Which two biomes get the most amount of rainfall?

Deciduous Forest and Rainforest

Balanced forces are acting on the object in which of the following situations?

a balloon rising in to the sky at a constant speed

A ball is thrown upward, as it rises it

gains potential energy and loses kinetic

in comparison to fresh water, salt water

is more dense and has a lower freezing temp.

Are represented with lower case letters.

What is the density of salt water?

It doesn't have one because it isn't a pure substance.

Which two biomes get the most amount of rainfall?

Deciduous Forest and Rainforest

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Science Review 1

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Questions 76

Answers

1
The nervous system would be a good example of a ______________ system.
Hub and Spoke
Biotic
Closed
Open
2
A substance boils at 200 degrees F and freezes at -5 degrees F. At 70 degrees F it is a
liquid
It is impossible to tell.
solid
gas
3
Which of the following best represents a homozygous recessive genotype?
aa
AA
AB
Aa
4
Which two biomes get the most amount of rainfall?
Tundra and Taiga
Grassland and Rainforest
Deciduous Forest and Rainforest
Tundra and Desert
5
Which would be heating up an ice cream cone that falls on the ground?
all three
conduction
radiation
convection
6
What is another name for a teritiary consumer?
Member of the 2nd Trophic Level
Producer
Carnivore
Heterozygous
7
Who is known as the Father of Genetics?
Charles Darwin
Gregor Mendel
Isaac Newton
Albert Einstein
8
Which is an inherited trait in dogs?
fur color
ability to roll over
barking to go outside to do its business
shaking on command
9
If producers decline, the populations of all other trophic levels would
Decrease
You can't tell.
Remain Unaffected
Increase
10
Which of the following is biotic?
soil
water
air
bacteria
11
Which is composed of organelles?
Cell
Gene
DNA
Molecule
12
What do we call organisms that convert light to chemical energy?
Photosynthesis
Autotrophs
Consumers
Heterotrophs
13
Which of the following is an autotroph?
frog and mice
trees and shrubs
lion and snake
rabbits and insects
14
Recessive traits
Mask dominant ones.
Are rare.
Are masked by dominant ones.
Are Heterozygous.
15
Balanced forces are acting on the object in which of the following situations?
a biker speeding up as he goes down a hill
a balloon rising in to the sky at a constant speed
a car turning a corner
a ball slowing down
16
What type of Kingdom would typically be composed of unicellular organisms with a nucleus?
Protozoan
Eukaryote
Plants
Bacteria
17
A ball is thrown upward, as it rises it
loses kinetic and potential energy
gains kinetic and potential energy
gains potential energy and loses kinetic
gains kinetic energy and loses potential
18
Which of the following best represents a heterozygous genotype?
Aa
AA
aa
AB
19
Which pair of organisms would be in competition with one another?
mice and insects
owl and lion
mice and shrubs
hawk and mouse
20
A decline in insects would most likely
Increase their predators
Increase producers
Decrease producers
Not impact other organisms in the foodweb
21
Another name for trees, like oaks and maples that we have in PA, is
Deciduous
Scrubs
Conifers
Savannas
22
Producers are most diverse in
Grasslands
Deciduous Forests
Taiga
Rainforests
23
Which of the following is a primary consumer in the food web below?
rabbits and insects
frog and mice
mice and shrubs
lion and snake
24
If two heterozygous organism are mated, what % of the offspring would have the recessive trait?
25%
100%
50%
75%
25
A group of tissues that function together is known as a/an
organelle
organism
organ
cell
26
in comparison to fresh water, salt water
is less dense and has a lower freezing temp.
is more dense and has a lower freezing temp.
is more dense and has a higher freezing temp.
is less dense and has a higher freezing temp.
27
Recessive traits
Are represented with lower case letters.
Mask dominant ones.
Are mutations.
Are Heterozygous.
28
Which would most likely cause a decline in all other trophic levels?
Decrease in producers.
Increase in autotrophs.
Increase in consumers.
Decrease in heterotrophs.
29
What type of Kingdom would be composed of cells that lack a nucleus?
Protozoan
Bacteria
Eukaryote
Plants
30
The carrying capacity of top consumers is most likely limited due to
Rainfall
Predators
Temperature
Available energy
31
What is the density of salt water?
1 g/mL
3 g/mL
.5 g/mL
It doesn't have one because it isn't a pure substance.
32
What organelles would be found in plant cells, but not animal cells?
Cell Wall and Chloroplast
Mitochondria and Cell Membrane
Cell Wall and Cytoplasm
Cell Membrane and Lysosomes
33
Which two terms have the same meaning?
heterozygous and pure
homozygous and hybrid
heterozygous and hybrid
homozygous and heterotroph
34
Which is a renewable resources
water
coal
uranium
natural gas
35
The controlled variables
stay the same
is changed by the scientist
are designed to make the experiment bias
is the data
36
Which is a closed system?
toaster
ecosystem
stapler
refrigerator
37
Which of the following is a secondary consumer in the food web below?
mice and shrubs
lion and snake
frog and mice
rabbits and insects
38
A group of cells that function together is known as a/an
organ
tissue
organism
organelle
39
Shale and limestone that form as rock particles become new rock are
sedimentary rocks
igneous rocks
They could be examples of several types.
metamorphic rocks
40
What organelles are found in all cells?
Nucleus
Ribosomes and mitochondria
Cell membrane and ribosomes
Cell wall and hearts
41
What is the basic unit of matter?
Cell
Atom
Gene
Water
42
Which of the following could not be used to identify a substance?
freezing point
volume
solubility
boiling point
43
Which of the following is the least complex?
Organism
Tissue
Organ
Cell
44
What type of Kingdom would be composed of cells that lack a nucleus?
Plants
Bacteria
Eukaryote
Protozoan
45
Which two biomes get the most amount of rainfall?
Tundra and Desert
Deciduous Forest and Rainforest
Tundra and Taiga
Grassland and Rainforest
46
Which of the following could be used to identify a substance?
mass
volume
density
color
47
What is a mutation?
A phenotype.
The basic unit of inheritance.
Change in DNA or genes.
A homozygous individual.
48
Substances with a density above 1 g/mL
sink in water
float in water
may float or sink, depending on their weight
my float or sink, depending on their volume
49
What organelle is found in all cells?
Nucleus
Cell wall
Cell Membrane
Mitochondria
50
Which flow of energy is correct?
consumer-producer-autotroph
autrotroph-consumer-decomposer
decomposer-producer-consumer
producer-decomposer-autotroph
51
What is the basic unit of inheritance?
Atom
Mutation
Gene
Cell
52
If a stapler is sitting on a table, the upward force on the stapler is
friction
gravity
normal
unbalanced
53
Which of the following could not be used to identify a substance?
melting point
density
mass
solubility
54
If two heterozygous organism are mated, what % of the offspring would have the dominant trait?
75%
50%
100%
25%
55
A increase in insects would most likely
Decrease autotrophs
Increase their prey
Decrease organisms on the second trophic level
Decrease consumers
56
A theory is
an idea of what will happen during an experiment
an explanation based on lots of evidence
an opinion about scientific fact
a fact or hypothesis used in science
57
Substances with a density below 1 g/mL
sink in water
may float or sink, depending on their weight
my float or sink, depending on their volume
float in water
58
Which is not a hub and spoke system?
postal system
computer networking
ecosystem
airports
59
Which of the following is/are pure?
compounds and mixtures
elements only
compounds and elements
mixtures only
60
What is another name for a tertiary consumer?
Heterozygous
Carnivore
Member of the 2nd Trophic Level
Producer
61
What is the term for a trait or characteristics gotten from DNA?
Dominant
Acquired
Inherited
Recessive
62
What type of Kingdom would be composed of cells that always lack a cell wall?
Eukaryote
Bacteria
Animal
Protozoan
63
What is an adaptation that would be beneficial no matter what biome an animal is part of?
Shedding a winter coat
Small ears to stay warm
Large ears to cool down
Camouflage
64
100% of the offspring would have the dominant phenotype when
none of the above, it is impossible
both parents are heterozygous
a heterozygous and homozygous recessive organism mate
a heterozygous and homozygous dominant organism mate
65
Mutations are important because
they can cause variation
the cause biodiversity
they can turn into adaptations over long periods of time
all of the above
66
Soil would be the most rich in nutrients in
Deciduous Forest
Rainforest
Desert
Grasslands
67
Which would be heating up the road on a sunny day?
all three
convection
conduction
radiation
68
Which biome is mostly very dry, with a rainy season?
Boreal Forest
Desert
Taiga
Grassland
69
Which of the following is the most complex?
Multicellular Organism
Organ
Cell
Tissue
70
A positive effect of pesticides is
cancer causing chemicals getting into water
radioactive waste
ecosystems being affected
more abundant harvests
71
When a ball falls, it
gains kinetic energy and loses potential
loses kinetic and potential energy
gains kinetic and potential energy
gains potential energy and loses kinetic
72
In a food web, which direction would arrows go?
from consumers to producers
from consumers to heterotrophs
from producers to consumers
from heterotrophs to autotrophs
73
Unbalanced forces would cause an object to
remain at rest
move at a constant speed
come to a stop
continue sitting on a desk
74
What do we call organisms that convert light to chemical energy?
Consumers
Bacteria
Producers
Heterotrophs
75
What is the term for a trait or characteristics developed after birth?
Recessive
Dominant
Acquired
Inherited
76
What organelles are found in all cells?
Hearts
Mitochondria
Nucleus
Ribosomes

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