Biology: Life on Earth |
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Page 409
... Vascular Plants Have Conducting Vessels That Also Provide Support Vascular plants are distinguished from bryophytes by specialized groups of conducting cells , called vessels , that are impregnated with the stiffening substance lignin ...
... Vascular Plants Have Conducting Vessels That Also Provide Support Vascular plants are distinguished from bryophytes by specialized groups of conducting cells , called vessels , that are impregnated with the stiffening substance lignin ...
Page 478
... vascular cylinder to move by osmosis through the living membranes of the endo- dermal cells ( Fig . 24-18 ) . The Vascular Cylinder Contains Conducting Tissues The vascular cylinder contains the conducting tissues of xylem and phloem ...
... vascular cylinder to move by osmosis through the living membranes of the endo- dermal cells ( Fig . 24-18 ) . The Vascular Cylinder Contains Conducting Tissues The vascular cylinder contains the conducting tissues of xylem and phloem ...
Page 479
... vascular cylinder Casparian strip Minerals are pumped into epidermal cells by active transport . Water follows by osmosis . FIGURE 24-19 Mineral and water uptake by roots Black arrow : Concentrated mineral so- lution follows a path ...
... vascular cylinder Casparian strip Minerals are pumped into epidermal cells by active transport . Water follows by osmosis . FIGURE 24-19 Mineral and water uptake by roots Black arrow : Concentrated mineral so- lution follows a path ...
Contents
Why Preserve Biodiversity? | 14 |
CASE STUDY REVISITED Life on Earthand Elsewhere? | 16 |
UNIT ONE THE LIFE OF A CELL | 19 |
Copyright | |
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allele amino acids animals antibodies atoms auxin bacteria blood cells body bonds bone brain called capillaries carbon cause cell division cell walls cellular cellular respiration Chapter chemical chromosomes color concentration contains cycle cytoplasm diffusion digestive diploid disease electron embryo endergonic reactions energy environment enzymes eukaryotic eukaryotic cells evolution evolutionary evolved example female fertilization FIGURE flowers fluid fossils function fungi gametes gametophyte gene genetic glands glucose haploid hormones human hydrogen immune infected intestine ions kidneys layer light-dependent reactions lungs male mammals Media Activity meiosis metabolism molecules mRNA muscle mutations natural selection nervous system neurons nucleotides nucleus nutrients occurs offspring organisms oxygen photosynthesis plants plasma membrane pollen population produce prokaryotic proteins protists reactions receptors release reproduction ribosomes root seed sexual species sperm spores stem stimulates strand structures sugar synthesize tion tissue transport tube types vascular vertebrates viruses X chromosome xylem