Biology Midterm Review 2024-2025

Life’s basic unit of structure and function is the

• gene

• cell

• organism

• species

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

______ involves maintaining stable internal conditions such as temperature and oxygen levels.

• Homeostasis

• Evolution

• Reproduction

• Metabolism

Tags

NGSS.HS-LS1-3

Which of the following is true?

• the atomic number equals the number of bonds an atom can make

• the nucleus of an atom is composed of the three types subatomic particles

• an atom has an equal number of protons(+) and electrons(-)

• the mass of an atom is equal to the number of protons

Tags

NGSS.HS-PS1-7

In a controlled experiment, the _________________ is the observation of results or data.

• dependent variable

• independent variable

• control group

• constant

Which best describes why carbon is an ideal center atom for a variety of molecular structures?

• carbon is very reactive

• carbon atoms can form 4 covalent bonds

• carbon atoms attract other atoms with their positive charge

• this is not the correct answer

Tags

NGSS.HS-LS1-6

Multicellular organisms grow by

• homeostasis

• each cell getting bigger over time

• dividing their cells in order to gain more cells

• photosynthesis

Tags

NGSS.HS-LS1-4

Animals, plants and fungi are composed of which type of cell?

• Archaeic

• Prokaryotic

• Eukaryotic

In the diagram to the right, which letter is pointing to hydrogen bonds?

• A

• B

• neither

Property of water that allows ponds to freeze only at the surface, protecting the life inside of it.

• universal solvent

• ice is less dense than water

• cohesion allows for surface tension

• neutral pH

Tags

NGSS.HS-ESS2-5

Which best describes why water has a high heat capacity?

• Water has a weak surface tension, so it absorbs heat easily

• The hydrogen bonds between water molecules take a great deal of energy to break

• Water molecules contract when heated

• Water heats up much quicker than the surrounding air