Atmospheric thickness of neighboring planets

c)

Extreme temperatures and pressure

d)

Protection from solar radiation

113.
Astronaut beds have straps attached to provide a safe sleeping environment. What condition of space do the straps accommodate?
a)
Lack of oxygen
b)
Vacuum of space
c)
Microgravity environment
d)
Extreme temperatures
114.

Water is an important necessity in space. How do astronauts accommodate water usage in space?

a)

Filter & Recycle their own urine

b)

Fuse Oxygen & Hydrogen into H2O

c)

NASA sends more water everyday

d)

All of these are correct

115.

Which of the following items would not be needed for an unmanned space mission?

a)

rocket fuel

b)

communication system

c)

oxygen tanks

d)

electrical systems

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