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Intro to Bio Test Review 2020 Flashcards | StudBud
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Intro to Bio Test Review 2020
Intro to Bio Test Review 2020
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nature of science characteristics of life scientific method
Flashcards
20 cards
F
Practice quiz
P
Host live
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Questions
20
Answers
1
What is the independent variable in this graph?
Year
Mobile Phone Sales
2
A word to describe change over time is:
cell
reproduction
organism
evolution
3
IF a person uses a higher SPF, THEN they will get less sunburned. This is an example of a:
Hypothesis
problem/question
dependent variable
independent variable
4
True or False: Positive feedback moves in both directions.
True
False
5
Which of the following is NOT a characteristic of all living things?
growth and development
ability to move
ability to reproduce
response to the environment
6
Identify the dependent variable in the following hypothesis.
Amount of Water
Change in Temperature
Amount of Calcium Chloride
Change in Viscosity
7
In all of our cells there is DNA. Which characteristic does this fact best describe?
Living things are based on a universal genetic code.
Living things respond to their environment.
Living things grow and develop
Living things maintain internal balance.
8
Which of the characteristics of living things best explains why birds fly south for the winter?
living things maintain internal balance
living things are based on a universal genetic code
living things are made up of units called cells
living things respond to their environment
9
The process by which organisms keep everything inside their bodies within certain limits
photosynthesis
homeostasis
evolution
metabolism
10
True or False: The independent variable is the one you measure.
False
True
11
What is the independent variable?
(Y,X)
(Y,Y)
Y
X
12
Which best explains why your legs and arms get longer and stronger as you get older?
Living things grow and develop
Living things maintain internal balance.
Living things are made up of units called cells.
Living things respond to their environment.
13
What type of feedback? Earth warms, ice melts, exposing soil. Temp rises, more ice melts.
Negative
Positive
14
True or False: The independent variable is the variable that you change.
True
False
15
Observation or Inference: The sun rose at 6:54 am this morning.
Inference
Observation
16
I use different weed killers to see which one kills the most weeds. Independent Variable?
Most weeds
Types of weed killers
Amount of weeds killed
Types of weeds
17
What type of feedback regulates our body temperature with sweating and shivering?
Negative
Positive
18
True or False: Negative feedback moves in both directions.
False
True
19
How many independent variables can you have in an experiment?
3
1
2
as many as you want
20
I use different weed killers to see which one kills the most weeds. Dependent Variable?
Types of weed killers
Most weeds
Amount of weeds killed
Types of weeds
