Bio 101 - Unit 1 Exam Review FL23

Hydrogen bonds are considered 'strong' bonds.

Which of the following is considered data?

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

Living things are made up of what?

Hydrogen bonds are weak in numbers but strong by themselves.

An ionic bond is the transfer of electrons between atoms

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

Which of the following is true of good science?

Science and technology are independant of each other.

Observational studies are often used to test hypothesis on humans

Biology is the study of...

Atomic number is equal to...?

A double covalent bond is...?

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

What domain includes, portabella mushrooms and shitake mushrooms?

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

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

Our bodies are made up mostly of what four elements?

Which of the following is a step in testing hypotheses?

pH stands for potential hydrogen.

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

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

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

Which of the following is an example of evaporative cooling?

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

Why does ice float?

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

Cations have which of the following?

An element can be broken down by ordinary chemical means.

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

Which of these was one of Darwins origional observations?

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

Acids are...?

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

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

Bleach is acidic.

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

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

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

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

What is the main requirement of a hypothesis?

Which of the following is an example of gene flow?

Human blood is neutral.

Which of these described the dependent variable?

Why are most biological fluids classified as aqueous solutions?

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

Thermal energy is when this occurs..?

pH buffers do what?

A molecule is...

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

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

Which of the following describes the solute?

Diversity refers to...

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