Bio Quiziz
the process by which a new community replaces another community that has been partially ot totally destroyed
secondary succession
A(n) ______ is a substance with a pH less than 7
Acid
Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
Mass of the ball
symbiotic relationship in which both organisms benefit
Mutualism
an electron has this charge
Negative
The three main subatomic particles are electrons, protons and ____________.
Neutrons
electrons are found in the __________
Shells
Which of the following is a term for a group of similar organisms that can reproduce fertile offspring?
Species
Living things do all of the following except:
They do not change
What is the atomic mass of "F"
19
How many electrons does a Copper atom have?
29
calculate the proton number of Se-2
34
calculate the neutron number of Zn+2
35
calculate the electron number of Se-2
36
calculate the neutron number of Se-2
45
How many electrons does an Iodine atom have?
53
Read this scientific tool to the nearest millimeter.
71mm
An elephant is in kingdom ________.
Anamalia
What is the number highlighted?
Atomic mass
Which term is the same as producer?
Autotroph
A(n) _______ is a substance with a pH greater than 7.
Base
Why are advantageous traits more likely to be passed onto offspring?
Because they are more likely to survive and reproduce.
Monosaccharides are
Carbohydrates
The element _______is found in all of the organic compounds.
Carbon
The variables in an experiment that stay the same are the -
Constants
What factors cannot be changed in a scientific experiment?
Constants
Study of interactions between organisms and their environment
Ecology
Which particle contributes the negative charge to the atom?
Electron
Which particle does not contribute mass to the atom?
Electron
diagram that shows the energy available to each trophic level in an ecosystem; 10% is passed on to upper levels, the rest is lost as heat
Energy pyramid
The process by which all organisms change slowly over time because of slight gene variations is called
Evolution
True or False: It is possible for a carnivore to be a producer.
False
True or false, Most organisms use nitrogen directly from the air.
False
This is a model representing the many interconnected food chains and and pathways in which energy flows in an ecosystem.
Food web
Water changing from a liquid to a solid
Freezing
An earthquake causes an ocean channel top open and separate an island into two. the species on each section are now in
Geographic isolation
Trail mix is an example of what mixture?
Heterogeneous Mixture
Which of the following would be a good question for scientists to consider?
How many seals can a killer whale consume per day?
A testable prediction about a scientific investigation
Hypothesis
atoms of the same element with different numbers of neutrons are...
Isotopes
The process of bacteria capturing and converting nitrogen into a form that is usable by plants.
Nitrogen fixation
What does this number represent?
Number of Protons
What is the atomic number?
Number of protons
A living relationship between two species in which one organism is harmed is called...
Parasitism
Which of the following do living things not need to survive?
Permanent home
In what process do plants use carbon dioxide?
Photosynthesis
A rose bush is an example of a(n)
Plant
Identify each correct food chain that demonstrates the energy flow of this food web.
Plant>Snail>Bluebird>Eagle
the process by which a new community forms where no community lived before
Primary succession
atoms have neutrons and ________ in the nucleus
Protons
Most of the mass in an atom is made up of _____________________?
Protons and Neutrons
Mr. McNeice wanted to know if different types of music affected people's pulse rates, so he played different music and checked their pulses. What is the dependent variable?
Pulse rate
The more we conserve the more _______we will have.
Resources
Ionic Bonding involves...
The transfer of electrons
Genetic differences between organisms of the same species
Variation
Should experiments be repeated over and over to see if the results are the same each time?
Yes
Mr. S. normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. Identify the dependent variable.
amount of times the dog follows the command
Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the dependent variable.
distance traveled by the ball
Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known as
homologous structures
Based on the adaptations Darwin observed in finches and tortoises in the Galapagos, he wondered
if species living on different islands had once been members of the same species
What is the first step in a commonly used scientific method?
recognizing a problem
What is the charge of an atom that has lost one electron?
+1
What is the charge of an atom that has gained one electron?
-1
What will nitrogen's charge be as an ion?
-3
The pH scale is a range from:
0-14
How much of Chemical X did the control group receive?
0ml
The amount of energy that usually transfers from one trophic level to the next...
10%
1m = ?cm
100
Proteins are made of monomers called ___________
Amino Acids
Water temperature would be an example of ...
An abiotic factor
Ions are:
atoms with a positive or negative charge
Which of the following phrases best describes the results of natural selection?
changes in the inherited characteristics of a population over time
Mutations are important because they bring about
genetic variation needed for a population to evolve
What role do these organisms play in their ecosystem as they break down matter?
decomposer
Darwin's observation that finches of different species on the Galapagos have many similar physical traits supports the hypothesis that these finches
descended from a common ancestor
Organisms that are classified as producers are able to
make their own food
What is the Dichotomous Key?
step by step approach to identify an organism using a series of paired descriptions
