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Honors Bio Midterm Exam Study Guide Flashcards | StudBud
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Honors Bio Midterm Exam Study Guide
Honors Bio Midterm Exam Study Guide
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Answers
1
How do you find out the number of neutrons
Look at the atomic number
Mass # - proton #
n° + protons
protons + e-
2
Atomic mass is protons + electrons
False
True
3
What is an independent (manipulated) varible?
what responds to the change
what is being changed by the scientist
a reference from another scientist to compare and analyze results
what remains constant (never changes), used to compare and analyze results
4
how do you find the mass #
Mass # - proton #
protons + e-
n° + protons
Look at the atomic number
5
Is the control variable what is being changed by the scientist?
True
False
6
Another name for the Earth is...
Gia
Terra
Biosphere
Mother Earth
7
how do you find out the number of protons
Look at the atomic number
Mass # - proton #
protons + e-
n° + protons
8
What is the difference between quantitative and qualitative data? (more than 1 right answer)
Qualitative data is data represented in numbers
Quantitative data is data represented in numbers
Quantitative data is words, pictures, and descriptions.
Qualitative data is words, pictures, and descriptions.
9
What is a theory?
An idea that is supported by lots of evidence
A guess about what could happen in the experiment
Broad scientific idea, well-tested, well-represented, supported by evidence
A specific idea that is well-tested, and supported by lots of evidence
10
What are the characteristics that define something as being alive? (DOGRACE)
RNA,Organized,Growth+Development,Respiration, Adapt+ respond, Cells, engery
DNA,Organism,Growth + Development,Reproduce, Adapt + respond, Cells,energy
DNA, Organized, Growth, Reproduce, Adapt + Respond, Cells, and energy
DNA,Organized, Growth + Development,Reproduce,Adapt + Respond, Cells,energy
11
What's the smallest level of organization living or non-living?
atom
organelle
molecule
subatomic particle
12
What are the charges of the subatomic particles?
Protons are Positive, Neutrons are Neutral, and Electrons are Negative
Protons are Neutral, Neutrons are positive and electrons are negative.
Protons are Positive, Neutrons are Negative and electrons are neutral.
Subatomic particles don't have charges
13
Electrons are found in the atom's shell
False
True
14
how do you find out the atomic # of an atom
Look at the atomic number
Mass # - proton #
protons + e-
n° + protons
15
What is a dependent (responding) variable ?
what remains constant (never changes), used to compare and analyze results
what responds to the change
a reference from another scientist to compare and analyze results
what is being changed by the scientist
16
What is a control variable?
what responds to the change
what remains constant (never changes), used to compare and analyze results
a reference from another scientist to compare and analyze results
what is being changed by the scientist
17
What is an atom made up of?
Protons, Enzymes, and Neutrinos
Neutrons, Enzymes, and Protons
Protons, Enzymes, and Neutrals
Electrons, Protons, and Neutrons
18
Is this image an accurate representation of Biotic and Abiotic things
False
True
19
A hypothesis is a proposed testable explanation for a...
natural event, based on prior knowledge and inferences
natural event, based on prior knowledge, observations, and inferences
biological event based on observations and glances
biological event, based on prior knowledge, observations, and inferences
20
What is the organization of life biggest to smallest? (this DOSEN'T include all of them)
organ, organelle, tissue, cell, molecule, atom, subatomic particle
organ, tissue, cell, organelle, molecule, atom, subatomic particle.
Subatomic particle, atom, molecule, organelle, cell, tissue, organ
Subatomic particle, molecule, atom, organelle, cell, tissue, organ
21
What makes up an atoms nucelus?
electrons and neutrons
protons and neutrons
neutrons
electrons and protons
22
What are valence electrons
All of the electrons
Electrons on the outermost shell
Electrons inside the outermost shell
All of the electrons charges
23
An isotope is...
atoms of the same element BUT have different amounts of neutrons and masses
c
d
a
24
What is an atomic number?
p+ and e-
e- and n°
n° and p+
n°, p+, and e-
25
Abiotic vs Biotic
Abiotic is living and Biotic is non-living
Biotic is non-living and living things in an ecosystem
Abiotic is non-living and living things in an ecosystem
Abiotic are non-living and Biotic is living
26
how do you find out the number of electrons
n° + protons
protons + e-
Look at the atomic number
Mass # - proton # = # of N°
27
Ecology is...
The study of energy
the study of ecosystems
the study of economy
the study of enzymes
28
Before the beginning of the 1st step of the scientific method, what must a scientist first do?
observe + define the problem
research what do to about the problem
research ideas
make a hypothesis
29
how do you find out the number of protons
Mass # - proton #
n° + protons
Look at the atomic number
protons + e-
30
What's the smallest level of organization living or non-living?
molecule
atom
subatomic particle
organelle
31
A hypothesis is only useful if it can be _________
supported
explained
observed
used
32
What is biology?
The study of ecosystems
The study of life
The study of the biosphere
The study of living things in a ecosytem
33
A controlled experiment allows a scientist to isolate and test how many variables?
2
4
1
3
34
What is homeostasis
maintaining a temporary, stable internal environment in order to survive
maintaining a constant, stable external environment in order to survive
maintaining a constant, stable internal environment in order to survive
maintaining a temporary, stable external environment in order to survive
