The sections of the light spectrum which the âredâ and âgreenâ cones perceive overlap and this is why red and green colour vision deficiencies are often known as red/green colour blindness and why people with red and green deficiencies see the world in a similar way.
Bird's Nest Fern Another of our favorites, bird's nest fern is a slow-growing plant with bright green fronds that radiate from the center of the plant, creating a vase or bird's nest shape. It's versatile and easy to grow. Silver Brake Fern Create a distinctive look in your home with this fern.
Most ferns are small plants that lack woody tissue. In this lab you will investigate the diversity of pterophytes, including whisk fens, horsetails and a variety of ferns. The plants on display are sporophytes, the dominant generation in seedless vascular plants.Procedure: 1. Examine a living whisk fern on display. This is one of only two extant genera of Psilophytes. Observe the spherical structures on the stem.n this lab you will investigate the diversity of pterophytes, including whisk fens, horsetails and a variety of ferns. The plants on display are sporophytes, the dominant generation in seedless vascular plants. Procedure: 1. Examine a living whisk fern on display. This is one of only two extant genera of Psilophytes.