Describe The Structure Of Mature Sporangium In Pteridophytes.
Large sporangium was seen in primitive fossils pteridophytes. Even in primitive ferns, sporangia are large. However, in advanced forms, reduced... View Article
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What Are The Types Of Sori Classified Based On Pattern Of Maturation Of Sporangia?
Sorus is a group of sporangia produced on the adaxial/abaxial surface of the sporophylls in ferns. Based on the pattern... View Article
Describe The Evolution Of Sorus In Pteridophytes.
Sorus is a group of sporangia produced on the adaxial/abaxial surface of the sporophylls in ferns. Sporangia sometimes can be... View Article
What Is Apospory In Pteridophytes?
It is an abnormality seen in the life cycle of pteridophytes. On several occasions, it is seen that chromosome number... View Article
What Is Apogamy In Pteridophytes?
It is an abnormality seen in the life cycle of pteridophytes. Sometimes, the regular alternation of chromosome numbers is impaired... View Article
Is Alternation Of Generations A Survival Strategy?
Yes, alternation of generation is a survival strategy wherein the plant alternates between different reproductive techniques. Through meiosis, mature sporophytes... View Article
How Do Fertilization And Zygote Formation Take Place In Pteridophytes?
Fertilization occurs with the help of water. Cap cells of antheridia are pushed down releasing antherozoids when a film of... View Article
What Is Calyptra In Mosses?
The zygote develops into an embryo soon after fertilization which differentiates into the seta, foot and sporangium. The foot seeps... View Article
What Are Leptoids?
A few mosses have a layer of cells known as leptoids. It resembles the sieve cells of vascular plants. Leptoids... View Article
How Does Marchantia Reproduce Asexually?
Marchantia reproduces asexually in two ways – By small clumps of tissues known as gemmae. These are produced in small... View Article
Why Does The Sporangium Grow Upwards From The Base Of Hornworts?
The tip of the capsule, when mature, splits into two valves thus releasing spores. Just above the foot, a meristematic... View Article
Describe Cuticle In Bryophytes.
Cuticle and stomata appear first in Bryophytes. These new attributes can work as they do in most of the plants... View Article
Describe Stomata In Bryophytes.
Cuticle and stomata appear first in Bryophytes. These new traits became vital adaptations to survive on land and essentially plants... View Article
Write About The Sporophyte Evolution In Bryophytes.
One of the most significant transformations of early bryophytes were multicellular sporophytes. There are two steps that are responsible for... View Article
What Are The 5 Characteristics Of Anthocerotopsida?
These are the five characteristics of Anthocerotopsida – Presence of smooth rhizoids The thallus in them has a uniform internal... View Article
What Are The 5 Characteristics Of Hepaticopsida?
These are the five characteristics of Hepaticopsida – Their plant body is foliose or thalloid, lobed, prostate, dichotomously branched. Their... View Article
Is Chlorine A Micronutrient?
Yes. Chlorine is an essential micronutrient required by all plants in small quantities. In plants, chlorine participates in several physiological... View Article
Is Algae A Seaweed?
Algae and seaweed are two groups of photosynthetic organisms that grow in aquatic habitats such as marine and freshwater habitats.... View Article
Is Cholesterol A Lipid?
Cholesterol is a type of lipid found in most body tissues. Lipids are a class of organic compounds, which are... View Article
Is A Kiwi A Berry?
Yes, kiwi is a true berry, with furry brownish-green skin. It is an oval-shaped fruit, which is about the size... View Article
