Question

Explain in detail about gymnosperms and angiosperms

Answer 1

Angiosperms are commonly known as flowering plants that can be clearly distinguished from gymnosperms by certain "derived" characteristics. In botany, these characteristics are specifically termed as synapomorphies. Gymnosperms are known as the ancestors of flowering plants that were known to exist 140 million years ago. With the passing ages, flowering plants evolved with modifications in various organs, like flowers, leaves, stems, endosperm, etc., soon after which angiosperms and gymnosperms were classified and placed in different positions in the plant kingdom.

Answer 2

┏─━─━─━─━∞◆∞━─━─━─━─┓
✭✮ӇЄƦЄ ƖƧ ƳƠƲƦ ƛƝƧƜЄƦ✮✭
┗─━─━─━─━∞◆∞━─━─━─━─┛

Subkingdom Phanerogamae➫ A division of plants comprising those having reproductive organs.

➧ It's Characteristics are:-▬▬▬▬▬▬▬▬▬▬▬▬⤵

◉ It contains plants that bears flowers & seeds.

◉ It possesses only vascular plants.

◉ True root system & leaves are present.

◉ Water is not required for fertilization.

◉ Multicellular sex organ are present.

◉ These are are Autotrophic.

➧ Subkingdom Phanerogamae is divided into Two Groups:-▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃⤵

❶❫ Gymnosperms:-▬▬▬▬▬▬▬▬▬▬☟

①❭ They do not produce flowers.

②❭ Seeds are naked.

③❭ Endoderm is haploid.

④❭ 0vules are not located in the 0vary.

⑤❭ Level of all evolution is primitive group of seed-bearing plant.

⑥❭ Xylem lacks vessels & Phloem lacks companion cell.

▶Ex:- Cycas & Pinus

❷❫ Angiosperms:-▬▬▬▬▬▬▬▬▬▬☟

①❭ They produce flower & seeds.

②❭ Seeds are enclosed by the fruit wall.

③❭ Endotherms is triploid.

④❭ 0vules are enclosed in the 0vary.

⑤❭ Level of evolution is highly evolved seed-bearing plant.

⑥❭ Xylem contains vessels & Phloem contains companion cell.

▶Ex:- Mustard Plant & Grasses

_________

Thanks...✊