Multicellular algae come in different shapes
What will be an ideal response?
- Spirogyra forms long multicellular filaments.
-Volvox forms colonies of cells.
-Ulva forms large sheets of cells in two layers.
-Cymopolia forms calcified stalks of cells.
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The critical tissue for producing a vasodilatory effect of acetylcholine in Robert Furchgott's experiments with rabbit aortas was the
A. endothelium. B. smooth muscle layer. C. elastic outer layer. D. pericardium. E. one-way valves.
What mechanism is one that prevents fertilization due to reproductive times?
a. Behavioral isolation b. Anatomical isolation c. Habitat isolation d. Temporal isolation
Identify the character change in the following data.
Species A: AUGGGCGTCC Species B: AUGGGCGTCC Species C: AUGGGCGTCC Outgroup: AUGGGCTTCC A. G7T B. GT7 C. T7G D. TG7
Match the microscope part with it's function.
Condenser A) Focus light onto the specimen B) Control the amount of light reaching the specimen C) Brings the specimen into general focus D) Increases the detail of the image