The little dots collected from under the fern leaves are spores, not seeds. Ferns are different from seed-bearing plants in that ferns in a sexless way through sporophyte generation. Spores dropped from or taken from grown fern leaves have developed prothallium. Each prothallium generates male and female organs in what is called the gametophyte stage. When fertilization of the female gametophyte happens, small fern plants or leaflets start to grow.
Fracking sites release a toxic stew of air pollution that includes chemicals that can cause deserve headaches, asthma symptoms, childhood leukemia, cardiac problems, and birth defects(it can also cause cancer). Fracking increases economic activity, employment, income and housing prices.
1. form on the surface 2. form below the Earth's crust 3. cool quickly 4. cool slowly 5. have large mineral crystals <span>6. have small mineral crystals
those are your choices right? if so then...
1, 3, 5 are your answers
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Answer:
Meristematic tissues, or simply meristems, are tissues in which the cells remain forever young and divide actively throughout the life of the plant. ... A plant has four kinds of meristems: the apical meristem and three kinds of lateral—vascular cambium, cork cambium, and intercalary meristem.
Explanation:
thier you go!
