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Scientific Method and Characteristics of Life Unit Review Flashcards | StudBud
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Scientific Method and Characteristics of Life Unit Review
Scientific Method and Characteristics of Life Unit Review
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1
If water is moving into a plant, where is there a higher concentration of
salt
?
Outside the cell
Inside the cell
2
What process is shown in this diagram?
Mitosis
Osmosis
Reproduction
Diffusion
3
Which variable is
measured
to see if it is changed throughout the experiment
Experimental Group
Dependent variable
Independent variable
Constants
4
What is the EXPERIMENTAL group in this experiment
Plants that were watered with milk
Amount of sun each plant received
Plant height
Plants that were watered with water
5
Salt is harmful to ALL ecosystems
False
True
6
Which way does water move when a cell from a fresh water plant is placed into a very salty solution
Into the cell
Out of the cell
7
Which of the following is
NOT
a characteristic of life?
Responds to environment
Populations change over time
Uses energy
Uses oxygen
8
A group that is used for comparison and does NOT receive the Independent variable is called...
Control Group
Dependent Variable
Experimental Group
Constants
9
What is the effect of salt water on radish seeds?
Radish seeds will take in too much water and not germinate
Radish seeds will not take in water and not germinate as much
The saltier the better for radish seeds
10
Which variables must be the same throughout the experimental AND control groups?
Constants / controlled variables
Dependent variable
Control group
Independent variable
11
All living organisms are composed of the basic unit of life - cells.
True
False
12
Which variable is measured in both the experimental and control groups?
Independent variable
Control group
Dependent variable
Constants / Controlled variable
13
Which of these is a major impact of urbanization?
Increased runoff into streams
Increased salt levels in streams
Increased erosion of stream beds
All of the above
14
In order to get water to move INTO a cell, the cell must have a ____________ water concentration than the environment
Higher
Water doesn't move
Lower
Equal
15
What is the INDEPENDENT variable in this experiment?
Watering with Milk
Plant Height
Tomato plants
Watering with Water
16
What is the DEPENDENT variable for this experiment?
Watering with milk
Plant height
Watering with water
Tomato plants
17
Organisms from which ecosystem would be most affected by increased salt?
Forest
Ocean
Estuary
Marsh
18
Asexual reproduction requires only ONE parent
False
True
19
This image is an example of which characteristic of life?
Grow and develop
Respond to environment
Populations evolve over time
Reproduction
20
Which molecule moves across a membrane through
OSMOSIS
Oxygen
Water
Carbon Dioxide
Diffusion
