The earliest vascular plants on land had underground stems (rhizomes) but no roots. Water and mineral nutrients were most likely obtained by _____
A) diffusion through stomata
B) absorption by mycorrhizae
C) osmosis through the root hairs
D) diffusion across the cuticle of the rhizome
B
Biology & Microbiology
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Oligotrophic organisms do NOT grow well under nutrient-replete conditions
Indicate whether the statement is true or false.
Biology & Microbiology
You would expect the bones of a growing child to have extremely active
a. osteoclasts. b. fibroblasts. c. osteoblasts. d. adipocytes. e. chondrocytes.
Biology & Microbiology
Mammals are thought to be living descendants of which lineage?
a. lepidosaurs b. anapsids c. archosaurs d. synapsids
Biology & Microbiology
Describe the structure of phospholipids, and state where they are found in cells
What will be an ideal response?
Biology & Microbiology