Image
from article Plant evolution
Two ancient tree leaf fossils embedded in stone. (Credit: Wong Hock Weng/123RF)
Search Results
Search Results
Refine this search
Search result paging links
1,355 results
Image
from article Plant growth
Illustrative representation of a plant, showing the key external anatomical structures involved with plant growth. (Copyright © McGraw-Hill Education)
Image
from article Plant growth
Light micrograph of a plant root tip (meristem) showing the growth of new cells. (Credit: Zoonar GmbH/Alamy Stock Photo)
Image
from article Plant growth
Graphs showing sigmoid growth curves. (a) Growth in height (cm) of a sunflower stem. (b) Growth of an entire corn plant as measured by an increase in dry weight (grams). (Copyright © McGraw-Hill Education)
Image
from article Plant growth
Schematic drawing of a plant showing the regions of cell division and cell elongation. (Copyright © McGraw-Hill Education)
Image
from article Plant growth
Schematic drawing of a plant with the interrelationships of some factors involved in growth and development. (Copyright © McGraw-Hill Education)
Image
from article Plant growth
The apex of a tomato plant showing the localization of PIN proteins as detected by fluorescence microscopy (arrows). Via the presence of the PIN proteins, auxin accumulates at the locations where leaf branching is occurring or about to occur in the…
Image
from article Plant growth
The regulation of flower initiation by photoperiod in the long-day plant, Arabidopsis. Under long days, CO (Constans) protein formation in the leaves induces the biosynthesis of FT (Flowering locus T) protein, which constitutes the floral signal,…
Image
from article Sisal
Sisal (Agave sisalana). (Photo courtesy of Peter Lapshin)
Image
from article Sundew
Spoonleaf sundew (Drosera intermedia). (Photo by Robert H. Mohlenbrock, U.S. Department of Agriculture–Natural Resources Conservation Service PLANTS Database)
