Biology 2e is designed to cover the scope and sequence requirements of a …
Biology 2e is designed to cover the scope and sequence requirements of a typical two-semester biology course for science majors. The text provides comprehensive coverage of foundational research and core biology concepts through an evolutionary lens. Biology includes rich features that engage students in scientific inquiry, highlight careers in the biological sciences, and offer everyday applications. The book also includes various types of practice and homework questions that help students understand—and apply—key concepts. The 2nd edition has been revised to incorporate clearer, more current, and more dynamic explanations, while maintaining the same organization as the first edition. Art and illustrations have been substantially improved, and the textbook features additional assessments and related resources.
By the end of this section, you will be able to do …
By the end of this section, you will be able to do the following:
Discuss the challenges to plant life on land Describe the adaptations that allowed plants to colonize the land Describe the timeline of plant evolution and the impact of land plants on other living things
By the end of this section, you will be able to do …
By the end of this section, you will be able to do the following:
Explain that meiosis and sexual reproduction are highly evolved traits Identify variation among offspring as a potential evolutionary advantage of sexual reproduction Describe the three different life-cycle types among sexually reproducing multicellular organisms.
The life cycle of a plant is very different from the life …
The life cycle of a plant is very different from the life cycle of an animal. Humans are made entirely of diploid cells (cells with two sets of chromosomes). Our only cells that are haploid cells (cells with one set of chromosomes) are sperm and egg cells. Plants, however, can live when they are are at the stage of having haploid cells or diploid cells. Learn more about plant reproduction and life cycle in this learning module produced by CK-12.
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Seedless plants can reproduce asexually or sexually. Some seedless plants, like hornworts …
Seedless plants can reproduce asexually or sexually. Some seedless plants, like hornworts and liverworts, can reproduce asexually through fragmentation. When a small fragment of the plant is broken off, it can form a new plant. Learn more about reproduction in seedless plants in this learning module produced by CK-12.
A free CK-12 account is required to view all materials.
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