What aromorphoses ensured the emergence and spread of the following groups of organisms?
| May 26, 2020 | Education
Flowering plants: flower, double fertilization, fruit.
Reptiles: internal fertilization emergence of germinal membranes, keratinization of the skin, incomplete septum in the heart.
Vertebrates: the appearance of the spine.
Mammals: four-chambered heart, loss of the right aortic arch, warm-bloodedness, feeding the young with milk, diaphragm, hair.
Insects: trachea, a variety of oral apparatus, chitinous cover, articulated limbs, wings.
Birds: four-chambered heart, warm-bloodedness, care for posterity.
Amphibians: five-fingered limbs; lungs; 3-chamber heart and two circles of blood circulation; middle ear
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