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More Biology Questions
According to the theory of abiogenesis, the coacervates turned into the first primitive living systems called
Ascent of sap in plants takes place through
Fertilization, in lower plants, is immediately followed by which of the following types of meiosis, giving rise to cells with the haploid chromosome number?
Consider the following statements and choose the correct answer: 1. The carbon, nitrogen and various cycles in nature operate to conserve the limited amount of usable matter on the earth 2. The flow of energy is both cyclic and one-way 3. The transfer of energy through a biological community begins when the energy of sunlight is fixed in a green plant by photosynthesis 4. It is estimated that only 8 percent of the energy of the sun reaching the planet strikes green plants and that only 2 percent of this is utilized in photosynthesis
Archaeopteryx' is a connecting link between which of the following classes of animal?