stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Chapter 1: What is life Flashcards | StudBud
Explore
/
Chapter 1: What is life
A hypothesis must be:
The Biosphere is the global ecosystem
Chapter 1: What is life
31 terms
·
StudBud Administration
·
3 plays
Imported from external platform
Flashcards
31 cards
F
Practice quiz
P
Host live
L
Questions
31
Answers
1
The Biosphere is the global ecosystem
True
False
2
A hypothesis must be:
A tentative explanation for one or more observations
Testable and broad
testable and narrow
falsifiable through data collection
3
What is a molecule?
The smallest unit of a prue substance
a group of chemically joined elements
a group of chemically joined atoms
The fundemental unit of life
4
In an excperiment, the placebo contains more of the active ingredient to elevate potancy. It is given to the control.
True
False
5
A community is all populations that occupy the same region.
False
True
6
What is an experiment?
an investigation done over a long amount of time
an investigation that must be aproved
an investigation carried out in controlled conditions
A way to prove a hypothosis
7
The scientific method hierarchy contains:
Data collection, data analysis, second excperiment, and peer review
Experiment, data collection, analysis, and peer review
Observations and questions, hypothesis and prediction, experiment approvel
Observations and questions, hypothesis and prediction
8
What is an Ecosystem
All multi and unicellular species living in the same area
The living and nonliving components of an area
all species of autotrophs and decomposers living in the same region
the microscopic life in all regions
9
Organisms only contain multicellular life
False
True
10
Tissue is present in both multicellular and unicellular life
False
True
11
What is statisical analysis?
It is used to see if the excperiment proved or disproved the hypothesis
all of the above
It is used to review data
it is used to test the probibility of the data being a fluke
12
What is the dependant variable?
the varible that is the product of a fnished excperiment
the varable that depends on the value of the independent variable
the varible that the entire excperiment depends on
the variable that yeilds a response via the effects of another variable
13
A sample size is the number of individuals assigned to each treatment in an experiment
False
True
14
What is an Organ? Where are they present?
Tissues that are organized to carry out the most crucial jobs for organisms
A structure consisting of tissues that interact and carry out specific jobs
They are most commonly in multicellular life
They are never present in unicellular life
15
Homeosatsis is the state of enternal consistancy
True
False
16
A prediction is an "if-also" statment
True
False
17
What is Population? Where is it present?
Multicellular life only
Unicellular life and multicellular life
A group of the same species of organisms living in the same place and time.
All species of organisms living in the same place at the same time
18
What is an Organelle?
A membrane-bound structure that has a specific function within a cell
A membrane-bound structure that communicates to other parts of a cell
membrane-bound structures that allow all cells to carry out specific jobs
A group of physically joined structures that function within a cell
19
An Atom is the smallest unit of life
False
True
20
The cell is the fundemental unit of life
True
False
21
What is the Hierarchy of life?
Atom, Molecule, Organelle, Cell, Tissue, Organ, Organ System,
Atom, Molecule, Cell, Organelle, Organ, Tissue, Organ System
Organism, Community, Population, Ecosystem, Biosphere
Organism, Population, Community, Ecosystem, Bioshpere
22
Organ systems must be connected physically to be able to function
False
True
23
What is metabolism
Chemical reactions that allow reproductions
Chemicall reactions that allow an organism to build and break structurs
Chemical reactions that allow an organism to attain and use energy
Chemical reactions that allow an organism to produce wast
24
The scientific method is used to test ideas
True
False
25
What is the independent variable
the only variable that is not manipulated
the variable that is directly manipulated to affect other variables
the varible that is reviewed in data analysis
the variable that is indepenently affected in an excperiment
26
The control is the basis for conparison in an excperiment
True
False
27
An organism is a single living individual
True
False
28
What are the Characteristics of Life?
Organazation, consistancy, energy use, growth, reproduction
Homeostasis, consistancy, reproduction, metobolism, orginization
Reproduction, sight, consistancy, organazation, metobolism
Organization, energy use, homeostasis, reproduction, Evolution
29
What is Tissue?
Cells that function in a coordinated fashion that must be physically joined
A collection of specialized cells that function in a coordinated fashion
Chemically or physically joind organelles that carry out specific functions
30
A theory is:
Relativly the same as a hypothesis except that it is more accepted
Narrower than a hypothesis
A concrete explentaion for a natrual phenomena
None of the above
31
The standardized varible is the varible that is held constant
True
False
