Biology Questions and Answers

Biology Questions and Answers How are the male gametes of gymnosperms formed? What is the relationship between the pollen grain ...

Biology Questions and Answers The fecundation in these plants is independent from water. gametophytes however are entirThe (^) e ...

Biology Questions and Answers Angiosperms What are angiosperms, the flowering plants? What is the main feature that distinguish ...

Biology Questions and Answers by water; entomophily, pollen carried by insects; ornitophily, pchiropterophily, pollen disseminat ...

Biology Questions and Answers What is the embryonic sac? Which are the cells that form the embryonic sac? What are their ploidi ...

Biology Questions and Answers A typical seed is composed of the embryo, seeds of angiospendosperm and shell. Withierms there are ...

Biology Questions and Answers have ovaries with only one egg inside. Fruits with mooriginated from plare than one seed arents wh ...

Biology Questions and Answers Plant Tissues How are the plant tissues classified according to their functions? Plant tissues(e ...

Biology Questions and Answers Lateral, or secondary, meristems, are the cambium known as cork cambium), tissues fand the phellog ...

Biology Questions and Answers superior and the inferior epidermis of the leaves. How are water, mineral salts and food (sugar) ...

Biology Questions and Answers What are vascular bundles? How does the configuration of the vascular bundles within the stem dif ...

Biology Questions and Answers (phelloderm, phellogen and cork) as in dicots and gymnosperms. The leaves are covered by epidermis ...

Biology Questions and Answers the growth of the root the meristem otherwise wfriction with the ould be injured by thesoil. What ...

Biology Questions and Answers Plant Physiology Why do plants need to exchange gases with the environment? Plants need to do ga ...

Biology Questions and Answers How do plants control the opening and the closing of the stomata? The opening and the closing os ...

Biology Questions and Answers loss of water by transpiration is thus reduced. Some plants ofalso have stomata within cavities. d ...

Biology Questions and Answers Are the xylem and the phloem made of living cells? The cells that constitute the xylem ducts are ...

Biology Questions and Answers (that is more external) but preserving the xylem (that is more internal). When a girdle like that ...

Biology Questions and Answers Where in plants is a large amount of IAA found? Auxins are produced and found in large amount in ...

Biology Questions and Answers gibberellins. Gibberellins are made in the apical buds and in young leaves. What are cytokinins? ...