hb unit 1

Quantitative observation

numbers

Qualitative observation

observations

mRNA vaccine

A vaccine that uses a copied viral gene to instruct host cells to make a viral spike protein.

Carbon dioxide ($CO_2$)

A greenhouse gas that traps atmospheric heat and impacts global climate negatively.

Scarifying seeds

The process of scratching or breaking a seed's outer coat to allow water entry and germination.

Abscisic acid

A plant hormone that inhibits growth and does not allow seeds to germinate.

Gibberellic acid

A plant hormone that stimulates growth and allows seeds to germinate.

Compound microscope

An optical instrument used in class to magnify and view small specimens.

Photosynthesis

A metabolic process where plants turn sunlight energy into food.

Binary fission

A form of asexual reproduction in single-celled organisms where one cell divides into two equal cells.

Cells

The basic structural and functional units of all living things (e.g., nerve cells, muscle cells).

Tissues

An organized group of many cells of the same type working together (e.g., skeletal muscle tissue).

Organs

A structure composed of many tissues working together to carry out a specialized task (e.g., skin, heart, lungs).

Population

A group of organisms of the same species living in a designated area

Biome

Broad regional areas of the planet defined by similar climate conditions, ecosystems, and living things

Correlation vs. causation

Correlation means two or more variables change together in a pattern; causation means one variable directly produces a change in another.

Anthrax vaccine

An vaccine developed by heating anthrax bacteria to kill them and injecting them into sheep to induce antibody production.

Rabies vaccine

An vaccine developed from dried infected rabbit spinal cords, injected to stimulate an immune response against rabies.