Tomato seeds typically germinate in 7-10 days under optimal conditions.

Humans have five different classes of antibodies: IgA, IgD, IgE, IgG, and IgM.

The human digestive system produces approximately 20 different types of enzymes.

A single plant family typically contains 10-50 genera.

Most plants require around 12 hours of light for optimal photosynthesis.

The epidermis in dicot plants typically consists of a single layer of cells.

The epidermis in dicotyledonous plants typically consists of a single layer of cells.

A typical dicot stem has two layers of vascular tissue: xylem and phloem.

A typical bean plant can produce around 6 leaves in its first month of growth.

An average adult inhales about 4-6 liters of air per minute at rest.

There are 4 major divisions in the plant kingdom: Bryophyta, Pteridophyta, Gymnospermae, and Angiospermae.

Sterilization at 160°C dry heat typically requires 60 minutes of exposure.

A total of 18 ATP molecules are produced for each glucose molecule synthesized.

A total of 36 ATP molecules are produced in the light-dependent reactions for every glucose molecule synthesized.

Six molecules of carbon dioxide are required to produce one molecule of glucose in the Calvin cycle.

Six molecules of CO2 are required to produce one molecule of glucose in the Calvin cycle.

Humans have 23 pairs of chromosomes, totaling 46.

A typical flower in the Asteraceae family has 10 petals.

A single sunflower head can produce around 200 seeds on average.

A single sunflower head can produce around 1000 seeds, depending on the variety.

A typical sunflower head can produce around 1000 seeds.

It is estimated that there are around 400,000 species within the plant kingdom.

It is estimated that there are about 400,000 species of flowering plants.

There are approximately 5500 recognized species of mammals.

There are three stages in human labor: dilation, expulsion, and placental.

The typical life cycle of a flowering plant includes 4 stages: germination, growth, reproduction, and death.

An average adult human has 32 teeth, including wisdom teeth.

There are two main types of phloem cells involved in transport: sieve elements and companion cells.

There are two main types of phloem cells: sieve elements and companion cells.

There are 4 primary types of plant hormones involved in growth regulation: auxins, gibberellins, cytokinins, and abscisic acid.