Biology Units Study Guide #1

What is the criteria for life? (there is 6)

Answer explanation

Cells

Growth and development

metabolism and energy

homeostasis

sense and respond to stimuli

DNA and reproduction

Why are cells considered the most basic unit of life?

Answer explanation

They are small, contained, separated, and they can do all the criteria for life.

Can science prove anything?

• maybe

• yes

• no

• not sure

Choose the correct scientific method.

• 1. Observe and ask questions

  2. research

  3. hypothesis

  4. experiment

  5. analyze data

  6. conclusion

• 1. research

  2. hypothesis

  3. experiment

  4. conclusion

• 1. Gather information and draw conclusions

  2. Make predictions and test them

  3. Collect data and interpret results

  4. Formulate theories and observe results

• 1. Observe and ask questions

  2. hypothesis

  3. experiment

  4. analyze data

  5. conclusion

List some tools used in biology.

Which of the following particles are found in the nucleus of an atom?

• electrons and protons

• protons and neutrons

• electrons and neutrons

• only protons

An atom has 13 protons and 10 neutrons... how many electrons?

• 13

• 21

• 10

• none

A covalent bond forms when..

• two atoms share a pair of electrons

• protons are shared between atoms

• electron is transferred from one atom to another

What 6 elements make up most of living matter?

Answer explanation

carbon

hydrogen

phosphorus

nitrogen

oxygen

sulfur

Select ALL the properties of water.

• Universal solvent and adhesion

• high heat capacity and cohesion

• density

• high heat capacity and float

• polar compound