Q&A

What are the characteristics of palms?

What are the characteristics of palms?

Most palms are distinguished by their large, compound, evergreen leaves, known as fronds, arranged at the top of an unbranched stem. However, palms exhibit an enormous diversity in physical characteristics and inhabit nearly every type of habitat within their range, from rainforests to deserts.

What are the characteristics of a ferns?

Ferns generally reproduce by producing spores. Similar to flowering plants, ferns have roots, stems and leaves. However, unlike flowering plants, ferns do not have flowers or seeds; instead, they usually reproduce sexually by tiny spores or sometimes can reproduce vegetatively, as exemplified by the walking fern.

What are palms of hands?

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The palm comprises the underside of the human hand. Also known as the broad palm or metacarpus, it consists of the area between the five phalanges (finger bones) and the carpus (wrist joint).

What are the characteristics of shrubs?

Characteristics of a Shrub

  • Lack of a trunk: They branch near the ground, hence do not have a well-defined trunk and rather have many stems.
  • Broad leave plants: Shrubs are usually as such.
  • Hardy plants: They grow in all types of soil and are hardy.
  • Shrubs are seasonal since they generally thrive in a sunny environment.

Why do we have 5 fingers?

Five digits for everybody In fact, the ancestor of all modern tetrapods — mammals, reptiles, amphibians and birds — had five digits on each of its four limbs back in the Devonian period, 420 to 360 million years ago. Essentially, we have five digits because our ancestors did.

What is palm called?

Also known as the broad palm or metacarpus, it consists of the area between the five phalanges (finger bones) and the carpus (wrist joint). …

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What are characteristics of trees?

A tree is a plant with a tall structure comprised of a stem and branches to support leaves and a root system than anchors the stem as well as procures and stores essential growth elements, such as water and nutrients.

What are the characteristics of ferns?

Some characteristics of ferns are: they are vascular plants, they have roots and leaves (called fronds) and in some cases they have true stems. Ferns and fern allies are Pteridophytes. Pteridophytes is a phylum under the scientific classification system. There are more than 13,000 species.

What is the stem of fern called?

The stem is underground rhizome in most of the ferns. Some primitive ferns have above-ground stem with tree-like habit. They are called tree ferns, e.g., Cyathaea, Celeotium. A tree fern is like a small palm. It may reach a maximum height of 20 m.

How do ferns reproduce?

A single fern produces multitudes of spores in a lifetime, but few survive. Spores are just the first step in fern reproduction. The spores that find hospitable conditions form simple, heart-shaped, 1/2-inch-wide plants called prothallia, which lie on the soil. These inconspicuous plants form male and female organs.

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Are all ferns homosporous?

A few ferns, such as the royal ferns, are intermediate between eusporangiate and leptosporangiate types. All eusporangiate and most leptosporangiate ferns are homosporous but two small groups of leptosporangiate ferns are heterosporous.