Organisms that live at very low temperature the generally referred to as
A. Halophiles
B. Thermophiles
C. Mesophiles
D. Psychrophiles
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Which of the following groups would contain the largest number of organisms?
a. class b. order c. phylum d. family
Legumes, such as beans or peas
A) form mutualistic associations with nitrogen-fixing bacteria. B) form mycorrhizal associations to increase nitrogen fixation in the soil. C) form parasitic relationships with other photosynthetic plants. D) fix N2 from the atmosphere in their leaves.
The specialized membrane proteins that actively transport sodium and potassium ions across the plasma membrane are known as the ________
A) sodium-potassium pump B) sodium pump C) sodium-chloride pump D) sodium-manganese pump
Which of the following is the correct sequence for the germination of the eudicot seed?
Select one: a. The two cotyledons have absorbed the endosperm and supply the nutrients to the embryo. As the embryo emerges, from the soil it consumes the nutrients and develops the shoot. The hypocotyl becomes part of the stem and the radicle develops into the roots. b. The cotyledon was absorbed by the endosperm and supplies the nutrients to the embryo. As the embryo emerges from the soil, it consumes the nutrients and develops the shoot. The hypocotyl becomes part of the stem and the radicle develops into the roots. c. The two cotyledons have absorbed the endosperm and supply the nutrients to the embryo. As the embryo emerges from the soil, it consumes the nutrients and develops the shoot. The radicle becomes part of the stem and the hypocotyl develops into the roots. d. The pericarp has absorbed the endosperm and supplies the nutrients to the embryo. As the embryo emerges from the soil, it consumes the nutrients and develops the shoot. The hypocotyl becomes part of the stem and the radicle develops into the roots. e. The two cotyledons have absorbed the endosperm and supply the nutrients to the embryo. As the embryo emerges from the soil, it consumes the nutrients and develops the shoot. The plumule and the radicle push through the coleorhiza during germination.