WebThe major difference between angiosperms and gymnosperms comes from the _____. presence or absence of a protective covering over the ovule. Angiosperms are different from all other plants because only they have _____. flowers. Unlike most angiosperms, grasses are pollinated by wind. As a consequence, some unnecessary parts of grass flowers … Web1st: Non-vascular plants (ex: moss): first evolved 470 mya •The first plants onto land. • preceded the first animals onto land (animals had to have something to eat 2nd: Seedless vascular plants (ex ferns) first evolved 425 mya 3rd: Seed vascular plants that are Gymnosperms (ex pine) first evolved: 360 mya 4th: Seed Vascular plants that are ...

Chapter 28 Flashcards Quizlet

Web"Gymnosperm" means naked seed. Alternation of generations is still involved in the reproduction of these plants. They are all heterosporous: the microspores are shed as pollen, whereas the megaspore germinates in … WebGymnosperms belong to kingdom ‘Plantae ‘ and sub-kingdom ‘Embryophyta’. The fossil evidence suggested that they originated during the Paleozoic era, about 390 million years ago. Basically, … the empire fargo

26.2: Gymnosperms - Biology LibreTexts

WebGymnosperm reproduction differs from that of angiosperms in several ways (Figure 32.11). In angiosperms, the female gametophyte exists in an enclosed structure—the … WebStudy with Quizlet and memorize flashcards containing terms like When you look at a pine or maple tree, the plant you see is a _____. A)haploid sporophyte B)triploid endosperm C)diploid sporophyte D)haploid gametophyte E)diploid gametophyte, All seed plants _____. A)are nonvascular B)produce antheridia and archegonia on the same gametophyte … the empire exhibition