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Benchmark 1 Review Units 4&5 Flashcards | StudBud
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Benchmark 1 Review Units 4&5
Benchmark 1 Review Units 4&5
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Answers
1
What type of natural selection is depicted below?
Non Selection
Directional Selection
Disruptive Selection
Stabilizing Selection
2
A photosynthetic autotroph is a plant that makes its own food.
True
False
3
What are the 2 types of variation required for natural selection to take place?
natural selection and evolution
genetic variation and variation in how genes are expressed as traits
Directional and Stabilizing Selection
Adaptation and genetic variation
4
An alternative form of a gene is called a(n) ____________.
gene
mRNA
allele
fossil
5
Mitosis' purpose is to..
Replace damaged cells
Produce new cells
All of the above
Growth
6
What is the ultimate fate of fish during a Harmful Algae Bloom (HAB)?
Surviving fish will reproduce
Both Red and Blue
Most fish will die
7
If there is an error or mutation in the DNA Sequence below, what would happen?
Both Red and Blue
The new protein is used in EVERY cell
The new protein made will have the same function as the original
The new protein made will have a different function as the original
8
The Central Dogma of Genetics Explains...
Translation--> Transcription
DNA --> mRNA --> Protein
mRNA--> DNA-->Protein
DNA-->Protein-->mRNA
9
What phase of mitosis is this cell in?
Interphase
Prophase
Metaphase
Anaphase
10
What does the muscular system do?
Holds up your body
Helps you breathe
Allows you to move
Helps you digest food
11
what does the respiratory system do
to take oxygen in and dispose of carbon dioxide
controls body functions
to break down foods
12
What does the nervous system do
Transmits signals through body to make your body parts react
Fights disease in the body
Fights disease in the body
13
Energy is conserved in a trophic pyramid and lost as heat to the higher levels.
True
False
14
Which correctly explains why marine organisms can be found high up in mountain ranges?
Wind
People moved them
plate tectonics
Aliens
15
A group of organ systems create a ________?
Tissue
Cells
Organ
Organism
16
What type of natural selection is shown here?
Disruptive Selection
Stabilizing Selection
Directional Selection
17
A good example(s) of a negative feedback loop is/are:
blood sugar levels
all of the above
body temperature
blood pressure
18
Tissue of a cell
Unspecialized cell
Something around the cell
Something that covers the cell
A group of similar types of cells that work together.
19
What is the correct equation for photosynthesis?
Light +6CO2 + 6H2O --> 6O2 +C6H12O6 (Glucose)
Light +6CO2 --> 6O2 +C6H12O6 (Glucose) + 6H2O
Light + 6H2O --> 6O2 + 6CO2+ C6H12O6 (Glucose)
6CO2 + 6H2O --> 6O2 +C6H12O6 (Glucose)
20
Farmers can help with algae bloom by
mixing nitrogen with the fertilizer.
allowing less phosphorus to get into the water system.
weeding more.
tilling their land more.
21
What are the phases of mitosis?
prophase, Prometaphase , metaphase, anaphase, and telophase
prophase, Prometaphase , metaphase, and anaphase
prophase, prometaphase, anaphase, and telophase
prophase, prometaphase, metaphase and telophase
22
How do homologous structures show evidence of evolution
Similar structures across species came from a common ancestor
Homologous structures have the same function but organisms are not related
Homologous structures are non-similar structures
Analogous structures provide evidence of common ancestry
23
Negative feedback...
Increases stimulus to cause reaction
Increases stimulus to stop a reaction
Brings the body above normal
Brings the body back to normal
24
Divergent Evolution is when 2 organisms with a common ancestor diverge into separate species.
True
False
25
What does your excretory system do?
Lets you dance
Controls your body
Lets out extra water and liquid waste
Protects the muscles and has the biggest organ
26
Photosynthesis converts_______________ to ______________ energy.
Chemical to Mechanical
Light to Chemical (Glucose)
Light to Thermal
Chemical to Thermal
27
cell differentiation is......
the process in which a cell changes from one cell type to another.
when two cells are the same.
a type of cell that is abnormal.
a type of cell that is 100% the sma eas another cell.
28
How does adaptation provide evidence for evolution?
Adaptation hides species from evolving
It doesn't
It allows favorable traits to be selected against
It allows favorable traits to be passed on, leading to speciation
29
DNA for red blood cells are in EVERY cell in the human body, but only cells that turn on those genes are made into RBCs.
False
True
30
Which of the 4 basic principles of Natural selection is FALSE?
none of the traits are inherited
some offspring survive on available resources
Individuals in a population show variation in traits
traits that increase fitness have a greater chance of being passed on
31
Why do dominant traits increase in a population over time while recessive traits decrease?
Dominant traits are selected for because of competitive advantage + fitness
Species can choose which type of trait they want to express
Recessive traits are selected for because of competitive advantage
Recessive traits result in increased fitness
32
What type of genetic drift is the picture showing?
Sympatric Speciation
Allopatric Speciation
Founder Effect
Bottleneck
33
Charles Darwin's Theory of Evolution states that _________ is the mechanism for evolution.
fitness
trait
evolution
natural selection
34
What was Charles Darwin's hypothesis?
New species spontaneously appear over time.
New species evolve identically to be just like their common ancestor
New species gradually appear through small changes in ancestral species.
Natural selection has nothing to do with evolution
35
What type of natural selection is shown here?
Directional Selection
Disruptive Selection
Stabilizing Selection
36
What does the circulatory system do?
Supports and protects the body
Excretes waste
Digests food
Circulates blood that holds oxygen and nutrients through the body
37
How did polar bears evolve from brown bears?
They believed, so they acheived.
An accumulation of mutations that led to expression of advantageous traits
A combination of directional selection for white fur +allopatric speciation
Both Red and Blue
38
What does the Digestive System do?
It carries oxygen to each of the body cells.
It breaks down food and absorbs nutrients
It brings oxygen into the body and get rid of carbon dioxide.
It sends messages from the brain throughout the body.
39
Which is not a type of adaptation
antimicrobial resistance
mimicry
camoflauge
directional selection
40
What does your skeletal system do?
Protects the main organs and provides structure
Maintains sickness by producing white blood cells
Lets your body move
Spooky scary skeleton
