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