Search Results for: cones
Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads
Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads ... Read More
Chlorophyll
Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More
Vascular plants
Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More
Seed Plants
There are two main subdivisions of seed plants—the ones without covered seeds, the gymnosperms, and the ones with covered... Read More
Young-helmholtz theory of colour vision
'''Young-helmholtz theory of color vision A theory that there are three perceiving elements in the retina: red, green, and... Read More
Secondary succession
We all have come across news where forest lands got destroyed by wildfires. Or sometimes we have read about an entire... Read More
Human Perception – Neurology
A better understanding of human perception unlocks the key to how the mind works, an advantage when working with people with... Read More
Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More
Angiosperm
Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More
Pollen Grain
What are Pollen Grains? Plants are unique structures and so they carry out mechanisms in special ways. Fertilization in... Read More
Gymnosperm
Definition noun, plural: gymnosperms A vascular plant in which the seeds are not enclosed by a ripened ovary... Read More
Vascular Plants: Ferns and Relatives
These plants are seedless plants, but unlike the bryophytes, they do have vascular tissue (xylem and phloem). Because of the... Read More
Cross-pollination
Definition noun (botany) A type of pollination in which the pollen from the anther of a flower is transferred to the stigma... Read More
Sense organ
Definition noun, plural: sense organs An organ or structure that has nerve endings capable of detecting and reacting to a... Read More
Self pollination
Definition noun (botany) A type of pollination in which the pollen from the anther of the flower is transferred to the... Read More
Photoreceptor
Photoreceptor (Science: cell biology) A specialised cell type in a multicellular organism that is sensitive to light. This... Read More
Sporophyte
Sporophyte Definition What is a sporophyte? Accordingly, the sporophyte is the plant generation that produces spores. To... Read More
Blindness – Evolutionary regression? Maybe not!
The recent Netflix's hit flick, Bird Box, surely startled the viewers with the thrilling scenarios revolving around the... Read More