Why are seed producers the dominant plant today?
What will be an ideal response?
Answers may vary. Land plants are the dominant plant, and seed production allowed plants to further adapt to a terrestrial environment. Seeds have a coat and store food that allow them to survive harsh conditions during long periods of dormancy. When the environment is favorable for growth, seeds germinate, using the stored food as a nutrient source. Seed plants often have symbiotic relationships with pollinators that increase their chances of pollination as well as seed dispersal. Because of the survival value of seeds, seed plants are the dominant plants today.
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What is the definition of energy?
A. The amount of order in a system B. The capacity to do work C. The movement of an object D. Particles moving in waves through a system
____________________ molecules are responsible for the phenotype of an organism
Fill in the blank(s) with correct word
All of the following pertain to the fluorescence microscope except
A. it is used to diagnose certain infections. B. it requires the use of dyes like acridine or fluorescein. C. it is a type of compound microscope. D. it requires an ultraviolet radiation source. E. it uses electrons to produce a specimen image.
Systolic pressure is
a. the lowest blood pressure in the aorta. b. the pressure measured when the left ventricle is relaxed. c. the peak pressure in the aorta when the left ventricle contracts. d. the difference between the highest and lowest pressures. e. an average of high and low pressures.