Bio 101 - Unit 1 Exam Review FL23

Which of the following is an example of gene flow?

Which of these was one of Darwins origional observations?

An atoms electronegativity is a measure of its...?

Why does ice float?

Which of the following makes the valence shell 'full'?

An ionic bond is the transfer of electrons between atoms

Which of the following is considered data?

Which of the following is NOT a characteristic of a theory?

Which of the following is a step in testing hypotheses?

Science and technology are independant of each other.

Which is an example of 'interactions within and between systems'?

Human blood is neutral.

Chemical reactions can create and destroy matter, instead of rearranging it.

An atom's mass number is the sum of the number of protons and neutrons in the nucleus.

Hydrogen bonds are considered 'strong' bonds.

An ion is an atoms of molecule with an electrical charge resulting in the gain or loss of one or more electrons.

Natural selection was origionally described by Charles Darwin as...

Our bodies are made up mostly of what four elements?

Which of the following describes Darwins observation of 'individual variation'?

An element can be broken down by ordinary chemical means.

Two rapidly moving electrons (-) form a cloud of _____ charge around the nucleus.

Which of these described the dependent variable?

Which of these lists of hierarchies is listed largest to smallest?

Acids are...?

A red panda has a small bone proturding from its wrist, this is an example of what?

Diversity refers to...

A molecule is...

Bleach is acidic.

Thermal energy is when this occurs..?

Atomic number is equal to...?

A subatomic particle with a single positive electrical charge (+), is what?

Which of the following is true of good science?

pH stands for potential hydrogen.

Hydrogen bonds are weak in numbers but strong by themselves.

Which of the following is an example of evaporative cooling?

When electrons are shared equally because two atoms have the same electronegativity, it is a...?

What is the main requirement of a hypothesis?

Living things are made up of what?

If a population of Moths suddenly experienced darkening of their environment, they would then become darker in color.

An independent variable in an experiment, is the variable that is manipulated.

Which of the following describes the solute?

Which of the following is an example of 'life depends on the flow of information'?

A double covalent bond is...?

pH buffers do what?

Biology is the study of...

Atoms that do not transfer electrons, but actually share electrons between then are called?

Why are most biological fluids classified as aqueous solutions?

Different isotopes of an element have different number of protons and same number of neutrons.

Cations have which of the following?

Your body maintaining a stable internal environment is an example of 'interactions between and within systems'?

What domain includes, portabella mushrooms and shitake mushrooms?

Observational studies are often used to test hypothesis on humans

A compound consists of two or more of the same elements conbined in a fixed ratio?

Waters unusually high surface tension gives bugs the ability to walk on water.