Transcript Fall Semester Review Answers Powerpoint

Fall Semester Review
Answers PowerPoint
Questions by R. Neill
PowerPoint by K. Pease
1. What is the first thing you should do
if you have an accident in the lab?

Tell the teacher
2. If density is the measurement of
mass in a certain volume, what
tools would you use?
 A:
if it was a liquid
 (graduated cylinder)
 B: if it was a solid
 (trip beam balance)
3. How would you set up an
experiment to test if the temperature of
water affects the breathing rate of a
goldfish?





Three fish bowls
1 water at room temp
1 water at colder then room temp
1 water at hotter then room temp
Way in each to measure breathing rate
4. A new skin lotion has been
developed to treat teenage facial
acne…
 Manipulated
Variable
 Types of lotion
 Responding Variable
 Way teens acne reacts
5. Two different companies are
competing to develop the new teen
acne cream. Company A has performed
hundreds of tests on different teens,
and company B has performed sixty
tests on different teens. Which
company will have more accurate
results from their testing? Why?

Company A, the more test done the more
ways to prove results with less variance
Body System
Function
6.
Enables the body to move: keep the heart beating
7.
Sends messages throughout the body
8.
Controls many body process by means of chemicals: helps the body maintain
homeostasis
9.
Produces offspring
10.
Supports and protects the body: makes blood cells
11. Integumentary
12. Respiratory
13. Excretory
14. Digestion
15. Circulatory
16. Describe the physical changes
in digestion:
 Mechanical:
teeth grind and tear apart food
 Stomach grinds and churns food

17. Describe the chemical changes
in digestion:
 Salvia
break down starches
 Enzymes break down starches
and proteins
 Lipids break down fats
18. Describe the energy transformation
in digestion from chemical energy to
_____ used in muscle activity.

mechanical
19. Describe the three types of
blood vessels:
 Veins:
take oxygen poor blood to
heart
 Arteries: take oxygen rich blood
to heart
 Capillaries: allow oxygen/carbon
dioxide to move from vessels to
cells and cells to vessels.
20. In your stomach, enzymes help
break down __________ molecules
into ___________ molecules.
 Starch
 Simple
sugars
21. What internal structure of a
bird allows them the function to
fly?

Hallow bones
22. What structure (response) is
affected by phototropism (stimulus)?

Plants grow toward light
23. What structure (response) is
affected by turgor pressure (stimulus)?

Amount of water in the vacuole of the cell
pushes against the cell wall that in turn
aids the plant in standing up straight on
its own
24. What structure is affected by
adrenaline when seeing a furious dog
(stimulus) causing you to fight or flight
(response)?
 Adrenal
gland found in the
endocrine system releases
adrenaline to prepare body to
fight or run
25. Classify the following organisms by
their type of reproduction…
A= Asexual S=Sexual




__ Yeast (budding)
___ Flowers (pollination
__ Planarian
___ Leaf cuttings/runners
__ Pine Trees
___ Amoeba (binary fission)
__ Starfish (regeneration) __ Humans
26.
Parents
Offspring
Genetic
material
Sexual reproduction
Asexual reproduction
27. What is the cause of you looking
more like one parent or grandparent?
 Your
Heredity
 You inherit your traits from your
biological parents
28. Models are used to show a
relationship of things that are
impossible to see naturally. Using
the following science terms, match
them to the writing terms:

See next slide
___
 ___
 ___
 ___
 ___

chromosome
cell
DNA
Gene
Nucleus
A: contains the DNA
 B: determines our traits
 C: made up of genes
 D: basic unit of life
 E: made up of chromosomes

29. Cross out
30. How did Mendel’s research
relate to inherited traits?
 He
determined that the
offspring will look like the
parents that are used to create
it
31. One dog carries Bb for black fur
traits and mates with a dog that
carries bb fur traits. Calculate the
probability of a puppy having black fur
using a punnet square. Black is
Dominant.

Phenotype

Genotype
32. What is the homozygous
genotype in problem #31?
bb
33. What is the heterozygous
genotype in problem #31?
 Bb
34. Identify the following as
inherited or environmental…
 Hair color
 Ear lobe
 Intelligence
 Athletic ability
 Nose shape
 Ability to ride a bike
35. How man has changed the
traits of organisms through time is
_____________. An example
is______________.
 Selective
breeding
 Different breeds of dogs
35. Darwin’s finches is an example of
_________ because those offspring
that do survive are best adapted to
their environment and will pass their
genes on to their offspring.
 Natural
Selection
36. An example of natural selection is
the color of a flowers petals since it
attracts ___________ for pollination.
 insects
37. Calculate the work needed to push
a box up a 5m ramp with a force of
25n.
 Work
= force x distance
 ?= 25n x 5m
 ?= 125j
38. Calculate the work done to lift the
box 25n.
 Unable
to do due to not
knowing the distance it was
lifted up
39. What is the advantage to using
a ramp?


Less force is needed to move the object
Makes the job easier
40. What is blood pressure?
 The
rate the hearts pumps the
blood through the heart
41. Place the structures in their three
human body systems which provide the
same functions as the structures in a house.
House
Bricks and roof
Plumbing pipes
Doors and
windows
Electrical wires
Garbage
disposal
Integumentary Digestive
excretory